20th anniversary seal20th anniversary seal20th anniversary seal

Sodium Arsenate Dibasic Heptahydrate

CAS #:

Linear Formula:

Na2HAsO4 • 7H2O

MDL Number:

MFCD00149179

EC No.:

231-547-5

ORDER

PRODUCT Product Code ORDER SAFETY DATA TECHNICAL DATA
(2N) 99% Sodium Arsenate Dibasic Heptahydrate
NA-ASODB-02-C.7HYD
Pricing > SDS > Data Sheet >
(3N) 99.9% Sodium Arsenate Dibasic Heptahydrate
NA-ASODB-03-C.7HYD
Pricing > SDS > Data Sheet >
(4N) 99.99% Sodium Arsenate Dibasic Heptahydrate
NA-ASODB-04-C.7HYD
Pricing > SDS > Data Sheet >
(5N) 99.999% Sodium Arsenate Dibasic Heptahydrate
NA-ASODB-05-C.7HYD
Pricing > SDS > Data Sheet >

Sodium Arsenate Dibasic Heptahydrate Properties (Theoretical)

Compound Formula H15AsNa2O11
Molecular Weight 312.01
Appearance Colorless crystalline powder
Melting Point 130 °C
Boiling Point N/A
Density 1.87
Solubility in H2O N/A
Exact Mass 311.962571
Monoisotopic Mass 311.962571

Sodium Arsenate Dibasic Heptahydrate Health & Safety Information

Signal Word Danger
Hazard Statements H301-H331-H350-H410
Hazard Codes T,N
Risk Codes 45-23/25-50/53
Safety Statements 53-45-60-61
RTECS Number CG0900000
Transport Information UN 1685 6.1/PG 2
WGK Germany 3
GHS Pictograms

View and Print SDS

SAFETY DATA SHEET

Date Accessed: 10/17/2019
Date Revised: 05/15/2015

SECTION 1. IDENTIFICATION

Product Name: Sodium Arsenate Dibasic Heptahydrate

Product Number: All applicable American Elements product codes, e.g. NA-ASODB-02-C.7HYD 02 , NA-ASODB-03-C.7HYD 03 , NA-ASODB-04-C.7HYD 04 , NA-ASODB-05-C.7HYD 05

CAS #: 10048-95-0

Relevant identified uses of the substance: Scientific research and development

Supplier details:
American Elements
10884 Weyburn Ave.
Los Angeles, CA 90024
Tel: +1 310-208-0551
Fax: +1 310-208-0351

Emergency telephone number:
Domestic, North America: +1 800-424-9300
International: +1 703-527-3887


SECTION 2. HAZARDS IDENTIFICATION

2.1 Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
Acute toxicity, Oral (Category 3), H301
Acute toxicity, Inhalation (Category 3), H331
Carcinogenicity (Category 1B), H350
Acute aquatic toxicity (Category 1), H400
Chronic aquatic toxicity (Category 1), H410

2.2 GHS Label elements, including precautionary statements
Pictogram

Skull and Crossbones - GHS06 Health Hazard - GHS08 Environment - GHS09

Signal word Danger
Hazard statement(s)
H301 + H331 Toxic if swallowed or if inhaled
H350 May cause cancer.
H410 Very toxic to aquatic life with long lasting effects.
Precautionary statement(s)
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and
understood.
P261 Avoid breathing dust/ fume/ gas/ mist/ Vapors/ spray.
P264 Wash skin thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.
P281 Use personal protective equipment as required.
P301 + P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/
physician.
P304 + P340 IF INHALED: Remove victim to fresh air and keep at rest in a position
comfortable for breathing.
P308 + P313 IF exposed or concerned: Get medical advice/ attention.
P321 Specific treatment (see supplemental first aid instructions on this label).
P330 Rinse mouth.
P391 Collect spillage.
P403 + P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
P501 Dispose of contents/ container to an approved waste disposal plant.
2.3 Hazards not otherwise classified (HNOC) or not covered by GHS - none


SECTION 3. COMPOSITION/INFORMATION ON INGREDIENTS

3.1 Substances
Synonyms : Sodium hydrogenarsenate heptahydrate
Disodium hydrogen arsenate heptahydrate
Formula : HAsNa2O4 7H2O
Molecular weight : 312.01 g/mol
CAS-No. : 10048-95-0
Index-No. : 033-005-00-1
Hazardous components
Component Classification Concentration
Sodium arsenate dibasic heptahydrate
Acute Tox. 3; Carc. 1B;
Aquatic Acute 1; Aquatic
Chronic 1; H301 + H331,
H350, H410
<= 100 %


SECTION 4. FIRST AID MEASURES

4.1 Description of first aid measures
General advice
Consult a physician. Show this safety data sheet to the doctor in attendance.Move out of dangerous area.
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
In case of skin contact
Wash off with soap and plenty of water. Take victim immediately to hospital. Consult a physician.
In case of eye contact
Flush eyes with water as a precaution.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
4.2 Most important symptoms and effects, both acute and delayed
The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in section 11
4.3 Indication of any immediate medical attention and special treatment needed
No data available


SECTION 5. FIREFIGHTING MEASURES

5.1 Extinguishing media
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
5.2 Special hazards arising from the substance or mixture
Sodium oxides, Arsenic oxides
5.3 Advice for firefighters
Wear self-contained breathing apparatus for firefighting if necessary.
5.4 Further information
No data available


SECTION 6. ACCIDENTAL RELEASE MEASURES

6.1 Personal precautions, protective equipment and emergency procedures
Wear respiratory protection. Avoid dust formation. Avoid breathing Vapors, mist or gas. Ensure adequate ventilation.
Evacuate personnel to safe areas. Avoid breathing dust.
For personal protection see section 8.
6.2 Environmental precautions
Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment
must be avoided.
6.3 Methods and materials for containment and cleaning up
Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed containers for
disposal.
6.4 Reference to other sections
For disposal see section 13.


SECTION 7. HANDLING AND STORAGE

7.1 Precautions for safe handling
Avoid contact with skin and eyes. Avoid formation of dust and aerosols.
Provide appropriate exhaust ventilation at places where dust is formed.Normal measures for preventive fire protection.
For precautions see section 2.2.
7.2 Conditions for safe storage, including any incompatibilities
Keep container tightly closed in a dry and well-ventilated place.
7.3 Specific end use(s)
Apart from the uses mentioned in section 1.2 no other specific uses are stipulated


SECTION 8. EXPOSURE CONTROLS/PERSONAL PROTECTION

8.1 Control parameters
Components with workplace control parameters
Component CAS-No. Value Control
parameters
Basis
Sodium arsenate
dibasic heptahydrate
10048-95-0 TWA 0.010000
mg/m3
USA. Occupational Exposure Limits
(OSHA) - Table Z-1 Limits for Air
Contaminants
Remarks Substance listed; for more information see OSHA document
1910.1018
TWA 0.010000
mg/m3
USA. ACGIH Threshold Limit Values
(TLV)
Lung cancer
Substances for which there is a Biological Exposure Index or Indices
(see BEI® section)
Confirmed human carcinogen
varies
PEL 0.010000
mg/m3
OSHA Specifically Regulated
Chemicals/Carcinogens
1910.1018
This section applies to all occupational exposures to inorganic
arsenic except that this section does not apply to employee
exposures in agriculture or resulting from pesticide application, the
treatment of wood with preservatives or the utilization of arsenically
preserved wood.
OSHA specifically regulated carcinogen
C 0.002000
mg/m3
USA. NIOSH Recommended
Exposure Limits
Potential Occupational Carcinogen
OSHA considers 'Inorganic Arsenic' to mean copper acetoarsenite &
all inorganic compounds containing arsenic except ARSINE.
See Appendix A
15 minute ceiling value
Substance listed; for more information see OSHA document
1910.1018
TWA 0.01 mg/m3 USA. ACGIH Threshold Limit Values
(TLV)
Lung cancer
Substances for which there is a Biological Exposure Index or Indices
(see BEI® section)
Confirmed human carcinogen
varies
PEL 0.01 mg/m3 OSHA Specifically Regulated
Chemicals/Carcinogens
1910.1018
This section applies to all occupational exposures to inorganic
arsenic except that this section does not apply to employee
exposures in agriculture or resulting from pesticide application, the
treatment of wood with preservatives or the utilization of arsenically
preserved wood.
OSHA specifically regulated carcinogen
C 0.002 mg/m3 USA. NIOSH Recommended
Exposure Limits
Potential Occupational Carcinogen
OSHA considers 'Inorganic Arsenic' to mean copper acetoarsenite &
all inorganic compounds containing arsenic except ARSINE.
See Appendix A
15 minute ceiling value
Biological occupational exposure limits
Component CAS-No. Parameters Value Biological
specimen
Basis
Sodium arsenate
dibasic
heptahydrate
10048-95-0 inorganic
arsenic plus
methylated
metabolites
35μg As/l Urine ACGIH - Biological
Exposure Indices
(BEI)
Remarks End of the workweek (After four or five consecutive working days
with exposure)
8.2 Exposure controls
Appropriate engineering controls
Avoid contact with skin, eyes and clothing. Wash hands before breaks and immediately after handling the product.
Personal protective equipment
Eye/face protection
Face shield and safety glasses Use equipment for eye protection tested and approved under appropriate
government standards such as NIOSH (US) or EN 166(EU).
Skin protection
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without
touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after
use in accordance with applicable laws and good laboratory practices. Wash and dry hands.
If used in solution, or mixed with other substances, and under conditions which differ from EN 374, contact the
supplier of the CE approved gloves. This recommendation is advisory only and must be evaluated by an
industrial hygienist and safety officer familiar with the specific situation of anticipated use by our customers. It
should not be construed as offering an approval for any specific use scenario.
Body Protection
Complete suit protecting against chemicals, The type of protective equipment must be selected according to
the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection
Where risk assessment shows air-purifying respirators are appropriate use a full-face particle respirator type
N100 (US) or type P3 (EN 143) respirator cartridges as a backup to engineering controls. If the respirator is the
sole means of protection, use a full-face supplied air respirator. Use respirators and components tested and
approved under appropriate government standards such as NIOSH (US) or CEN (EU).
Control of environmental exposure
Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the
environment must be avoided.


SECTION 9. PHYSICAL AND CHEMICAL PROPERTIES

9.1 Information on basic physical and chemical properties
a) Appearance Form: crystalline
Colour: white
b) Odor No data available
c) Odor Threshold No data available
d) pH 8.5 - 9.0 at 50 g/l at 25 °C (77 °F)
e) Melting point/freezing point
Melting point/range: 180 °C (356 °F) - dec.
f) Initial boiling point and boiling range No data available
g) Flash point N/A
h) Evaporation rate No data available
i) Flammability (solid, gas) No data available
j) Upper/lower flammability or explosive limits No data available
k) Vapor pressure No data available
l) Vapor density No data available
m) Relative density 1.880 g/cm3
n) Water solubility No data available
o) Partition coefficient: noctanol/water No data available
p) Auto-ignition temperature No data available
q) Decomposition temperature No data available
r) Viscosity No data available
s) Explosive properties No data available
t) Oxidizing properties No data available
9.2 Other safety information
No data available


SECTION 10. STABILITY AND REACTIVITY

10.1 Reactivity
No data available
10.2 Chemical stability
Stable under recommended storage conditions.
10.3 Possibility of hazardous reactions
No data available
10.4 Conditions to avoid
No data available
10.5 Incompatible materials
Strong oxidizing agents, Strong acids
10.6 Hazardous decomposition products
Other decomposition products - No data available
In the event of fire: see section 5


SECTION 11. TOXICOLOGICAL INFORMATION

11.1 Information on toxicological effects
Acute toxicity
No data available
Inhalation: No data available
Dermal: No data available
LD50 Intramuscular - Mouse - 87.36 mg/kg
LD50 Intramuscular - Mouse - 87.36 mg/kg
Skin corrosion/irritation
No data available
Serious eye damage/eye irritation
No data available
Respiratory or skin sensitisation
No data available
Germ cell mutagenicity
Laboratory experiments have shown mutagenic effects.
Carcinogenicity
This is or contains a component that has been reported to be carcinogenic based on its IARC, OSHA, ACGIH, NTP, or
EPA classification.
Possible human carcinogen
IARC: 1 - Group 1: Carcinogenic to humans (Sodium arsenate dibasic heptahydrate)
1 - Group 1: Carcinogenic to humans (Sodium arsenate dibasic heptahydrate)
NTP: Known to be human carcinogen (Sodium arsenate dibasic heptahydrate)
Known to be human carcinogen (Sodium arsenate dibasic heptahydrate)
OSHA: 1910.1018 (Sodium arsenate dibasic heptahydrate)
OSHA specifically regulated carcinogen (Sodium arsenate dibasic heptahydrate)
Reproductive toxicity
No data available
No data available
Specific target organ toxicity - single exposure
No data available
Specific target organ toxicity - repeated exposure
No data available
Aspiration hazard
No data available
Additional Information
RTECS: CG0900000
burning, dry nose, dry mouth, Muscle cramps/spasms., Nausea, Vomiting, Diarrhoea, Shock., death, May cause
irritation of the:, Gastrointestinal tract
Stomach - Irregularities - Based on Human Evidence
Stomach - Irregularities - Based on Human Evidence


SECTION 12. ECOLOGICAL INFORMATION

12.1 Toxicity
No data available
12.2 Persistence and degradability
No data available
12.3 Bioaccumulative potential
No data available
12.4 Mobility in soil
No data available
12.5 Results of PBT and vPvB assessment
PBT/vPvB assessment not available as chemical safety assessment not required/not conducted
12.6 Other adverse effects
An environmental hazard cannot be excluded in the event of unprofessional handling or disposal.
Very toxic to aquatic life with long lasting effects.


SECTION 13. DISPOSAL CONSIDERATIONS

13.1 Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed professional waste
disposal service to dispose of this material. Dissolve or mix the material with a combustible solvent and burn in a
chemical incinerator equipped with an afterburner and scrubber.
Contaminated packaging
Dispose of as unused product.


SECTION 14. TRANSPORT INFORMATION

DOT (US)
UN number: 1685 Class: 6.1 Packing group: II
Proper shipping name: Sodium arsenate
Poison Inhalation Hazard: No
IMDG
UN number: 1685 Class: 6.1 Packing group: II EMS-No: F-A, S-A
Proper shipping name: SODIUM ARSENATE
Marine pollutant:yes
IATA
UN number: 1685 Class: 6.1 Packing group: II
Proper shipping name: Sodium arsenate


SECTION 15. REGULATORY INFORMATION

SARA 302 Components
No chemicals in this material are subject to the reporting requirements of SARA Title III, Section 302.
SARA 313 Components
The following components are subject to reporting levels established by SARA Title III, Section 313:
Sodium arsenate dibasic heptahydrate
CAS-No.
10048-95-0
Revision Date
1987-01-01
SARA 311/312 Hazards
Acute Health Hazard, Chronic Health Hazard
Massachusetts Right To Know Components
No components are subject to the Massachusetts Right to Know Act.
Pennsylvania Right To Know Components
Sodium arsenate dibasic heptahydrate
CAS-No.
10048-95-0
Revision Date
1987-01-01
New Jersey Right To Know Components
Sodium arsenate dibasic heptahydrate
CAS-No.
10048-95-0
Revision Date
1987-01-01
California Prop. 65 Components
WARNING! This product contains a chemical known to the
State of California to cause cancer.
Sodium arsenate dibasic heptahydrate
CAS-No.
10048-95-0
Revision Date
1987-02-27


SECTION 16. OTHER INFORMATION

Safety Data Sheet according to Regulation (EC) No. 1907/2006 (REACH). The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. American Elements shall not be held liable for any damage resulting from handling or from contact with the above product. See reverse side of invoice or packing slip for additional terms and conditions of sale. COPYRIGHT 1997-2018 AMERICAN ELEMENTS. LICENSED GRANTED TO MAKE UNLIMITED PAPER COPIES FOR INTERNAL USE ONLY.

About Sodium Arsenate Dibasic Heptahydrate

Sodium Arsenate Dibasic Heptahydrate is generally immediately available in most volumes. Hydrate or anhydrous forms may be purchased. High purity, submicron and nanopowder forms may be considered. Arsenate compounds contain the arsenate ion, AsO43-, and are moderately oxidizing salts or esters of arsenic acid that are typically very toxic. Arsenates are used in some wood preservatives, finishing agents, and as reagents in various chemical reactions. Researchers from the University of Southampton and the University of Bath combined barium hydroxide and arsenate to create a novel lightweight, structurally complex set of anoporous zeotype structures that may be beneficial for hydrogen storage and other industrial applications that require nanoporous materials. American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information is available as is a Reference Calculator for converting relevant units of measurement.

Sodium Arsenate Dibasic Heptahydrate Synonyms

Disodium hydrogen arsenate heptahydrate; di-Sodium hydrogen arsenate heptahydrate; Arsenic acid disodium salt heptahydrate; Dibasic sodium arsenate heptahydrate; Sodium hydrogen arsenate hydrate (2:1:7)

Chemical Identifiers

Linear Formula Na2HAsO4 • 7H2O
MDL Number MFCD00149179
EC No. 231-547-5
Beilstein Registry No. N/A
Pubchem CID 61460
IUPAC Name disodium; hydrogen arsorate; heptahydrate
SMILES [Na+].[Na+].[O-][As]([O-])(=O)O.O.O.O.O.O.O.O
InchI Identifier InChI=1S/AsH3O4.2Na.7H2O/c2-1(3,4)5;;;;;;;;;/h(H3,2,3,4,5);;;7*1H2/q;2*+1;;;;;;;/p-2
InchI Key KOLXPEJIBITWIQ-UHFFFAOYSA-L

Packaging Specifications

Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Safety Data Sheet (SDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes, and 36,000 lb. tanker trucks.

Related Elements

Sodium Bohr ModelSee more Sodium products. Sodium (atomic symbol: Na, atomic number: 11) is a Block D, Group 5, Period 4 element with an atomic weight of 22.989769. The number of electrons in each of Sodium's shells is [2, 8, 1] and its electron configuration is [Ne] 3s1.The sodium atom has a radius of 185.8 pm and a Van der Waals radius of 227 pm. Sodium was discovered and first isolated by Sir Humphrey Davy in 1807. In its elemental form, sodium has a silvery-white metallic appearance. It is the sixth most abundant element, making up 2.6 % of the earth's crust. Sodium does not occur in nature as a free element and must be extracted from its compounds (e.g., feldspars, sodalite, and rock salt). The name Sodium is thought to come from the Arabic word suda, meaning "headache" (due to sodium carbonate's headache-alleviating properties), and its elemental symbol Na comes from natrium, its Latin name.

See more Arsenic products. Arsenic (atomic symbol: As, atomic number: 33) is a Block P, Group 15, Period 4 element with an atomic radius of 74.92160. Arsenic Bohr ModelThe number of electrons in each of arsenic's shells is 2, 8, 18, 5 and its electron configuration is [Ar] 3d10 4s2 4p3. The arsenic atom has a radius of 119 pm and a Van der Waals radius of 185 pm. Arsenic was discovered in the early Bronze Age, circa 2500 BC. It was first isolated by Albertus Magnus in 1250 AD. In its elemental form, arsenic is a metallic grey, brittle, crystalline, semimetallic solid. Elemental ArsenicArsenic is found in numerous minerals including arsenolite (As2O3), arsenopyrite (FeAsS), loellingite (FeAs2), orpiment (As2S3), and realgar (As4S4). Arsenic has numerous applications as a semiconductor and other electronic applications as indium arsenide, silicon arsenide and tin arsenide. Arsenic is finding increasing uses as a doping agent in solid-state devices such as transistors.

TODAY'S SCIENCE POST!

October 17, 2019
Los Angeles, CA
Each business day American Elements' scientists & engineers post their choice for the most exciting materials science news of the day

Synthetic cells make long-distance calls