SECTION 1. IDENTIFICATION
Product Name: Magnesium Hexafluorosilicate
Product Number: All applicable American Elements product codes, e.g. MG-FSIAT6-02
CAS #: 16949-65-8
Relevant identified uses of the substance: Scientific research and development
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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
Statement of Hazard: Contact with acids liberates very toxic gas, Irritant, Respiratory irritant,
Acute Health Hazard: Irritant to eyes, skin, mucous membranes and respiratory system.
May be toxic by ingestion, harmful by skin absorption, and fatal by
Chronic Health Hazard: Not Available
HMIS Rating: H: 3 F: 0 P: 0
NFPA Rating: H: 3 F: 0 P: 0
To the best of our knowledge, the toxicological properties of this chemical have not been
thoroughly investigated. Use appropriate procedures and precautions to prevent or minimize
Signal Word: Danger
Hazard Statement(s): H301 Toxic if swallowed.
H312 Harmful in contact with skin.
H315 Causes skin irritation.
H319 Causes serious eye irritation.
H330 Fatal if inhaled.
H335 May cause respiratory irritation.
Precautionary Statement(s): P261 Avoid breathing dust/fume/gas/mist/vapors/spray.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face
P284 Wear respiratory protection.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a
position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several
minutes. Remove contact lenses, if present and easy to do. Continue
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P403+P233 Store in a well-ventilated place. Keep container tightly
P406 Store in corrosive resistant/ [ ] container with a resistant
P420 Store away from other materials.
Supplemental Statement(s): EUH032 Contact with acids liberates very toxic gas
SECTION 3. COMPOSITION/INFORMATION ON INGREDIENTS
Chemical Name: Magnesium silicofluoride 98%
Beilstein Registry Number:
Content: As specified in product name.
MgSiF6 . 6H2O
SECTION 4. FIRST AID MEASURES
Eye Contact: Flush eyes with large amounts of water for fifteen minutes. Separate
eyelids with fingers. If irritation persists, seek medical attention.
Skin Contact: Wash skin with soap and water. If irritation persists, seek medical
Ingestion: Do not induce vomiting. Seek medical attention.
Inhalation: Move to a fresh air environment. Contact a physician if breathing
SECTION 5. FIREFIGHTING MEASURES
Flash Point (ºC):
Carbon dioxide, dry chemical powder, alcohol-resistant foam, or water
Wear self-contained respirator and fully protective impervious suit.
May emit hazardous fumes under fire conditions.
SECTION 6. ACCIDENTAL RELEASE MEASURES
Personal Protection: Wear a self-contained breathing apparatus, rubber boots and gloves,
and disposable coveralls. Dispose of coveralls after use. Remove from
ignition sources if safe to do so. Follow emergency response plan and
contact proper authorities if needed.
Keep unprotected persons away.
Environmental Protection: Keep spills out of sewers and bodies of water. Dike and contain the
spill with inert material. Absorb on sand, vermiculite or diatomite.
Transfer material to a container for disposal or recovery. Ventilate area
and wash spill site after material pickup is complete.
SECTION 7. HANDLING AND STORAGE
Handling and Storage: Avoid breathing dust, vapor, mist or gas. Avoid contact with skin and
eyes. Avoid prolonged or repeated exposure. Use only in a chemical
fume hood. Open and handle container with care. Keep ignition sources
Store in a tightly closed container in a dry, well-ventilated place.
Sensitivities: Not Available
Storage Temperature (ºC):
15 to 30
SECTION 8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Engineering Controls: Use product in a well ventilated area or under a fume hood. Use proper
lab equipment while handling this product. Keep away from
incompatible materials for possible risk of hazardous reaction.
Eye Protection: Wear appropriate protective eyeglass or chemical safety goggles. Make
sure that there is an eyewash station in your vicinity.
Skin Protection: Wear impervious gloves and protective clothing.
Respiratory Protection: Use a NIOSH approved respirator when exposure limits are exceeded or
if irritation or other symptoms are experienced.
Exposure Limits: Country Source Type Value
SECTION 9. PHYSICAL AND CHEMICAL PROPERTIES
Appearance: White crystalline powder
Odor: Not Available
Odor Threshold: Not Available
Flash Point (ºC): Not Available
Autoignition (ºC): Not Available
UEL % by Volume:
LEL % by Volume:
Melting Point (ºC): 120
Boiling Point (ºC): 212
Evaporation Rate: Not Available
pH Value: Not Available
Density (g/cm3): 1.788
Refractive Index (n²ºD): Not Available
Viscosity: Not Available
Solubility in Water: Soluble
Solubility in Other: Not Available
Vapor Pressure (mmHg): Not Available
Vapor Density (Air=1): Not Available
SECTION 10. STABILITY AND REACTIVITY
Stability: Stable under normal temperatures and pressures.
Incompatibility: Strong oxidizing agents, Acids, Strong reducing agents
Reactivity: Product may react with incompatible materials to release other
Conditions to Avoid: Heat, flame, sparks, other ignition sources.
Hazardous Decomposition Products:
Hydrogen fluoride gas, Magnesium oxides, Silicon oxides
SECTION 11. TOXICOLOGICAL INFORMATION
Target Organs: Not Available
Toxicity Data: Not Available
National Toxicology Program (NTP) listed:
International Agency for Research on Cancer (IARC) listed:
Potential Symptoms: Not Available
SECTION 12. ECOLOGICAL INFORMATION
Toxicity: Not Available
SECTION 13. DISPOSAL CONSIDERATIONS
Contact a licensed professional waste disposal service. Dispose in a manner consistent with
federal, state and local environmental regulations.
SECTION 14. TRANSPORT INFORMATION
DOT Shipping Name: Magnesium Fluorosilicate
DOT UN Number: UN2853
DOT Hazard Class: Class 6.1
DOT Packing Group: PGIII
IMDG: Magnesium Fluorosilicate
IMDG UN Number: UN2853
IMDG Hazard Class: Class 6.1
IMDG Packing Group: PGIII
Marine Pollutant: No
IATA: Magnesium Fluorosilicate
IATA UN Number: UN2853
IATA Hazard Class: Class 6.1
IATA Packing Group: PGIII
SECTION 15. REGULATORY INFORMATION
Superfund Amendments and Reauthorization Act (SARA 313) listed: No
European Inventory of Existing Chemical Substances (EINECS): 241-022-2
Canadian Non-Domestic Substances List (NDSL) listed: No
Toxic Substance Control Act (TSCA) listed: Yes
Superfund Amendments and Reauthorization Act (SARA 302) listed: No
Superfund Amendments and Reauthorization Act (SARA 311/312) listed: No
Canadian Domestic Substances List (DSL) listed: Yes
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 1997-2022 AMERICAN ELEMENTS. LICENSED GRANTED TO MAKE UNLIMITED PAPER COPIES FOR INTERNAL USE ONLY.