CAS #:

Linear Formula:


MDL Number:


EC No.:



(2N) 99% Arsenic Trifluoride
Pricing > SDS > Data Sheet >
(3N) 99.9% Arsenic Trifluoride
Pricing > SDS > Data Sheet >
(4N) 99.99% Arsenic Trifluoride
Pricing > SDS > Data Sheet >
(5N) 99.999% Arsenic Trifluoride
Pricing > SDS > Data Sheet >

Arsenic Trifluoride Properties (Theoretical)

Compound Formula F3As
Molecular Weight 131.917
Appearance Colorless liquid
Melting Point -8.5 °C
Boiling Point 63 °C (760 mmHg)
Density 2.67 g/mL
Solubility in H2O Decomposes
Exact Mass 131.916804 g/mol
Monoisotopic Mass 131.916804 g/mol

Arsenic Trifluoride Health & Safety Information

Signal Word Danger
Hazard Statements H300+H330-H312-H318-H335-H410
Hazard Codes C, T+, N
Precautionary Statements P260-P264-P270-P271-P273-P280-P284-P301+P310-P301+P330+P331-P302+P352-P303+P361+P353-P304+P340-P305+P351+P338-P310-P320-P321-P330-P362+P364-P363-P391-P403+P233-P405-P501
Risk Codes R23/24/25,R50/53
Safety Statements S20/21,S28,S36/37,S38,S45,S60,S61
RTECS Number CG5775000
Transport Information UN 3390 6.1(8) - PG I
GHS Pictograms

About Arsenic Trifluoride

American Elements manufactures Arsenic Trifluoride in both research and bulk quantities. American Elements produces materials to many standard grades when applicable including Mil Spec (military grade), ACS, Reagent and Technical Grades; Food, Agricultural and Pharmaceutical Grades, Optical, Semiconductor, and Electronics Grades, and follows applicable USP, EP/BP, and ASTM testing standards. Most materials can be produced in high and ultra high purity forms (99%, 99.9%, 99.99%, 99.999%, and higher). Standard and custom packaging is available. Additional technical, research and safety (SDS) information is available. Please request a quote above to receive pricing information based on your specifications.

Arsenic Trifluoride Synonyms

Arsenic(III) fluoride, Arsenic(3+) trifluoride, Arsenous trifluoride, Trifluoroarsine, Trifluoroarsane, UNII-R4I21S44T9

Chemical Identifiers

Linear Formula AsF3
MDL Number MFCD00014169
EC No. 232-060-0
Pubchem CID 24571
IUPAC Name trifluoroarsane
InchI Identifier InChI=1S/AsF3/c2-1(3)4

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


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.


Fluorine is a Block P, Group 17, Period 2 element. Its electron configuration is [He]2s22p5. The fluorine atom has a covalent radius of 64 pm and its Van der Waals radius is 135 pm. In its elemental form, CAS 7782-41-4, fluorine gas has a pale yellow appearance. Fluorine was discovered by André-Marie Ampère in 1810. It was first isolated by Henri Moissan in 1886.


December 01, 2022
Los Angeles, CA
Each business day American Elements' scientists & engineers post their choice for the most exciting materials science news of the day
New technology maps movement of microscopic algae in unprecedented detail

New technology maps movement of microscopic algae in unprecedented detail