Aluminium fluoride

Aluminium fluoride

Anhydrous AlF3
Names
Other names
Aluminium(III) fluoride
Aluminum trifluoride
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.029.137 Edit this at Wikidata
RTECS number
  • BD0725000
UNII
  • InChI=1S/Al.3FH/h;3*1H/q+3;;;/p-3 checkY
    Key: KLZUFWVZNOTSEM-UHFFFAOYSA-K checkY
  • InChI=1/Al.3FH/h;3*1H/q+3;;;/p-3
    Key: KLZUFWVZNOTSEM-DFZHHIFOAC
  • monomer: F[Al](F)F
  • crystal form: F[Al](F[Al]0(F)(F)(F)F)(F[Al]1(F)(F)(F)F)(F[Al]2(F)(F)(F)F)(F[Al]3(F)(F)(F)F)F[Al](F[Al](F[Al]4(F)(F)(F)F)(F[Al]5(F)(F)(F)F)(F[Al]6(F)(F)(F)F)(F0)F)(F[Al](F[Al]7(F)(F)(F)F)(F[Al]8(F)(F)(F)F)(F1)(F4)F)(F[Al](F[Al]9(F)(F)(F)F)(F[Al]0(F)(F)(F)F)(F5)(F7)F)(F[Al](F[Al]1(F)(F)(F)F)(F2)(F8)(F9)F)F[Al](F3)(F6)(F0)(F1)F
Properties
AlF3
Molar mass
  • 83.977 g/mol (anhydrous)
  • 101.992 g/mol (monohydrate)
  • 138.023 (trihydrate)
[1]
Appearance Colorless to white crystalline solid
Odor Odorless
Density
  • 3.10 g/cm3 (anhydrous)
  • 2.17 g/cm3 (monohydrate)
  • 1.914 g/cm3 (trihydrate)
[1]
Melting point 1,290 °C (2,350 °F; 1,560 K)[4] (anhydrous) (sublimes)
  • 5.6 g/L (0 °C)
  • 6.7 g/L (20 °C)
  • 17.2 g/L (100 °C)
−13.4×10−6 cm3/mol[2]
1.3767 (visible range)[3]
Structure
Rhombohedral, hR24
R3c, No. 167[5]
a = 0.49254 nm, c = 1.24477 nm
0.261519
6
Thermochemistry
75.1 J/(mol·K)[6]
66.5 J/(mol·K)[6]
−1510.4 kJ/mol[6]
−1431.1 kJ/mol[6]
Hazards[7][8][9]
GHS labelling:
Corrosive Acute toxicity Irritant Reproductive toxicity, target organ toxicity, aspiration hazard
Danger
H301, H302, H314, H315, H319, H335, H361, H372
P260, P261, P264, P270, P271, P280, P301+P310, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P312, P321, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
3
0
0
NIOSH (US health exposure limits):
PEL (Permissible)
 none
REL (Recommended)
 2 mg/m3
IDLH (Immediate danger)
 N.D.
Safety data sheet (SDS) InChem MSDS
Related compounds
Other anions
Other cations
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Aluminium fluoride is an inorganic compound with the formula AlF3. It forms hydrates AlF3·xH2O. Anhydrous AlF3 and its hydrates are all colorless solids. Anhydrous AlF3 is used in the production of aluminium. Several occur as minerals.

  1. ^ a b Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed.). Boca Raton, FL: CRC Press. p. 4.45. ISBN 1-4398-5511-0.
  2. ^ Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed.). Boca Raton, FL: CRC Press. p. 4.131. ISBN 1-4398-5511-0.
  3. ^ Lide, David R. (2003-06-19). CRC Handbook of Chemistry and Physics. CRC Handbook (84th ed.). CRC Press. ISBN 9780849304842.
  4. ^ Cite error: The named reference g233 was invoked but never defined (see the help page).
  5. ^ Hoppe, R.; Kissel, D. (1984). "Zur kenntnis von AlF3 und InF3 [1]". Journal of Fluorine Chemistry. 24 (3): 327. doi:10.1016/S0022-1139(00)81321-4.
  6. ^ a b c d Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed.). Boca Raton, FL: CRC Press. p. 5.5. ISBN 1-4398-5511-0.
  7. ^ Pohanish, Richard P. (2005-03-04). HazMat Data: For First Response, Transportation, Storage, and Security. John Wiley & Sons. ISBN 9780471726104.
  8. ^ "Aluminum Fluoride". PubChem. National Institute of Health. Retrieved October 12, 2017.
  9. ^ NIOSH Pocket Guide to Chemical Hazards. "#0024". National Institute for Occupational Safety and Health (NIOSH).