16940-81-1

Name Hexafluorophosphoric acid
CAS 16940-81-1
EINECS(EC#) 241-006-5
Molecular Formula F6HP
MDL Number MFCD00011350
Molecular Weight 145.97
MOL File 16940-81-1.mol
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Chemical Properties

Appearance colourless to slightly brown liquid (aqueous solution)
Melting point  10 °C
density  1.651 g/mL at 25 °C
storage temp.  2-8°C
solubility  reacts with H2O
form  Fuming Solution
color  Colorless or slightly colored
Stability: Stable. Incompatible with strong oxidizing agents.
Water Solubility  hydrolyzes slowly
Exposure limits ACGIH: TWA 0.5 ppm(2.5 mg/m3); Ceiling 2 ppm (Skin)
OSHA: TWA 3 ppm
NIOSH: IDLH 30 ppm(250 mg/m3); TWA 3 ppm(2.5 mg/m3); Ceiling 6 ppm(5 mg/m3)
InChI InChI=1S/F5P.FH/c1-6(2,3,4)5;/h;1H
InChIKey OQWOLAMXNGPSQY-UHFFFAOYSA-N
SMILES P(F)(F)(F)(F)F.F
Uses
Metal cleaners, electrolytic or chemical polishing agents for the formation of protective coatings for metal surfaces, and as a catalyst.
CAS DataBase Reference 16940-81-1(CAS DataBase Reference)
EPA Substance Registry System 16940-81-1(EPA Substance)

Safety Data

Symbol(GHS)  Corrosion (GHS05)Skull and Crossbones (GHS06)
GHS05,GHS06
Signal word  Danger
Hazard statements  H290-H301-H310-H314-H332
Precautionary statements  P234-P261-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  T+,T,C
Risk Statements 
R26/27/28:Very Toxic by inhalation, in contact with skin and if swallowed .
R35:Causes severe burns.
R34:Causes burns.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S7/9:Keep container tightly closed and in a well-ventilated place .
S36/37:Wear suitable protective clothing and gloves .
RIDADR  UN 1782 8/PG 2
WGK Germany  3
RTECS  SY7115000
Hazard Note  Corrosive/Toxic
TSCA  Yes
HazardClass  8
PackingGroup  II
HS Code  28111990
Storage Class 6.1B - Non-combustible acute toxic Cat. 1 and 2
very toxic hazardous materials
Hazard Classifications Acute Tox. 2 Dermal
Acute Tox. 3 Oral
Acute Tox. 4 Inhalation
Eye Dam. 1
Met. Corr. 1
Skin Corr. 1B
Hazardous Substances Data 16940-81-1(Hazardous Substances Data)

Raw materials And Preparation Products

Hazard Information

Material Safety Data Sheet(MSDS)

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