Perfluorooctanoic acid

  • Pentadecafluorooctanoic acid
  • Pentadecafluoro-n-octanoic acid
  • Perfluorocaprylic acid
  • Perfluoroheptanecarboxylic acid
  • Perfluoroctanoic acid
  • Eftop EF 201
Formula
CF3(CF2)6COOH
Structure
Description
White.

Registry Numbers and Inventories.
CAS
335-67-1
EC (EINECS/ELINCS)
206-397-9
EC Class
corrosive
S 26 36/37/39 45
RTECS
RH0781000
RTECS class
Mutagen
UN (DOT)
1759
Beilstein/Gmelin
1809678
Beilstein Reference
4-02-00-00994
Swiss Giftliste 1
G-3893
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C8HF15O2
Formula mass
414.07
Melting point, °C
45 - 50
Boiling point, °C
192
Density
1.7 g/cm3
Solubility in water
Insoluble
Viscosity
5.72 mPa 60.00
pKa/pKb
0.35 (pKa)

Hazards and Protection.
Storage
Corrosives area.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Eyes: Wear safety glasses and chemical goggles if splashing is possible. Skin: Wear appropriate protective gloves and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
Respirators
Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.
Small spills/leaks
Sweep up, then place into a suitable container for disposal.
Disposal code
4
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Bases - oxidizing agents - reducing agents.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.
Fire potential
Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Hazards
Contact with metals may evolve flammable hydrogen gas.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Poison_Class
3
Exposure effects
   Ingestion
Not available.
   Inhalation
May cause severe irritation of the respiratory tract with sore throat, coughing, shortness of breath and delayed lung edema. Causes chemical burns to the respiratory tract.
   Skin
May cause severe irritation and possible burns.
   Eyes
Contact with eyes may cause severe irritation, and possible eye burns.

First aid
 
   Ingestion
Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
   Inhalation
Remove from exposure to fresh air immediately.
   Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.

Transport.
UN number
1759
Response guide
Hazard class
8
Packing Group
I; II; III
 
HS Code
2915 90 80