Perfluorooctanesulfonic acid
[CAS# 1763-23-1]

Identification

• Classification: Chemical reagent >> Organic reagent >> Sulfonate / sulfinate
• Name: Perfluorooctanesulfonic acid
• Synonyms: 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-Heptadecafluoro-1-octanesulfonic acid; 1-Perfluorooctanesulfonic acid; EF 101; Eftop EF 101; Heptadecafluoro-1-octanesulfonic acid; Heptadecafluorooctanesulfonic acid; Perfluoro-n-octanesulfonic acid
• Molecular Formula: C₈HF₁₇O₃S
• Molecular Weight: 500.13
• CAS Registry Number: 1763-23-1
• EC Number: 217-179-8

Properties

• Solubility: Insoluble (2.4E^-3 g/L) (25 ºC), Calc.^*
• Density: 1.837±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Boiling point: 133 ºC (6 Torr)^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Brice, Thomas J.; US 2732398 1956.

Safety Data

• Hazard Symbols: GHS08;GHS07;GHS09 Danger
• Hazard Statements: H351-H360D-H362-H332-H302-H372-H411
• Safety Description: S7;S16;S36/37;S45

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Carcinogenicity	Carc.	2	H351
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Acute toxicity	Acute Tox.	4	H302
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Reproductive toxicity	Lact.	-	H362
Acute toxicity	Acute Tox.	4	H332
Reproductive toxicity	Repr.	1B	H360
Skin corrosion	Skin Corr.	1B	H314
Reproductive toxicity	Repr.	1B	H360D

• Transport Information: UN 1230 3/PG 2