Trifluoromethanesulfonic acid
[CAS# 1493-13-6]

Identification

• Classification: Chemical reagent >> Organic reagent >> Fatty acid
• Name: Trifluoromethanesulfonic acid
• Synonyms: Triflic acid
• Molecular Formula: CHF₃O₃S
• Molecular Weight: 150.07
• CAS Registry Number: 1493-13-6
• EC Number: 216-087-5

Properties

• Density: 1.696
• Melting point: -40 ºC
• Boiling point: 162 ºC
• Refractive index: 1.326-1.33
• Water solubility: SOLUBLE

Safety Data

• Hazard Symbols: C
• Risk Codes: R21/22;R35
• Safety Description: S26;S36/37/39;S45

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin corrosion	Skin Corr.	1B	H314
Substances or mixtures corrosive to metals	Met. Corr.	1	H290
Skin corrosion	Skin Corr.	1C	H314
Serious eye damage	Eye Dam.	1	H318
Skin corrosion	Skin Corr.	1A	H314
Acute toxicity	Acute Tox.	4	H312
Specific target organ toxicity - single exposure	STOT SE	3	H371
Acute toxicity	Acute Tox.	4	H332
Chronic hazardous to the aquatic environment	Aquatic Chronic	4	H413

• Transport Information: UN 3265