Trifluoromethanesulfonicacid , ≥99.5% , 1493-13-6

Synonym(s):
TFMSA;Triflic acid;Triflic acid, TFMS;Trifluoromethanesulfonic acid

CAS NO.：1493-13-6

Empirical Formula: CHF3O3S

Molecular Weight: 150.08

MDL number: MFCD00007514

EINECS: 216-087-5

PRODUCT Properties

• Melting point: -40 °C
• Boiling point: 162 °C (lit.)
• Density: 1.696 g/mL at 25 °C (lit.)
• vapor density: 5.2 (vs air)
• vapor pressure: 8 mm Hg ( 25 °C)
• refractive index: n20/D 1.327(lit.)
• RTECS: PB2771000
• Flash point: None
• storage temp.: Store below +30°C.
• solubility: Miscible in H₂O
• pka: -14(at 25℃)
• form: Fuming Liquid
• Specific Gravity: 1.696
• color: slightly brown
• PH: <1 (H2O)
• Water Solubility: SOLUBLE
• Sensitive: Hygroscopic
• Merck: 14,9676
• BRN: 1812100
• Stability: Stable. Incompatible with acids, alkalis, metals.
• InChIKey: ITMCEJHCFYSIIV-UHFFFAOYSA-N
• LogP: 0.3 at 25℃
• CAS DataBase Reference: 1493-13-6(CAS DataBase Reference)
• NIST Chemistry Reference: CF3SO3H(1493-13-6)
• EPA Substance Registry System: Methanesulfonic acid, trifluoro- (1493-13-6)

Description and Uses

Trifluoromethanesulfonic acid acts as a catalyst in Friedel-Crafts type acylation, alkylation and polymerization reactions; as a solvent for ESR; as a nonaqueous strong acid titrant; with trifluoroacetic acid, q.v., in solid-phase peptide synthesis. One of the strongest available monoprotic acids.

Safety

• Symbol(GHS): GHS05,GHS07
• Signal word: Danger
• Hazard statements: H290-H302-H314-H335
• Precautionary statements: P234-P261-P280-P301+P312-P303+P361+P353-P305+P351+P338
• Hazard Codes: C
• Risk Statements: 21/22-35-10
• Safety Statements: 26-36/37/39-45
• RIDADR: UN 3265 8/PG 2
• WGK Germany: 2
• F: 3-10
• Hazard Note: Corrosive/Hygroscopic
• TSCA: Yes
• HazardClass: 8
• PackingGroup: II
• HS Code: 29049020
• Toxicity: LD50 orally in Rabbit: 1605 mg/kg LD50 dermal Rat > 2000 mg/kg