Trifluoromethanesulfonic acid CAS#1493-13-6

Products Description of Trifluoromethanesulfonic acid CAS#1493-13-6

Trifluoromethanesulfonic acid, also known as triflic acid, TFMS, TFSA, HOTf or TfOH, is a sulfonic acid with the chemical formula CF3SO3H. It is often regarded as one of the strongest acids, and is one of a number of so-called "superacids". it is used in the manufacture of pharmaceuticals, agricultural chemicals and polymers. The anhydrous form is widely used in fine chemical synthesis. It is non-oxidizing, has a high thermal stability, and is resistance to both oxidation and reduction, which makes it one of the more useful compounds in the super acids class. In the pharma industry, it is used to make a number of drug classes, including nucleosides, antibiotics, steroids, proteins and glycosides. Triflic anhydride reacts readily with water and has an unfavorable toxicity profile.

Parameters

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
Fp	None
storage temp.	Store below +30°C.
solubility	Miscible in H<sub>2</sub>O
pka	-14(at 25℃)
form	Fuming Liquid
color	slightly brown
Specific Gravity	1.696
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)

Safety Information

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

Product Application of  Trifluoromethanesulfonic acid CAS#1493-13-6

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.

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