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Methyl trifluoromethanesulfonate

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Methyl trifluoromethanesulfonate Basic information

Product Name:
Methyl trifluoromethanesulfonate
Synonyms:
  • Methanesulfonicacid,trifluoro-,methylester
  • methyltrifluoromethanesulfinate
  • METHYL TRIFLUOROMETHANESULFONATE FOR SYN
  • Methyl trifluoromethanesulfote
  • Methyl trifluoroMethanesulfona
  • Methanesulfonic acid,1,1,1-trifluoro-, Methyl ester
  • Threefluoro Methanesulfonic acidMethyl ester
  • Methyl trifluoromethanesulfate
CAS:
333-27-7
MF:
C2H3F3O3S
MW:
164.1
EINECS:
206-371-7
Mol File:
333-27-7.mol
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Methyl trifluoromethanesulfonate Chemical Properties

Boiling point:
94-99 °C(lit.)
Density 
1.45 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.326(lit.)
Flash point:
101 °F
storage temp. 
2-8°C
form 
Liquid
color 
Clear colorless to yellow
Specific Gravity
1.450
Sensitive 
Air Sensitive
BRN 
774772
InChIKey
OIRDBPQYVWXNSJ-UHFFFAOYSA-N
CAS DataBase Reference
333-27-7(CAS DataBase Reference)
EPA Substance Registry System
Methyl trifluoromethanesulfonate (333-27-7)
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Safety Information

Hazard Codes 
C,T
Risk Statements 
10-34-20/21/22
Safety Statements 
26-36/37/39-45-16
RIDADR 
UN 2920 8/PG 2
WGK Germany 
3
10
Hazard Note 
Highly Toxic/Corrosive
TSCA 
T
HazardClass 
3.2
PackingGroup 
III
HS Code 
29049020

MSDS

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Methyl trifluoromethanesulfonate Usage And Synthesis

Chemical Properties

clear colourless to yellow liquid

Uses

suzuki reaction

Uses

Methyl trifluoromethanesulfonate is used as a powerful methylating reagent in chemistry. Further, it is used in the conversion of amines to methyl ammonium triflates. In addition, it is also used in Suzuki reaction.

General Description

Brown liquid. Insoluble in water.

Air & Water Reactions

Highly flammable. Insoluble in water.

Reactivity Profile

Methyl trifluoromethanesulfonate is sensitive to heat. . Esters react with acids to liberate heat along with alcohols and acids. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by the interaction of esters with caustic solutions. Flammable hydrogen is generated by mixing esters with alkali metals and hydrides.

Health Hazard

ACUTE/CHRONIC HAZARDS: When heated to decomposition Methyl trifluoromethanesulfonate emits toxic fumes.

Fire Hazard

Methyl trifluoromethanesulfonate is combustible.

Purification Methods

Methyl trifluoromethanesulfonate (methyl triflate) [333-27-7] M 164.1, b 97 -97.5o/736mm, 9 9o/~760mm, 100-102o/~760mm, d 4 1.496, n D 1.3238. It is a strong methylating agent but is corrosive and POISONOUS. Fractionate it carefully and collecting the middle fraction (use an efficient fume cupboard) and keep away from moisture. It is a POWERFUL ALKYLATING AGENT and a strong IRRITANT. [IR: Gramstad & Haszeldine J Chem Soc 173 1956 , J Chem Soc 4069 1957 .] Trifluoromethanesulfonic acid (triflic acid) [1493-13-6] M 151.1, boils higher (b 162o/atm), has a pKa of 3.10, and is TOXIC and hygroscopic. [Hansen J Org Chem 30 4322 1965, Kurz & El-Nasr J Am Chem Soc 104 5823 1982, Beilstein 3 IV 34.]

Methyl trifluoromethanesulfonate Preparation Products And Raw materials

Raw materials

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