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358-23-6

Trifluoromethanesulfonic anhydride

CAS: 358-23-6

Molecular Formula: C2F6O5S2

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358-23-6 - Names and Identifiers

Name Trifluoromethanesulfonic anhydride
Synonyms Triflic anhydride
Triflic anhydride solution
Trifluoromethanesulfonic anhydride
Trifluoromethanesulphonic anhydride
Trifluoromethanesulfonic anhydlladium(0)
Methanesulfonic acid, trifluoro-, anhydride
Trifluoromethanesulfonic anhydride solution
trifluoromethylsulfonyl trifluoromethanesulfonate
TRIFLUOROMETHANE SULFONIC ANHYDRIDE(ORIG INAL IMPORT VIDE BE.NO
Trifluoromethanesulfonic anhydride solution 1 M in methylene chloride
CAS 358-23-6
EINECS 206-616-8
InChI InChI=1/C2F6O5S2/c3-1(4,5)14(9,10)13-15(11,12)2(6,7)8
InChIKey WJKHJLXJJJATHN-UHFFFAOYSA-N

358-23-6 - Physico-chemical Properties

Molecular FormulaC2F6O5S2
Molar Mass282.14
Density1.677 g/mL at 25 °C (lit.)
Melting Point-80°C
Boling Point81-83 °C (lit.)
Flash Point81-83°C
Water Solubilityreacts violently with water
Solubility Miscible with dichloromethane. Immiscible with hydrocarbons.
Vapor Presure8 mm Hg ( 20 °C)
Vapor Density5.2 (vs air)
AppearanceLiquid
Specific Gravity1.677
ColorClear colorless to light brown
BRN1813600
Storage ConditionStore below +30°C.
SensitiveMoisture Sensitive
Refractive Indexn20/D 1.321(lit.)
Physical and Chemical PropertiesProperties: contact with air smoke, hygroscopicity, with irritating odor of the liquid. Density 1.67; Boiling point 81-83 deg C purposes: chemical intermediates colorless clear liquid

358-23-6 - Risk and Safety

Hazard SymbolsC - Corrosive
Corrosive
Risk CodesR14 - Reacts violently with water
R21/22 - Harmful in contact with skin and if swallowed.
R34 - Causes burns
R35 - Causes severe burns
R22 - Harmful if swallowed
R40 - Limited evidence of a carcinogenic effect
Safety DescriptionS26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S43 - In case of fire use ... (there follows the type of fire-fighting equipment to be used.)
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S8 - Keep container dry.
UN IDsUN 3265 8/PG 2
WGK Germany3
RTECSPB2772000
FLUKA BRAND F CODES10-21
TSCAYes
HS Code29049020
Hazard NoteCorrosive
Hazard Class8
Packing GroupI
ToxicityLD50 orally in Rabbit: 1012 mg/kg

358-23-6 - Reference Information

LogP0.3 at 25℃
NIST chemical information Information provided by: webbook.nist.gov (external link)
EPA chemical information Information provided by: ofmpub.epa.gov (external link)
Introduction Trifluoromethanesulfonic anhydride is an organic compound with the chemical formula (CF3SO2)2O, an acid anhydride of strong acid trifluoromethanesulfonic acid, a strong electrophile, and can be used to introduce trifluoromethanesulfonyl.
use chemical intermediate colorless clear liquid
as an intermediate, it is widely used in the pharmaceutical industry, protein, sugar, vitamins, etc., Friedel-Crafts benzylation and cyclohexylation reaction catalysts.
2. plastic industry is used to catalyze chemical synthesis as oligomerization catalyst and silicone rubber modification. 3. The electronic chemical industry is used for the production of electronically conductive polymers 4. The fuel industry is used as a catalyst for protonation reactions. 5. Synthetic weeding and growth regulators in agrochemical industry. 6. Used in the sugar industry. 7. laboratory research for special reactions
trifluoromethanesulfonic anhydride is widely used in the synthesis of alkyl and vinyl trifluoromethanesulfonate. In chemical and pharmaceutical synthesis, catalysis is applied to trifluoroanhydride, acid and ester.
Last Update：2024-04-09 02:00:05
358-23-6
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