252069

Chlorodifluoroacetic anhydride

98%

• Linear Formula: (ClCF₂CO)₂O
• CAS Number: 2834-23-3
• Molecular Weight: 242.94
• EC Number: 220-603-4
• MDL number: MFCD00000774
• UNSPSC Code: 12352100
• PubChem Substance ID: 24855179
• NACRES: NA.22

Properties

• Quality Level: 100
• Assay: 98%
• form: liquid
• refractive index: n20/D 1.347 (lit.)
• bp: 96-97 °C (lit.)
• density: 1.395 g/mL at 25 °C (lit.)
• functional group: anhydride; chloro; ester; fluoro
• SMILES string: FC(F)(Cl)C(=O)OC(=O)C(F)(F)Cl
• InChI: 1S/C4Cl2F4O3/c5-3(7,8)1(11)13-2(12)4(6,9)10
• InChI key: VBJIFLOSOQGDRZ-UHFFFAOYSA-N

Description

General description

Photolysis of the vapour of chlorodifluoroacetic anhydride has been studied over the range 19-201°C using 248nm radiation.

Application

Chlorodifluoroacetic anhydride has been used:

• for dual element acetylation tagging derivatization of amines by using microwave sustained helium emission detector
• as derivatization reagent in determination of estrone and 17β-estradiol in hair by GC-MS

Safety Information

• Pictograms: GHS06,GHS05
• Signal Word: Danger
• Hazard Statements: H301,H312,H314
• Precautionary Statements: P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P362 + P364 - P405
• Hazard Classifications: Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Eye Dam. 1 - Skin Corr. 1B
• Storage Class Code: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves