375934

N-tert-Butyldimethylsilyl-N-methyltrifluoroacetamide

≥95%, with 1% tert-Butyldimethylchlorosilane

• Synonym(s): MTBSTFA+TBDMSCl, 99:1, N-Methyl-N-tert-butyldimethylsilyltrifluoroacetamide, MTBSTFA + 1% TBDMSCl, Silylating mixture VI
• Empirical Formula (Hill Notation): C₉H₁₈F₃NOSi
• CAS Number: 77377-52-7
• Molecular Weight: 241.33
• Beilstein: 3606546
• MDL number: MFCD00009671
• UNSPSC Code: 12352001
• PubChem Substance ID: 24863412
• NACRES: NA.22

Properties

• product name: N-tert-Butyldimethylsilyl-N-methyltrifluoroacetamide with 1% tert-Butyldimethylchlorosilane, ≥95%
• Quality Level: 100
• Assay: ≥95%
• form: liquid
• contains: 1% TBDMSCl
• storage temp.: −20°C
• SMILES string: CN(C(=O)C(F)(F)F)[Si](C)(C)C(C)(C)C
• InChI: 1S/C9H18F3NOSi/c1-8(2,3)15(5,6)13(4)7(14)9(10,11)12/h1-6H3
• InChI key: QRKUHYFDBWGLHJ-UHFFFAOYSA-N

Description

Application

N-tert-Butyldimethylsilyl-N-methyltrifluoroacetamide with 1% tert-butyldimethylchlorosilane is commonly used for the preparation of N-tert-butyldimethylsilyl ethanolamines resulting from the hydrolysis of nitrogen mustards. It is also used for selective O-silylation of N,O-diacylhydroxyl amines.

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Warning
• Hazard Statements: H226,H315,H319
• Precautionary Statements: P210 - P233 - P240 - P241 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 113.0 °F - closed cup
• Flash Point(C): 45 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves