15238

N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane

for GC derivatization, LiChropur^™, contains 1% TMCS, 99% (excluding TMCS)

• Synonym(s): Silylating mixture V, BSTFA + TMCS
• Linear Formula: CF₃C[=NSi(CH₃)₃]OSi(CH₃)₃
• CAS Number: 25561-30-2
• Molecular Weight: 257.40
• Beilstein: 2050024
• MDL number: MFCD00008269
• UNSPSC Code: 41116105
• PubChem Substance ID: 329750793
• NACRES: NA.22

Properties

• grade: for GC derivatization
• Quality Level: 100
• Assay: ≥98.5% (excluding chlorotrimethylsilane, GC); 99% (excluding TMCS)
• form: liquid
• quality: LiChropur^™; contains 1% TMCS
• reaction suitability: reagent type: derivatization reagent; reaction type: Silylations
• technique(s): gas chromatography (GC): suitable
• refractive index: n20/D 1.384 (lit.)
• bp: 45-50 °C/14 mmHg (lit.)
• density: 0.97 g/mL (lit.)
• SMILES string: C[Si](C)(C)O\C(=N\[Si](C)(C)C)C(F)(F)F
• InChI: 1S/C8H18F3NOSi2/c1-14(2,3)12-7(8(9,10)11)13-15(4,5)6/h1-6H3/b12-7+
• InChI key: XCOBLONWWXQEBS-KPKJPENVSA-N

Description

Application

Learn more in the Product Information

Packaging

Clear borosilicate glass, high hydrolytic resistance (Type I)

Other Notes

The position of the silyl groups has not been unequivocally established. It has been referred to as both N,N and N,O.

Silylating mixture used for the silylation of various compounds

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Danger
• Hazard Statements: H225,H315,H319
• Precautionary Statements: P210 - P233 - P240 - P241 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 44.1 °F - closed cup
• Flash Point(C): 6.7 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves