MERCK 841102.0005 N-Methyl-N-Trimethylsilyltriflor Acetic Acid CAS No. 24589-78-4

Key Spec Table

CAS #	EC Number	Hill Formula	Molar Mass
24589-78-4	246-331-6	C₆H₁₂F₃NOSi	199.25 g/mol

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Description
Catalogue Number	841102
Synonyms	MSTFA

Product Information
CAS number	24589-78-4
EC number	246-331-6
Hill Formula	C₆H₁₂F₃NOSi
Molar Mass	199.25 g/mol
HS Code	2931 90 90
Structure formula Image
Quality Level	MQ200

Applications
Application	N-Methyl-N-trimethylsilyl-trifluoroacetamide for synthesis. CAS 24589-78-4, molar mass 199.25 g/mol.

Physicochemical Information
Boiling point	130 - 132 °C (1013 hPa)
Density	1.075 g/cm3
Flash point	25 °C
Vapor pressure	12 hPa (27 °C)

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H226: Flammable liquid and vapour.H315: Causes skin irritation.H319: Causes serious eye irritation.H335: May cause respiratory irritation.
Precautionary Statement(s)	P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.P233: Keep container tightly closed.P240: Ground and bond container and receiving equipment.P241: Use explosion-proof electrical/ ventilating/ lighting equipment.P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word	Warning
Storage class	3 Flammable liquids
WGK	WGK 3 highly hazardous to water
Disposal	3Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Safety Information
Categories of danger	flammable, irritant

Storage and Shipping Information
Storage	Store below +30°C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 1993, 3, II
Declaration (transport by air) IATA-DGR	UN 1993, 3, II
Declaration (transport by sea) IMDG-Code	UN 1993, 3, II

Specifications
Color according to color reference solution Ph.Eur.	colorless liquid
Assay (GC, area%)	≥ 97.0 % (a/a)
Density (d 20 °C/ 4 °C)	1.078 - 1.087
Identity (IR)	passes test