Merck 841102 0005 Methyl-N-Trimethylsilyltriflor Acetic Acid 5 ML.

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Description
Catalogue Number	841102
Synonyms	MSTFA

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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

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

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

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Safety Information according to GHS
Hazard Pictogram(s)	\n\n
Hazard Statement(s)	H226: Flammable liquid and vapour.\nH315: Causes skin irritation.\nH319: Causes serious eye irritation.\nH335: May cause respiratory irritation.
Precautionary Statement(s)	P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.\nP233: Keep container tightly closed.\nP240: Ground and bond container and receiving equipment.\nP241: Use explosion-proof electrical/ ventilating/ lighting equipment.\nP303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.\nP305 + 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	3\nRelatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

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Safety Information
Categories of danger	flammable, irritant

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

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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

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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