Trimethylsilyl 2,2,2-trifluoro-N-(trimethylsilyl)acetimidate , CAS 25561-30-2 , C8H18F3NOSi2 , BSTFA

Product name: Trimethylsilyl 2,2,2-trifluoro-N-(trimethylsilyl)acetimidate

Other names: N,O-bis-TMS-trifluoroacetamide; N,O-Bis(trimethylsilyl)trifluoroacetamide; Ethanimidic acid, 2,2,2-trifluoro-N-(trimethylsilyl)-, trimethylsilyl ester; N,O-bis(trimehylsilyl)trifluoroacetamide; N,O-BSTFA

Molecular formula: C₈H₁₈F₃NOSi₂

Identified uses: Industrial and scientific research uses, Pharmaceutical intermediate or medicine intermediate

Composition/information on ingredients

Physical and chemical properties and safety characteristics

Physical state: Clear to yellowish clear liquid

Melting point/freezing point: -41°C(lit.)

Boiling point or initial boiling point and boiling range: 45-50°C/14mmHg(lit.)

Flash point 24°C

Solubility In water: hydrolyses

Vapour pressure 0.193mmHg at 25°C

Density and/or relative density 0.969g/mLat 25°C(lit.)

Hazard identification

Classification of the substance or mixture

Flammable liquids, Category 2

Skin irritation, Category 2

Eye irritation, Category 2

GHS label elements, including precautionary statements

Signal word: Danger

Hazard statement(s)

H225 Highly flammable liquid and vapour

H315 Causes skin irritation

H319 Causes serious eye irritation

Precautionary statement(s)

Prevention

Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.

Keep container tightly closed.

Ground and bond container and receiving equipment.

Use explosion-proof [electrical/ventilating/lighting/...] equipment.

Use non-sparking tools.

Take action to prevent static discharges.

Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

Wash thoroughly after handling.

Response

If on skin (or hair): Take off all contaminated clothing immediately . Rinse affected areas with water (or shower).

If on skin: Wash with plenty of water.

If skin irritation occurs: Get medical help.Take off contaminated clothing and wash it before reuse.

If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Get medical help if necessary.

Storage

Store in a well-ventilated place.

Keep cool.

Disposal

Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

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