Tributylchlorosilane Property

Boiling point:

250-252 °C (lit.)

Density 

0.879 g/mL at 25 °C (lit.)

refractive index 

n20/D 1.446(lit.)

Flash point:

220 °F

form 

clear liquid

color 

Colorless to Light yellow

Specific Gravity

0.879

Water Solubility 

Reacts with water.

Sensitive 

Moisture Sensitive

Hydrolytic Sensitivity

8: reacts rapidly with moisture, water, protic solvents

BRN 

1742537

CAS DataBase Reference

995-45-9(CAS DataBase Reference)

NIST Chemistry Reference

Silane, tributylchloro-(995-45-9)

EPA Substance Registry System

Silane, tributylchloro- (995-45-9)

Safety

Hazard Codes 

C

Risk Statements 

34-37

Safety Statements 

26-36/37/39-45

RIDADR 

UN 2987 8/PG 2

WGK Germany 

1

F 

10-21

TSCA 

Yes

HazardClass 

8

PackingGroup 

II

HS Code 

29349990

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P363Wash contaminated clothing before reuse.

P405Store locked up.

Tributylchlorosilane Chemical Properties,Usage,Production

Uses

Chlorotri-n-butylsilane is as silylating agent. It can react with bromo-trifluoro-methane, to product tributyl-trifluoromethyl-silane.

General Description

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Purification Methods

Fractionally distil it and store it in small aliquots in sealed ampoules. [Gilman et al. J Am Chem Soc 74 1361 1952, Osthoff & Clark J Org Chem 24 219 1959, Beilstein 4 IV 4072.]