1,1,1,3,5,5,5-Heptamethyltrisiloxane

Product Name:

1,1,1,3,5,5,5-Heptamethyltrisiloxane

Synonyms:

1,1,1,3,5,5,5-heptamethyl-trisiloxan;3H-Heptamethyltrisiloxane;1,1,1,3,5,5,5-HEPTAMETHYLTRISILOXANE;BIS(TRIMETHYLSILOXY)METHYLSILANE;DOW CORNING 1107 WATER REPELLENT AND POWDER TREATMENT;heptamethyltrisiloxane;1,1,1,3,5,5,5-HEPTAMETHYLTRISILOXANE, 97 %;40M25)

CAS:

MF:

C7H22O2Si3

MW:

222.5

EINECS:

217-496-1

Product Categories:

Industrial/Fine Chemicals;Si (Classes of Silicon Compounds);Siloxanes;Si-O Compounds;Organometallic Reagents;Organosilicon

Mol File:

1873-88-7.mol

 

1,1,1,3,5,5,5-Heptamethyltrisiloxane Chemical Properties

Melting point 

<0°C

Boiling point 

142 °C(lit.)

density 

0.819 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.382(lit.)

Fp 

82 °F

Water Solubility 

Miscible with acetone, ethanol, diethyl ether. Insoluble in water.

BRN 

1748455

Stability:

Stable. Flammable. Incompatible with strong oxidizing agents.

InChIKey

QNWOFLWXQGHSRH-UHFFFAOYSA-N

CAS DataBase Reference

1873-88-7(CAS DataBase Reference)

NIST Chemistry Reference

Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-,(1873-88-7)

EPA Substance Registry System

Trisiloxane, 1,1,1,3,5,5,5-heptamethyl- (1873-88-7)

 

Safety Information

Hazard Codes 

Xi

Risk Statements 

10-36/37/38

Safety Statements 

26-36

RIDADR 

UN 1993 3/PG 2

WGK Germany 

3

F 

10-21

TSCA 

Yes

HazardClass 

3

PackingGroup 

II

HS Code 

29319090