1,1,3,3-TETRAMETHYLDISILOXANE Property

Boiling point:

70-71 °C(lit.)

Density 

0.76 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.370(lit.)

Flash point:

14 °F

storage temp. 

2-8°C

EPA Substance Registry System

Disiloxane, tetramethyl- (30110-74-8)

Safety

Hazard Codes 

F

Risk Statements 

11-36/37/38

Safety Statements 

16-26-36

RIDADR 

UN 2924 3/PG 2

WGK Germany 

3

RTECS 

JN1000000

F 

10-21

TSCA 

Yes

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H225Highly Flammable liquid and vapour

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P242Use only non-sparking tools.

P243Take precautionary measures against static discharge.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

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

P302+P352IF ON SKIN: wash with plenty of soap and water.

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.

P321Specific treatment (see … on this label).

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P370+P378In case of fire: Use … for extinction.

P403+P235Store in a well-ventilated place. Keep cool.

P501Dispose of contents/container to..…

1,1,3,3-TETRAMETHYLDISILOXANE Chemical Properties,Usage,Production

Uses

Reduces aromatic aldehydes to benzyl halides. Used in the reductive halogenation of aldehydes and epoxides.