1,1,3,3-Tetramethyl-1,3-divinyldisilazane

CAS NO.：7691-02-3
Empirical Formula: C8H19NSi2
Molecular Weight: 185.41
MDL number: MFCD00042846
EINECS: 231-701-1
SAFETY DATA SHEET (SDS)
Update Date: 2024-10-31 13:32:20

What is 1,1,3,3-Tetramethyl-1,3-divinyldisilazane?

Chemical properties

Clear liquid with ammonia odor

The Uses of 1,1,3,3-Tetramethyl-1,3-divinyldisilazane

1,1,3,3-Tetramethyl-1,3-divinyldisilazane is used for silicone rubber, silicone resin, silicone gel and vinyl manufacturing.

What are the applications of Application

1,1,3,3-Tetramethyl-1,3-divinyldisilazane, a vinylsilazane, could cross-linked with polyhydromethylsiloxane in the presence of Karstedt's catalyst. When the reactions were carried out in solvent-free conditions, non-porous polysiloxane-silazane networks were obtained[1].

Flammability and Explosibility

Flammable

References

[1] Justyna Olejarka . “Non-porous and porous materials prepared by cross-linking of polyhydromethylsiloxane with silazane compounds.” European Polymer Journal 99 (2018): Pages 150-164.

Properties of 1,1,3,3-Tetramethyl-1,3-divinyldisilazane

Melting point:	<0°C
Boiling point:	161-163 °C
Density	0.819
vapor pressure	1.2-8611hPa at 20-25℃
refractive index	n20/D 1.4405(lit.)
Flash point:	34°C
storage temp.	2-8°C
solubility	soluble in Methanol
form	clear liquid
pka	10.77±0.70(Predicted)
color	Colorless to Light yellow to Light orange
Specific Gravity	0.819
Water Solubility	Hydrolyzes in water.
Sensitive	Moisture Sensitive
Hydrolytic Sensitivity	7: reacts slowly with moisture/water
BRN	2411661
CAS DataBase Reference	7691-02-3(CAS DataBase Reference)
NIST Chemistry Reference	Silanamine, 1-ethenyl-N-(ethenyldimethylsilyl)-1,1-dimethyl-(7691-02-3)
EPA Substance Registry System	Silanamine, 1-ethenyl-N-(ethenyldimethylsilyl)-1,1-dimethyl- (7691-02-3)

Safety information for 1,1,3,3-Tetramethyl-1,3-divinyldisilazane

Signal word	Danger
Pictogram(s)	Flame Flammables GHS02 Corrosion Corrosives GHS05 Skull and Crossbones Acute Toxicity GHS06 Exclamation Mark Irritant GHS07
GHS Hazard Statements	H226:Flammable liquids H301:Acute toxicity,oral H302:Acute toxicity,oral H314:Skin corrosion/irritation H318:Serious eye damage/eye irritation
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P370+P378:In case of fire: Use … for extinction. P405:Store locked up. P403+P235:Store in a well-ventilated place. Keep cool. P501:Dispose of contents/container to..…