Cas 556-67-2 Octamethyl Cyclotetrasiloxane Octamethylcyclotetrasiloxane Silicone Oil Intermediate Of Silicone Rubber
Model Number : HMHT0015
Octamethyl cyclotetrasilazane; octaphenyl silsesquioxane; Octamethylcyclotetrasiloxane
Molecular formula: C8H24O4Si4
Octamethylcyclotetrasiloxane molecular structure
Octamethylcyclotetrasiloxane molecular structure
Molecular weight: 296.62
CAS Accession Number : 556-67-2
EINECS Accession Number: 209-136-7
Product Parameters
CAS | 556-67-2 |
EINECS | 209-136-7 |
chemical formula | C8H24O4Si4 |
molecular weight | 296.616 |
InChI | InChI=1/C8H24O4Si4/c1-13(2)9-14(3,4)11-16(7,8)12-15(5,6)10-13/h1-8H3 |
InChIKey | HMMGMWAXVFQUOA-UHFFFAOYSA-N |
density | 0.95g/cm3 |
melting point | 17-18℃ |
boiling point | 175°C at 760 mmHg |
Flash point | 63.2°C |
water soluble | 56 µg/L |
vapor pressure | 1.57mmHg at 25°C |
steam density | 1 (vs air) |
refractive index | 1.423 |
Storage conditions | Store below +30°C. |
stability | Moisture Sensitive |
Exterior | colorless liquid |
Packaging Types
25kg / drum or as per customers ' requirements .
Transport/Storage Information
Store in a dark , cool , dry place , confined and stored .
Applications
The primary form of dimethyl cyclosiloxane is mainly used for ring-opening polymerization to form silicone oil, silicone rubber and silicone resin with different degrees of polymerization. These polymers are further processed into products that are widely used in various fields such as construction, electronics, textiles, automobiles, personal care, food, mechanical processing, etc., and also have a small number of direct applications.
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