Polymethylphenylsiloxane (CAS 9005-12-3) — formula C7H8OSi, molecular weight 136.22; category organic chemicals.
Polymethylphenylsiloxane (CAS 9005-12-3) is a chemical raw material in the organic chemicals category. Its molecular formula C7H8OSi comprises 7 C, 8 H, 1 O, 1 Si atoms. Its molecular weight is about 136.22. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 9005-12-3 |
|---|---|
| Molecular Formula | C7H8OSi |
| Molecular Weight | 136.22 |
| Category | Organic Chemicals |
Polymethylphenylsiloxane is a carbon-based organic compound with CAS registry number 9005-12-3 and molecular formula C7H8OSi (molecular weight 136.22), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 9005-12-3
Its molecular formula C7H8OSi comprises 7 C, 8 H, 1 O, 1 Si atoms.
Also known as: Polymethylphenylsiloxane · 聚苯甲基硅氧烷 · Polyphenylmethylsiloxane
Category: organic chemicals
The CAS registry number of Polymethylphenylsiloxane is 9005-12-3.
Molecular formula C7H8OSi, molecular weight 136.22.
It is also registered under: Polymethylphenylsiloxane, 聚苯甲基硅氧烷, Polyphenylmethylsiloxane.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Polymethylphenylsiloxane (CAS 9005-12-3), compiled from public chemistry databases.
| CAS Registry Number | 9005-12-3 |
|---|---|
| PubChem CID | 3032548 |
| Molecular formula | C7H8OSi |
| IUPAC name | methyl-oxo-phenylsilane |
| UNII (FDA) | ST51037356 |
| Molecular Weight | 136.22 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 1 |
| Exact Mass | 136.034441409 |
| Monoisotopic Mass | 136.034441409 |
| Topological Polar Surface Area | 17.1 |
| Heavy Atom Count | 9 |
Phenyl dimethicone; Phenyl simethicone; RefChem:861585; POLY(PHENYLMETHYLSILOXANE); METHYL(PHENYL)SILANONE; 9005-12-3; Polyphenylmethylsiloxane, MW 2500-2700; 4543-12-8; methylphenylsilanone; C7H8OSi; methyl-oxo-phenyl-silane; SCHEMBL1460581; DTXSID40963382; AKOS024386312; ST51037356
| Regulatory & Food Contact | FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS CIR / INCI: Cosmetic ingredients (Phenyl Dimethicone) -> CIR (Cosmetic Ingredient Review) |
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Polyphenylmethylsiloxane · CAS 9005-12-3 · C7H8OSi. UNII ST51037356.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 聚苯甲基硅氧烷