1,1,1,3,5,5,5-Heptamethyltrisiloxane (CAS 1873-88-7) — formula C7H22O2Si3, molecular weight 222.50.
1,1,1,3,5,5,5-Heptamethyltrisiloxane is a chemical compound with CAS registry number 1873-88-7 and molecular formula C7H22O2Si3 (molecular weight 222.50).
CAS number: 1873-88-7
Its molecular formula C7H22O2Si3 comprises 7 C, 22 H, 2 O, 3 Si atoms.
Also known as: 1,1,1,3,5,5,5-Heptamethyltrisiloxane · Bis(trimethylsiloxy)methylsilane · Heptamethyltrisiloxane
The CAS registry number of 1,1,1,3,5,5,5-Heptamethyltrisiloxane is 1873-88-7.
Molecular formula C7H22O2Si3, molecular weight 222.50.
It is also registered under: 1,1,1,3,5,5,5-Heptamethyltrisiloxane, Bis(trimethylsiloxy)methylsilane, Heptamethyltrisiloxane.
Public-database records for 1,1,1,3,5,5,5-Heptamethyltrisiloxane (CAS 1873-88-7), reproduced here for independent cross-checking.
| CAS Registry Number | 1873-88-7 |
|---|---|
| PubChem CID | 74640 |
| 分子式 | C7H22O2Si3 |
| IUPAC 名称 | trimethyl-[methyl(trimethylsilyloxy)silyl]oxysilane |
| UNII（FDA） | NS00046548 |
trimethyl-[methyl(trimethylsilyloxy)silyl]oxysilane; C7H22O2Si3; 1,1,1,3,5,5,5-heptamethyl trisiloxane; SCHEMBL41518; HMS-991; HMS-992; HMS-993; 1,1,1,3,5,5,5-heptamethyl-trisiloxane; NS00046548; H11921; S02350; 1,1,1,3,5,5,5-Heptamethyltrisiloxane, 97%; F985918; trimethyl-[methyl(trimethylsilyloxy)silyl]oxy-silane; Q27288310; Polymethylhydrosiloxanes, trimethlysiloxy terminated 15-25cSt
| 分子量 | 222.50 |
|---|---|
| 氢键供体数 | 0 |
| 氢键受体数 | 2 |
| 可旋转键数 | 4 |
| 精确质量 | 222.09275954 |
| 单同位素质量 | 222.09275954 |
| 拓扑极性表面积 | 18.5 |
| 重原子数 | 12 |
| 形式电荷 | 0 |
| 复杂度 | 121 |
Heptamethyltrisiloxane · CAS 1873-88-7 · C7H22O2Si3. UNII NS00046548.
Source: PubChem / Wikidata; the batch COA governs where values differ.
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