1,1,3,3-Tetramethyldisiloxane CAS 3277-26-7
| CAS No. | 3277-26-7 |
| Molecular Formula | C4H14OSi2 |
| Molecular Weight | 134.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1,1,3,3-Tetramethyldisiloxane under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
1,1,3,3-Tetramethyldisiloxane (CAS 3277-26-7), molecular formula C4H14OSi2 and molecular weight 134.32 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 1,1,3,3-Tetramethyldisiloxane (C4H14OSi2) is characterized by a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C4H14OSi2 |
| Molecular Weight | 134.32 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -2.0 |
| CAS Registry Year (est.) | 1957 |
Related Tetramethyldisiloxane Standards
- 1,1,3,3-Tetramethyldisiloxane-1,3-diol (CAS 1118-15-6)
- (1,1,3,3-tetramethyldisiloxane-1,3-diyl)dipropane-3,1-diyl bisprop-2-enoate 1826-16-0 KST-1A2182 (CAS 1826-16-0)
- 3,3'-(1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(propan-1-ol) (CAS 18001-97-3)
- 3,3'-(1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(2-methylpropan-1-ol) (CAS 29706-30-7)
- 4,4'-(1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(butan-1-ol) (CAS 5931-17-9)
- 2,2'-(((1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(propane-3,1-diyl))bis(oxy))diethanol (CAS 441307-02-4)
- (1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(propane-3,1-diyl) bis(2-methylacrylate) (CAS 18547-93-8)
- (1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(3-phenylpropane-2,1-diyl) diacrylate (CAS 140220-31-1)
Recommended Standards
- (Ethylthio)trimethylsilane (Ethylthio)trimethylsilane, Technical Grade 5573-62-6 Ethyl trimethylsilyl sulfide Trimethyl(ethylthio)silane Trimethylsilyl ethyl sulfide (CAS 5573-62-6)
- CAS 6562-41-0 (CAS 6562-41-0)
- 2-(Trimethylsilane)ethanethiol (CAS 18143-30-1)
- Trichlorosilane (CAS 10025-78-2)
- 2-(1-Butyryl-1H-benzo[d]imidazol-2-yl)acetonitrile (CAS 88482-12-6)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com