Introduction：Basic information about CAS 56-33-7|1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane |
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| CAS Number | 56-33-7 | Molecular Weight | 286.516 |
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| Density | 1.0±0.1 g/cm3 | Boiling Point | 314.4±9.0 °C at 760 mmHg |
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| Molecular Formula | C16H22OSi2 | Melting Point | -89°C |
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| MSDS | / | Flash Point | 118.2±19.1 °C |
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Names
| Name | 1,3-diphenyltetramethyldisiloxane |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.0±0.1 g/cm3 |
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| Boiling Point | 314.4±9.0 °C at 760 mmHg |
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| Melting Point | -89°C |
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| Molecular Formula | C16H22OSi2 |
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| Molecular Weight | 286.516 |
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| Flash Point | 118.2±19.1 °C |
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| Exact Mass | 286.120911 |
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| PSA | 9.23000 |
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| LogP | 6.46 |
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| Vapour Pressure | 0.0±0.6 mmHg at 25°C |
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| Index of Refraction | 1.520 |
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| InChIKey | YQJPWWLJDNCSCN-UHFFFAOYSA-N |
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| SMILES | C[Si](C)(O[Si](C)(C)c1ccccc1)c1ccccc1 |
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| Storage condition | 2~8°C |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- JM9236000
- CHEMICAL NAME :
- Disiloxane, 1,3-diphenyl-1,1,3,3-tetramethyl-
- CAS REGISTRY NUMBER :
- 56-33-7
- BEILSTEIN REFERENCE NO. :
- 2943229
- LAST UPDATED :
- 199709
- DATA ITEMS CITED :
- 2
- MOLECULAR FORMULA :
- C16-H22-O-Si2
- MOLECULAR WEIGHT :
- 286.56
- WISWESSER LINE NOTATION :
- 1-SI-1&R&O-SI-1&1&R
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 700 mg/kg
- SEX/DURATION :
- male 7 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 21,55,1972
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Safety Information
| Hazard Codes | Xi |
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| Risk Phrases | 36/37/38 |
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| Safety Phrases | S24/25-S36-S26 |
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| RTECS | JM9236000 |
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| HS Code | 2934999090 |
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Customs
| HS Code | 2934999090 |
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| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| 1,1,3,3-TETRAMETHYL-1,3-DIPHENYL-DISILOXANE |
| 1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane |
| EINECS 200-265-4 |
| MFCD00039793 |
| Benzene, 1,1'-(1,1,3,3-tetramethyl-1,3-disiloxanediyl)bis- |
| [dimethyl(phenyl)silyl]oxy-dimethyl-phenylsilane |
| 1,3-Diphenyl-1,1,3,3-Tetramethyl Disiloxane |
