80-10-4
Dichlorodiphenylsilane
CAS: 80-10-4
Molecular Formula: C12H10Cl2Si
80-10-4 - Names and Identifiers
| Name | Dichlorodiphenylsilane |
| Synonyms | CD5950 Dichlor-difenylsilan dichlor-difenylsilane dichlorodiphenyl-silan Dichlorodiphenylsilane Diphenyldichlorosilane dichlorodiphenyl-silane Diphenylsilyl dichloride Diphenyl dichlorosilicane Diphenyldichlorosilane, Dow Corning(R) product Z-1223 |
| CAS | 80-10-4 |
| EINECS | 201-251-0 |
| InChI | InChI=1/C12H10.Cl2H2Si/c1-3-7-11(8-4-1)12-9-5-2-6-10-12;1-3-2/h1-10H;3H2 |
80-10-4 - Physico-chemical Properties
| Molecular Formula | C12H10Cl2Si |
| Molar Mass | 253.2 |
| Density | 1.204g/mLat 25°C(lit.) |
| Melting Point | -22 °C |
| Boling Point | 305°C(lit.) |
| Flash Point | 316°F |
| Water Solubility | DECOMPOSES |
| Vapor Presure | 2 mm Hg ( 125 °C) |
| Vapor Density | >1 (vs air) |
| Appearance | Liquid |
| Specific Gravity | 1.221 |
| Color | Clear colorless to yellow |
| BRN | 609882 |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Moisture sensitive. Flammable. Incompatible with strong oxidizing agents. |
| Sensitive | Moisture Sensitive |
| Refractive Index | n20/D 1.578(lit.) |
| Physical and Chemical Properties | Colorless flammable liquid. melting point -22 ℃ boiling point 302~305 ℃ relative density 1.2216 refractive index 1.5819 flash point 142.2 ℃ |
| Use | Used as a raw material for silicone oil and silicone resin |
80-10-4 - Risk and Safety
| Risk Codes | R34 - Causes burns R24 - Toxic in contact with skin R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S28A - |
| UN IDs | UN 1769 8/PG 2 |
| WGK Germany | 1 |
| RTECS | VV3190000 |
| FLUKA BRAND F CODES | 10-21 |
| TSCA | Yes |
| HS Code | 29310095 |
| Hazard Class | 8 |
| Packing Group | II |
80-10-4 - Upstream Downstream Industry
| Raw Materials | Fumes, silica |
| Downstream Products | Diphenyldimethoxysilane |
80-10-4 - Nature
Open Data Verified Data
colorless flammable liquid, relative density 1. 2216. Refractive index 5819. Boiling point 302~305 deg C. Melting Point -22 °c. Flash point 142.2 °c. Water is susceptible to hydrolysis, and the release of hydrogen chloride.
Last Update：2024-01-02 23:10:35
80-10-4 - Use
Open Data Verified Data
This product is mainly used for the production of silicone resin, diphenyl Silicon glycol and methyl phenyl silicone oil. See phenyltrichlorosilane for the process and others.
Last Update：2022-01-01 10:54:18
80-10-4 - Reference Information
| LogP | 2 |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | used as raw material for silicone oil and silicone resin used for synthesis of high molecular aryl silicon compounds used for production of silicone resin, diphenylsilyl dileaven and methyl phenyl silicone oil. |
| production method | chlorobenzene and silicon powder in the presence of copper catalyst, one-step direct synthesis of crude monomer, the products trichlorophenylsilane and dichlorodiphenylsilane were obtained by distillation. The crude monomer composition is typically 30% trichlorophenylsilane and 8% dichlorodiylsilane. Raw material consumption quota (per ton of trichlorophenylsilane): chlorobenzene (98%)2487kg/t, silicon powder (96%)290kg/t, cuprous chloride (95%)179kg/t. |
| category | corrosive article |
| toxicity grade | high toxicity |
| Acute toxicity | Skin-rabbit LD50: 120 μg/kg |
| stimulation data | Skin-rabbits 20 mg/24 h moderate; eye-rabbit 5 mg/24 h severe |
| flammability hazard characteristics | Thermal decomposition or toxic chloride gas in contact with water or acid |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; Stored separately from oxidants and acids; Moisture-proof |
| extinguishing agent | Sand, dry stone, carbon dioxide |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:21:28
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