Trichlorophenylsilane
Phenyltrichlorosilane
CAS: 98-13-5
Molecular Formula: C6H5Cl3Si
Trichlorophenylsilane - Names and Identifiers
| Name | Phenyltrichlorosilane |
| Synonyms | CP0280 Phenyl chloro silane Phenyltrichlorosilane Trichlorophenylsilane phenyltrichloro-silan silane,trichlorophenyl- Phenyltrichlorosilicane Silane, trichlorophenyl- Silane, phenyltrichloro- siliconphenyltrichloride Silicon phenyl trichloride |
| CAS | 98-13-5 |
| EINECS | 202-640-8 |
| InChI | InChI=1/C6H5Si.3ClH/c7-6-4-2-1-3-5-6;;;/h1-5H;3*1H/q+3;;;/p-3 |
| InChIKey | ORVMIVQULIKXCP-UHFFFAOYSA-N |
Trichlorophenylsilane - Physico-chemical Properties
| Molecular Formula | C6H5Cl3Si |
| Molar Mass | 211.55 |
| Density | 1.321g/mLat 25°C(lit.) |
| Melting Point | -127°C |
| Boling Point | 201°C(lit.) |
| Flash Point | 196°F |
| Water Solubility | reacts |
| Solubility | soluble in Chloroform,Benzene,Ether |
| Vapor Presure | 44.3Pa at 20℃ |
| Appearance | liquid |
| Specific Gravity | 1.324 |
| Color | colorless |
| BRN | 508730 |
| Sensitive | 8: reacts rapidly with moisture, water, protic solvents |
| Explosive Limit | 1.6-9.2%(V) |
| Refractive Index | n20/D 1.523(lit.) |
| Physical and Chemical Properties | Character: colorless flammable liquid. boiling point 201 ℃ relative density 1.321 refractive index 1.5240 flash point 85 ℃ soluble in benzene, ether, perchloroethylene. |
| Use | Used as the raw material of silicone oil and silicone resin, and also used in paint industry |
Trichlorophenylsilane - Risk and Safety
| Risk Codes | R21/22 - Harmful in contact with skin and if swallowed. R23 - Toxic by inhalation R34 - Causes burns R21 - Harmful in contact with skin R37 - Irritating to the respiratory system R35 - Causes severe burns R26 - Very Toxic by inhalation R14 - Reacts violently with water |
| Safety Description | S23 - Do not breathe vapour. 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.) S28 - After contact with skin, wash immediately with plenty of soap-suds. |
| UN IDs | UN 1804 8/PG 2 |
| WGK Germany | 1 |
| RTECS | VV6650000 |
| FLUKA BRAND F CODES | 10-21 |
| TSCA | Yes |
| HS Code | 29319019 |
| Hazard Class | 8 |
| Packing Group | II |
| Toxicity | LD50 orl-rat: 2390 mg/kg AMIHBC 10,61,54 |
Trichlorophenylsilane - Nature
Open Data Verified Data
colorless flammable liquid, high toxicity. Boiling Point 201 °c. The relative density was 1. 321. Refractive index 5240. Flash point 85. Soluble in benzene, ether, perchloroethylene, water, even trace water in the air, that is, the occurrence of intense hydrolysis reaction, and the release of hydrogen chloride.
Last Update：2025-06-10 22:55:16
Trichlorophenylsilane - Preparation Method
Open Data Verified Data
In the presence of copper catalyst, chlorobenzene and silicon powder are directly synthesized in one step to obtain crude monomer, and the product phenyltrichlorosilane is obtained by distillation, and the by-product diphenyldichlorosilane is obtained. The mixed monomer composition is generally 30% of phenyltrichlorosilane and 8% of diphenyldichlorosilane.
Last Update：2022-01-01 10:54:17
Trichlorophenylsilane - Application
Open Data Verified Data
This product is used to prepare phenyl silicone resin.
Last Update：2025-08-19 16:24:40
Trichlorophenylsilane - Safety
Open Data Verified Data
- This product is toxic. It has a strong stimulating effect on adipose tissue, mucosa and eyes. Production equipment should be closed, the operator should wear protective equipment.
- in the production process, the product can be transported by pipeline, and the product can be packed in polyethylene or iron barrels. Store in a cool, dry place, away from water, ammonia and fire sources. It shall be stored and transported according to the regulations on flammable and toxic dangerous goods.
Last Update：2025-06-10 22:55:16
Trichlorophenylsilane - Reference Information
| 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 materials for silicone oil and silicone resin, and also used in paint industry used in the production of phenyl-containing silicone oil, silicone resin used in the synthesis of organosilicon compounds used in the synthesis of organosilicon resin and phenyl-containing silicon compounds, is one of the most important monomers of organosilicon. Used in the production of phenyl silicone resin, used in the coating industry. |
| production method | the crude monomer is synthesized from chlorobenzene and silicon powder in the next step of Copper catalysis, and the composition is generally 30% of phenyltrichlorosilane, the diphenyldichlorosilane was 8%, and the two were separated by rectification. Raw material consumption quota: silicon powder (96%)290kg/t, cuprous chloride (95%)179kg/t, benzene chloride (98%)2487kg/t. |
| category | corrosive article |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 2390 mg/m3 |
| stimulation data | Skin-rabbits 5 mg/24 h severe; eye-rabbit 0.25 mg severe |
| flammability hazard characteristics | flammable; Toxic corrosive hydrogen chloride gas when exposed to water; toxic gas |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from alkali, oxidant and acid |
| extinguishing agent | dry powder, carbon dioxide |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:48:19
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