甲基三氯硅烷
Methyltrichlorosilane
CAS: 75-79-6
Molecular Formula: CH3Cl3Si
甲基三氯硅烷 - Names and Identifiers
| Name | Methyltrichlorosilane |
| Synonyms | CM9000 CH3SiCl3 Methylsilichloroform METHYLTRICHLOROSILANE Trichloromethylsilane Methyltrichlorosilane Methyltriehlorosilane methylsilyltrichloride Methyl silicochloroform METHYLSILICON TRICHLORIDE |
| CAS | 75-79-6 |
| EINECS | 200-902-6 |
| InChI | InChI=1/CCl3Si/c2-1(3,4)5/q+3 |
| InChIKey | JLUFWMXJHAVVNN-UHFFFAOYSA-N |
甲基三氯硅烷 - Physico-chemical Properties
| Molecular Formula | CH3Cl3Si |
| Molar Mass | 149.47 |
| Density | 1.273 g/mL at 25 °C (lit.) |
| Melting Point | -77 °C |
| Boling Point | 66 °C (lit.) |
| Flash Point | 5°F |
| Water Solubility | REACTS |
| Solubility | sol methylene chloride. |
| Vapor Presure | 150 mm Hg ( 25 °C) |
| Vapor Density | 5.2 (vs air) |
| Appearance | liquid |
| Specific Gravity | 1.275 |
| Color | colorless |
| BRN | 1361381 |
| Storage Condition | Flammables area |
| Stability | Stable, but reacts violently with water. Highly flammable. Incompatible with moisture, water, strong bases, strong acids, strong oxidizing agents. |
| Sensitive | Moisture Sensitive |
| Explosive Limit | 5.5-10.4%(V) |
| Refractive Index | n20/D 1.411 |
| Physical and Chemical Properties | Character: colorless liquid. boiling point 66.4 ℃ freezing point -77.8 ℃ relative density 1.070 refractive index 1.4085 flash point -13.3 ℃ |
| Use | Monomer for use as a silicone resin |
甲基三氯硅烷 - Risk and Safety
| Risk Codes | R11 - Highly Flammable R14 - Reacts violently with water R36/37/38 - Irritating to eyes, respiratory system and skin. R37 - Irritating to the respiratory system R35 - Causes severe burns R22 - Harmful if swallowed R21 - Harmful in contact with skin R20 - Harmful by inhalation |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 1250 3/PG 1 |
| WGK Germany | 1 |
| RTECS | VV4550000 |
| FLUKA BRAND F CODES | 10-21 |
| TSCA | Yes |
| HS Code | 29310095 |
| Hazard Class | 3 |
| Packing Group | I |
甲基三氯硅烷 - Upstream Downstream Industry
| Raw Materials | Fumes, silica Copper(I) chloride Copper(I) chloride Chloromethane |
| Downstream Products | Methyltriethoxysilane methyltrimethoxysilane Methyltris(methylethylketoxime)silane |
甲基三氯硅烷 - Nature
Open Data Verified Data
colorless liquid, flammable, toxic. Boiling point 66.4 °c. Freezing point 77.8. The relative density was 1. 070. Refractive index 4085. Flash point -13.3 °c. In case of moisture, it is easy to hydrolyze and release hydrochloric acid. Form an explosive mixture with air.
Last Update：2024-01-02 23:10:35
甲基三氯硅烷 - Preparation Method
Open Data Verified Data
see dimethyldichlorosilane for the preparation method and others.
Last Update：2022-01-01 10:54:12
甲基三氯硅烷 - Use
Open Data Verified Data
This product is used for the preparation of special synthetic resin, synthetic rubber, special coatings, release agent, emulsifier, Defoamer and waterproof agent.
Last Update：2022-01-01 10:54:12
甲基三氯硅烷 - Reference Information
| freezing point | -77.8 ℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Application | used as monomer of silicone resin |
| production method | The next step of direct synthesis of methyl chloride and silicon powder in the presence of cuprous chloride catalyst, the product dimethyl dichlorosilane was purified by distillation, and then separated and purified by vacuum distillation. |
| category | flammable liquid |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50:1000 mg/kg; Inhalation-mouse LC50:2572 mg/m3/2 h |
| stimulation data | eyes-severe in rabbits at 5 mg/24 h; cutaneous-rabbit 500 mg/24 h mild |
| explosive hazard characteristics | explosive when mixed with air |
| flammability hazard characteristics | flammable in case of open flame and strong oxidant; in case of high temperature or moisture decomposition of toxic gas hydrogen chloride |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; Stored separately from oxidants and acids |
| extinguishing agent | dry powder, dry sand, carbon dioxide, foam, 1211 extinguishing agent |
| Occupational Standard | TWA 705 mg/m3 |
| spontaneous combustion temperature | >760 ° F. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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Raw Materials for 甲基三氯硅烷
Downstream Products for 甲基三氯硅烷