Basic information
- Name:
Silane,chlorotrimethyl-
- Superlist Name:
- Chlorotrimethylsilane
- CAS No.:
75-77-4
- Molecular Structure:

- Formula:
- C3H9ClSi
- Molecular Weight:
- 108.66
- Deleted CAS:
- 127290-36-2|36642-33-8
- Synonyms:
- KA 31;KA 31 (silane);Monochlorotrimethylsilane;Monochlorotrimethylsilicon;NSC 15750;TMCS;TSL 8031;Trimethylchlorosilane;Trimethylsilicon chloride;Trimethylsilyl chloride;Trimethyl Chlorosilane;Trimethylchlorosilane(TMCS);
- EINECS:
- 200-900-5
- Density:
- 0.868 g/cm3
- Melting Point:
- -40 °C(lit.)
- Boiling Point:
- 58.737 °C at 760 mmHg
- Flash Point:
- -18 °C
- Solubility:
- reacts with water
- Appearance:
- colourless liquid
- Hazard Symbols:
F,
C- Risk Codes:
- 20/21-36/38-34-21-14-11-37-35-19-40-10
- Safety Description:
- 26-36/37/39-45-16-36/37 Details
- Transport Information:
- UN 2924 3/PG 2
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*Required Fields
Chemistry
Molar mass:108.64 g/mol
Density:0.856 g/cm3, liquid
Melting point:-40 °C (233.2 K)
Boiling point:57 °C (330.2 K)
Solubility:in WATER reacts
Appearance:Colorless liquid, fumes in moist air
Chlorotrimethylsilane's Storage:Store in a cool, dry well-ventilated location, away from any area where the fire hazard may be acute. Outside or detached storage is preferred.
Stability: Reacts violently with WATER. Do not get WATER inside of container. Hydrochloric Acid is liberated on contact with moisture or heat.
Toxicity Data With Reference
Chlorotrimethylsilane's toxicity information:
Skin Contact:
Severe burns may occur from even a short time of contact. May be absorbed through the skin.
Eye Contact:
Eye contact produces severe burns, pain, swelling, corneal erosions and possibly blindness.
Inhalation:
Corrosive. Extremely destructive to tissues of the mucous membranes and upper respiratory tract. Symptoms may include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting. Inhalation may be fatal as a result of spasm inflammation and edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema.
Ingestion:
Corrosive. Swallowing can cause severe burns of the mouth, throat, and stomach, leading to death. Can cause sore throat, vomiting, diarrhea.
Safety Profile
In case of contact, immediately flush skin with plenty of WATER for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Thoroughly clean shoes before reuse. Get medical attention immediately.
Eye Contact:
Immediately flush eyes with plenty of WATER for at least 15 minutes, lifting lower and upper eyelids occasionally. Get medical attention immediately.

