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Chlorotrimethylsilane, 98%, AcroSeal™, Thermo Scientific Chemicals

Catalog Number 10433575
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100 mL
AcroSeal™ Glass bottle


This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Silylation reagent
CAS 75-77-4
Melting Point -58.0°C
Color Colorless
Density 0.8500g/mL
Boiling Point 57.0°C
Flash Point −28°C
Infrared Spectrum Authentic
Assay Percent Range 97.5% min. (GC)
Packaging AcroSeal™ Glass bottle
Molecular Formula C3H9ClSi
Linear Formula (CH3)3SiCl
Refractive Index 1.3870 to 1.3890
MDL Number MFCD00000502
Quantity 100 mL
Merck Index 15, 2180
Specific Gravity 0.85
Synonym trimethylchlorosilane, trimethylsilyl chloride, silane, chlorotrimethyl, trimethyl chlorosilane, monochlorotrimethylsilicon, tmcs, chloro trimethyl silane, silane, trimethylchloro, silicane, chlorotrimethyl, tmscl
Solubility Information Solubility in water: reacts. Other solubilities: care must be taken with ketones,soluble in benzene,ether and perchloroethylene
IUPAC Name chloro(trimethyl)silane
Molecular Weight (g/mol) 108.64
PubChem CID 6397
Viscosity 0.34 mPa.s (25°C)
Formula Weight 108.64
Percent Purity 98%
Physical Form Liquid
Chemical Name or Material Chlorotrimethylsilane
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Product Identifier
  • Chlorotrimethylsilane
Signal Word
  • Danger
Hazard Category
  • Acute toxicity Category 3
  • Acute toxicity Category 4
  • Serious eye damage/eye irritation Category 1
  • Flammable liquid Category 2
  • Skin corrosion/irritation Category 1 A
Hazard Statement
  • H318-Causes serious eye damage.
  • H314-Causes severe skin burns and eye damage.
  • H301-Toxic if swallowed.
  • H312-Harmful in contact with skin.
  • H332-Harmful if inhaled.
  • H225-Highly flammable liquid and vapour.
  • EUH014-Reacts violently with water.
  • EUH071-Corrosive to the respiratory tract.
Precautionary Statement
  • P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P240-Ground/bond container and receiving equipment.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P301+P310-IF SWALLOWED: Immediately call a POISON CENTER/doctor /
  • P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
  • P302+P352-IF ON SKIN: Wash with plenty of water/.
  • P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P310-Immediately call a POISON CENTER/doctor/.
  • P402+P404-Store in a dry place. Store in a closed container.

RUO – Research Use Only

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