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CAS RN: 2373-51-5 | Product Number: C0608

Chloromethyl Methyl Sulfide

Purity: >97.0%(GC)
  • Chlorodimethyl Sulfide
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Product Number C0608
Purity / Analysis Method >97.0%(GC)
Molecular Formula / Molecular Weight C__2H__5ClS = 96.57  
Physical State (20 deg.C) Liquid
Storage Temperature 0-10°C
Store Under Inert Gas Store under inert gas
Condition to Avoid Air Sensitive,Heat Sensitive
CAS RN 2373-51-5
Reaxys Registry Number 1730851
PubChem Substance ID 87565704
SDBS (AIST Spectral DB) 4278
MDL Number


Appearance Colorless to Light yellow to Light orange clear liquid
Purity(GC) min. 97.0 %
Properties (reference)
Boiling Point 106 °C
Flash point 17 °C
Specific Gravity (20/20) 1.17
Refractive Index 1.50
Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
H225 : Highly flammable liquid and vapour.
Precautionary Statements P210 : Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233 : Keep container tightly closed.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
Related Laws: / Compliance with laws, Regulations
Enzyme Commission 219-148-4
RTECS# WQ3700000
Transport Information:
UN Number UN1993
Class 3
Packing Group II
HS Number 2930909899
MTM(Methylthiomethyl) Protection of Alcohols using Chlorodimethyl Sulfide and Sodium Iodide


Protection for the Hydroxyl Group, Including 1,2- and 1,3-Diols

P. G. M. Wuts, in Greene’s Protective Groups in Organic Synthesis, 5th ed., ed. by P. G. M. Wuts, John Wiley & Sons, Inc., Hoboken, New Jersey, 2014, Chap. 2, 17.

Protection of Hydroxy Groups

Protection of primary hydroxyl groups as methylthiomethyl ethers

E. J. Corey, M. G. Bock, Tetrahedron Lett. 1975, 16, 3269.

A mild and convenient method for the preparation of methylthiomethyl ethers: protection of hydroxyl groups

K. Suzuki, J. Inanaga, M. Yamaguchi, Chem. Lett. 1979, 8, 1277.

PubMed Literature

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