Methanesulfonyl chloride, 99.5%, Thermo Scientific Chemicals

Product Code	Brand	Quantity	Packaging
10735961	Thermo Scientific Acros 125641000	100 mL	Glass bottle
10561751	Thermo Scientific Acros 125642500	250 mL	Glass bottle
16274641	Thermo Scientific Acros 125645000	500 mL	Glass bottle
10561561	Thermo Scientific Acros 125640010	1 L	Glass bottle
11916993	Thermo Scientific Acros 125640025	2.5 L	Glass Bottle

Description

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.

Chemical Identifiers

• CAS: 124-63-0
• Molecular Weight (g/mol): 114.54
• InChI Key: QARBMVPHQWIHKH-UHFFFAOYSA-N
• PubChem CID: 31297
• SMILES: CS(Cl)(=O)=O

• Molecular Formula: CH3ClO2S
• MDL Number: MFCD00007454
• Synonym: mesyl chloride, methylsulfonyl chloride, methyl sulfochloride, methanesulphonyl chloride, chloro methyl sulfone, methanesulfuryl chloride, methanesulfonic acid chloride, methyl sulfonyl chloride, chloromethyl sulfone, mesylchloride
• IUPAC Name: methanesulfonyl chloride

Specifications

• CAS: 124-63-0
• Density: 1.4800g/mL
• Flash Point: 110°C
• Assay Percent Range: 99.4% min. (GC)
• Linear Formula: CH₃SO₂Cl
• MDL Number: MFCD00007454
• Fieser: 01,662; 02,268; 04,326; 05,435; 06,362; 07,225; 11,322; 13,176; 17,180
• Specific Gravity: 1.48
• Solubility Information: Solubility in water: insoluble (reacts with water). Other solubilities: soluble in ethanol, ether, acetone and other, common organic solvents
• SMILES: CS(Cl)(=O)=O
• Molecular Weight (g/mol): 114.54
• Viscosity: 1.97 mPa.s (25°C)
• Percent Purity: 99.5%
• Chemical Name or Material: Methanesulfonyl chloride

• Melting Point: -33.0°C
• Boiling Point: 161.0°C
• Infrared Spectrum: Authentic
• Molecular Formula: CH3ClO2S
• Refractive Index: 1.4435 to 1.4455
• Beilstein: 04,5
• Merck Index: 15,6027
• Synonym: mesyl chloride, methylsulfonyl chloride, methyl sulfochloride, methanesulphonyl chloride, chloro methyl sulfone, methanesulfuryl chloride, methanesulfonic acid chloride, methyl sulfonyl chloride, chloromethyl sulfone, mesylchloride
• InChI Key: QARBMVPHQWIHKH-UHFFFAOYSA-N
• IUPAC Name: methanesulfonyl chloride
• PubChem CID: 31297
• Formula Weight: 114.55
• Physical Form: Liquid

Safety and Handling

GHS H Statement
Toxic in contact with skin.
May cause an allergic skin reaction.
Fatal if inhaled.
Causes severe skin burns and eye damage.
Toxic if swallowed.
May cause respiratory irritation.
May be corrosive

GHS P Statement
Wear protective gloves/protective clothing/eye protection/face protection.
IF ON SKIN (or hair): Take off immediately all contaminated clothing.
Rinse skin with water/shower.
IF INHALED: Remove to fresh air and keep at

GHS Signal Word: Danger

missing translation for 'einecsNumber' : 204-706-1

Product Identifier

• Methanesulfonyl chloride

Signal Word

• Danger

Hazard Category

• Acute toxicity Category 1
• Acute toxicity Category 3
• Serious eye damage/eye irritation Category 1
• Substances and mixtures corrosive to metals Category 1
• Respiratory sensitiser Category 1
• Skin corrosion/irritation Category 1 B
• Specific target organ toxicity Category 3

Hazard Statement

• H317-May cause an allergic skin reaction.
• H318-Causes serious eye damage.
• H330-Fatal if inhaled.
• H314-Causes severe skin burns and eye damage.
• H301-Toxic if swallowed.
• H311-Toxic in contact with skin.
• H335-May cause respiratory irritation.
• H290-May be corrosive to metals.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
• P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
• 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/.

RUO – Research Use Only