129925

Methyl methanesulfonate

99%

• Synonym(s): Methanesulfonic acid methyl ester
• Linear Formula: CH₃SO₃CH₃
• CAS Number: 66-27-3
• Molecular Weight: 110.13
• Beilstein: 1098586
• EC Number: 200-625-0
• MDL number: MFCD00007557
• PubChem Substance ID: 24847934
• NACRES: NA.22

Properties

• Quality Level: 100
• assay: 99%
• form: liquid
• refractive index: n20/D 1.414 (lit.)
• bp: 202-203 °C (lit.)
• density: 1.3 g/mL at 25 °C (lit.)
• SMILES string: COS(C)(=O)=O
• InChI: 1S/C2H6O3S/c1-5-6(2,3)4/h1-2H3
• InChI key: MBABOKRGFJTBAE-UHFFFAOYSA-N

Description

Packaging

5, 25, 100 g in glass bottle

Principle

DNA adduct; adds methyl groups to DNA at 7-guanine preferentially, but also 3-adenine and 3-guanine.

Safety Information

• Pictograms: GHS06,GHS08,GHS09
• Signal Word: Danger
• Hazard Statements: H301 - H315 - H319 - H334 - H340 - H351 - H361fd - H373 - H411
• Precautionary Statements: P201 - P273 - P301 + P310 - P302 + P352 - P304 + P340 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Oral - Aquatic Chronic 2 - Carc. 2 - Eye Irrit. 2 - Muta. 1B - Repr. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT RE 2 Inhalation
• Target Organs: Lungs
• Storage Class Code: 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 3
• Flash Point(F): 219.2 °F - closed cup
• Flash Point(C): 104 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves