| Product Identification | Back to Contents | 【Product Name】
Methyl methanesulfonate | 【Synonyms】
as-Dimethyl sulfite
as-Dimethyl sulphite
Methyl mesylate
Methyl methanesulfonic acid
Methylmethane sulfonate
Methylmethanesulphonate | 【CAS】
66-27-3 | 【Formula】
C2H6O3S | 【Molecular Weight】
110.12 | 【EINECS】
200-625-0 | 【RTECS】
PB2625000 | 【RTECS Class】
Agricultural Chemical and Pesticide; Tumorigen; Drug; Mutagen; Reproductive Effector | 【Merck】
12,6170 | 【Beilstein/Gmelin】
1098586 | 【Beilstein Reference】
4-04-00-00011 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Colorless to amber liquid. | 【Solubility in water】
Very soluble | 【Melting Point】
20 | 【Boiling Point】
203 | 【Vapor Pressure】
0.42 (25 C) | 【Density】
1.3206 g/cm3 (0 C) | 【Partition Coefficient】
-.57 | 【Heat Of Vaporization】
42.0 kJ/mol | 【Usage】
Research chemical. | 【Refractive Index】
1.41248 (16.2 C) |
| First Aid Measures | Back to Contents | 【Ingestion】
Do NOT induce vomiting. Allow the victim to rinse his mouth and then to drink 2-4 cupfuls of water, and seek medical advice. | 【Inhalation】
Remove from exposure to fresh air immediately. | 【Skin】
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. | 【Eyes】
First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop. |
| Handling and Storage | Back to Contents | 【Storage】
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage. | 【Handling】
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood. |
| Hazards Identification | Back to Contents | 【Ingestion】
See inhalation. | 【Inhalation】
Symptoms of exposure to this compound may include irritation of the eyes, skin, mucous membranes, nose and respiratory tract. It can cause dermatitis and nausea. Large doses ingested over nearly a year produced gastrointestinal and hepatic toxic effects. | 【Skin】
See inhalation. | 【Eyes】
See inhalation | 【Hazards】
Contact with metals may evolve flammable hydrogen gas. | 【UN (DOT)】
2922 |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
If Tyvek-type disposable protective clothing is not worn during handling of this chemical, wear disposable Tyvek-type sleeves taped to your gloves. | 【Respirators】
Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions. |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
104 | 【Fire Fighting】
Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. | 【Fire Potential】
This chemical is combustible. |
| Stability and Reactivity | Back to Contents | 【Stability】
Stable under normal temperatures and pressures. | 【Incompatibilities】
Strong oxidizing agents - strong acids - strong bases. | 【Decomposition】
Carbon monoxide, oxides of sulfur, carbon dioxide. | 【Combustion Products】
Fire may produce irritating, corrosive and/or toxic gases. |
|
| Company Name: |
J & K SCIENTIFIC LTD. |
| Tel: |
010-82848833 400-666-7788 |
| Fax: |
86-10-82849933 |
| WebSite: |
http://www.jkchemical.com |
| Company Name: |
Alfa Aesar |
| Tel: |
400-6106006 |
| Fax: |
021-67582001/03/05 |
| WebSite: |
http://chemicals.thermofisher.cn |
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