基础信息
Material Safety Data Sheet
Section 1. Identi?cation of the substance
Product Name: Methanedisulfonic acid
Synonyms:
Section 2. Hazards identi?cation
Harmful by inhalation, in contact with skin, and if swallowed.
Section 3. Composition/information on ingredients.
Ingredient name: Methanedisulfonic acid
CAS number: 503-40-2
Section 4. First aid measures
Skin contact: Immediately wash skin with copious amounts of water for at least 15 minutes while removing
contaminated clothing and shoes. If irritation persists, seek medical attention.
Eye contact: Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate
?ushing of the eyes by separating the eyelids with ?ngers. If irritation persists, seek medical
attention.
Inhalation: Remove to fresh air. In severe cases or if symptoms persist, seek medical attention.
Ingestion: Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.
Section 5. Fire ?ghting measures
In the event of a ?re involving this material, alone or in combination with other materials, use dry
powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus
should be worn.
Section 6. Accidental release measures
Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national
standards.
Respiratory precaution: Wear approved mask/respirator
Hand precaution: Wear suitable gloves/gauntlets
Skin protection: Wear suitable protective clothing
Eye protection: Wear suitable eye protection
Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container
for disposal. See section 12.
Environmental precautions: Do not allow material to enter drains or water courses.
Section 7. Handling and storage
Handling: This product should be handled only by, or under the close supervision of, those properly quali?ed
in the handling and use of potentially hazardous chemicals, who should take into account the ?re,
health and chemical hazard data given on this sheet.
Store in closed vessels.
Storage:
Section 8. Exposure Controls / Personal protection
Engineering Controls: Use only in a chemical fume hood.
Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles.
General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse.
Section 9. Physical and chemical properties
Appearance: Not speci?ed
Boiling point: No data
No data
Melting point:
Flash point: No data
Density: No data
Molecular formula: CH4O6S2
Molecular weight: 176.2
Section 10. Stability and reactivity
Conditions to avoid: Heat, ?ames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, sulfur oxides.
Section 11. Toxicological information
No data.
Section 12. Ecological information
No data.
Section 13. Disposal consideration
Arrange disposal as special waste, by licensed disposal company, in consultation with local waste
disposal authority, in accordance with national and regional regulations.
Section 14. Transportation information
Non-harzardous for air and ground transportation.
Section 15. Regulatory information
No chemicals in this material are subject to the reporting requirements of SARA Title III, Section
302, or have known CAS numbers that exceed the threshold reporting levels established by SARA
Title III, Section 313.
SECTION 16 - ADDITIONAL INFORMATION
N/A
1158168052 
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