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1,2-Ethanedisulfonic acid(110-04-3)

1,2-Ethanedisulfonic acid(110-04-3)
Product IdentificationBack to Contents
【Product Name】

1,2-Ethanedisulfonic acid
【Synonyms】

Allergosil
Ethane-1,2-disulfonic acid
Ethylenedisulfonic acid
【CAS】

110-04-3
【Formula】

C2H6O6S2
【Molecular Weight】

190.2
【EINECS】

203-732-0
【Merck】

12,3769
【Beilstein/Gmelin】

1781377
【Beilstein Reference】

4-04-00-00078
Physical and Chemical PropertiesBack to Contents
【Solubility in water】

Very soluble
【Melting Point】

172 - 174
【Boiling Point】

394
【Partition Coefficient】

-1.88
【Usage】

Base in hypnotics, sedatives.
First Aid MeasuresBack to Contents
【Ingestion】

If swallowed, wash out mouth with water provided person is conscious. Call a physician immediately.
【Inhalation】

If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
【Skin】

Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.
【Eyes】

Assure adequate flushing of the eyes by separating the eyelids with fingers.
Handling and StorageBack to Contents
【Storage】

Keep tightly closed. Store in a cool dry place.
Hazards IdentificationBack to Contents
【Inhalation】

TOXIC; inhalation, ingestion, or skin contact with material may cause severe injury or death. Effects of contact or inhalation may be delayed.
【Skin】

Contact with molten substance may cause severe burns to skin and eyes. See Inhalation.
【Eyes】

See Inhalation.
【Ingestion】

See Inhalation.
【Hazards】

Emits toxic fumes under fire conditions.
【EC Risk Phrase】

34
【EC Safety Phrase】

26 27 36/37/39 45
【UN (DOT)】

3261
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing. Faceshield (8-inch minimum).
【Respirators】

Wear positive pressure self-contained breathing apparatus (SCBA).
【Exposure Effects】

Corrosive. Causes burns.
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

Extinguish using Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
【Fire Potential】

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Cover with dry lime or soda ash, pick up, keep in a closed container, and hold for waste disposal. Ventilate area and wash spill site after material pickup is complete.
Stability and ReactivityBack to Contents
【Stability】

Stable at normal temperatures and pressures.
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

Carbon monoxide, Carbon dioxide, Sulfur oxides.
【Combustion Products】

Fire may produce irritating, corrosive and/or toxic gases.
Transport InformationBack to Contents
【UN Number】

3261
【Hazard Class】

8
【Packing Group】

II
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