ChemicalBook >>2,5-Dihydroxy-1,4-dithiane>>4-Dithiane-2,5-diol(40018-26-6)

4-Dithiane-2,5-diol(40018-26-6)

4-Dithiane-2,5-diol(40018-26-6)
Product IdentificationBack to Contents
【Product Name】

4-Dithiane-2,5-diol
【Synonyms】

2,5-Dihydroxy-1,4-dithiane
Mercaptoacetaldehyde dimer
p-Dithiane-2,5-diol
【CAS】

40018-26-6
【Formula】

C4H8O2S2
【Molecular Weight】

152.24
【EINECS】

254-751-6
【Beilstein/Gmelin】

104402
【Beilstein Reference】

4-01-00-03966
【EC Class】

harmful
Physical and Chemical PropertiesBack to Contents
【Appearance】

White to light yellow crystalline powder. With a stench.
【Solubility in water】

Soluble
【Melting Point】

110
【Boiling Point】

285
【pKa/pKb】

12.04 (pKa)
【Partition Coefficient】

.99
First Aid MeasuresBack to Contents
【Ingestion】

Induce vomiting. Get medical aid. Wash mouth out with water.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
【Eyes】

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Handling and StorageBack to Contents
【Storage】

Store in a tightly closed container. Store in a dry area. Refrigerator (approx 4 C).
【Handling】

Use with adequate ventilation. Avoid contact with skin and eyes. Do not breathe dust, vapor, mist, or gas. Take precautionary measures against static discharges.
Hazards IdentificationBack to Contents
【Ingestion】

Harmful if swallowed. May cause irritation of the digestive tract.
【Inhalation】

May cause respiratory tract irritation. May be harmful if inhaled.
【Skin】

May cause skin irritation. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material. May be harmful if absorbed through the skin.
【Eyes】

May cause eye irritation and possible damage.
【EC Risk Phrase】

R 22 41 43
【EC Safety Phrase】

S 26 36/37/39
【UN (DOT)】

3335
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Skin: Wear appropriate protective gloves and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
【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 MeasuresBack to Contents
【Autoignition】

310
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. This material in sufficient quantity and reduced particle size is capable of creating a dust explosion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Vacuum or sweep up material and place into a suitable disposal container. Reduce airborne dust and prevent scattering by moistening with water. Avoid generating dusty conditions. Remove all sources of ignition.
Stability and ReactivityBack to Contents
【Stability】

No data.
【Incompatibilities】

Strong oxidizing agents, acids, bases.
【Decomposition】

Carbon monoxide, oxides of sulfur, carbon dioxide.
Transport InformationBack to Contents
【UN Number】

3335
【HS Code】

2934 99 90
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