ChemicalBook >>Aniline-2-sulfonic acid>>Aniline-2-sulfonic acid(88-21-1)

Aniline-2-sulfonic acid(88-21-1)

Aniline-2-sulfonic acid(88-21-1)
Product IdentificationBack to Contents
【Product Name】

Aniline-2-sulfonic acid
【Synonyms】

2-Aminobenzenesulfonic acid
2-Anilinesulfonic acid
Aniline-2-sulfonic acid
Aniline-o-sulfonic acid
o-Aminobenzenesulfonic acid
o-Sulfanilic acid
【CAS】

88-21-1
【Formula】

C6H7NO3S
【Molecular Weight】

173.19
【EINECS】

201-810-9
【RTECS】

DB4727700
【RTECS Class】

Mutagen
【Merck】

12,7010
【Beilstein/Gmelin】

1309204
【Beilstein Reference】

4-14-00-02638
Physical and Chemical PropertiesBack to Contents
【Appearance】

Light brown powder.
【Solubility in water】

Very soluble
【Boiling Point】

363
【pKa/pKb】

11.55 (pKb)
【Partition Coefficient】

.39
【Heat Of Vaporization】

【Heat Of Combustion】

-3364 kJ/mol
First Aid MeasuresBack to Contents
【Ingestion】

Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
【Inhalation】

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

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

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

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】

Wash thoroughly after handling. Use only in a well ventilated area. Minimize dust generation and accumulation. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale.
Hazards IdentificationBack to Contents
【Ingestion】

The toxicological properties of this substance have not been fully investigated.
【Inhalation】

Causes irritation of mucous membrane.
【Skin】

Causes severe skin irritation.
【Eyes】

Causes severe eye irritation.
【Hazards】

When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.
【UN (DOT)】

2585
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Fire Fighting MeasuresBack to Contents
【Flash Point】

0
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Do NOT get water inside containers. For small fires, use dry chemical, carbon dioxide, or water spray. For large fires, use dry chemical, carbon dioxide, alcohol-resistant foam, or water spray. Cool containers with flooding quantities of water until well after fire is out.
【Fire Potential】

Combustible material: may burn but does not ignite readily.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions.
Stability and ReactivityBack to Contents
【Stability】

Stable under normal temperatures and pressures.
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide, nitrogen.
【Combustion Products】

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

2585
【Hazard Class】

8
【Packing Group】

III
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