ChemicalBook >>3,5-Diiodosalicylic acid>>2-Hydroxy-3,5-diiodobenzoic acid(133-91-5)

2-Hydroxy-3,5-diiodobenzoic acid(133-91-5)

2-Hydroxy-3,5-diiodobenzoic acid(133-91-5)
Product IdentificationBack to Contents
【Product Name】

2-Hydroxy-3,5-diiodobenzoic acid
【Synonyms】

2-Hydroxy-3,5-diiodobenzenecarboxylic acid
2-Hydroxy-3,5-diiodobenzoic acid
3,5-Diiodo-2-hydroxybenzoic acid
【CAS】

133-91-5
【Formula】

C7H4I2O3
【Molecular Weight】

389.91
【EINECS】

205-124-0
【RTECS】

VO2800000
【RTECS Class】

Agricultural Chemical and Pesticide; Drug
【Merck】

13,3212
【Beilstein/Gmelin】

2615358
【Beilstein Reference】

4-10-00-00226
【EC Class】

irritant
Physical and Chemical PropertiesBack to Contents
【Appearance】

White to cream powder.
【Solubility in water】

Insoluble
【Boiling Point】

381
【Vapor Pressure】

2E-6 (25 C)
【pKa/pKb】

2.07 (pKa)
【Partition Coefficient】

4.56
【Heat Of Vaporization】

66.4 kJ/mol
【Heat Of Combustion】

-2930 kJ/mol
【Usage】

Used as an iodine source in foods.
First Aid MeasuresBack to Contents
【Ingestion】

Never give anything by mouth to an unconscious person. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Get medical aid if irritation or symptoms occur.
【Inhalation】

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

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

Immediately 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】

Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Hazards IdentificationBack to Contents
【Inhalation】

May cause respiratory tract irritation.
【Skin】

Causes skin irritation.
【Eyes】

Causes eye irritation.
【Ingestion】

May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed. Chronic ingestion of iodides during pregnancy has resulted in fetal death, severe goiter, and cretinoid appearance of the newborn.
【EC Risk Phrase】

R 22 36/37/38
【EC Safety Phrase】

S 26 36/37/39
【UN (DOT)】

2811
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 and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
【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.
【Exposure Effects】

Chronic ingestion of iodides during pregnancy has resulted in fetal death, severe goiter and cretinoid appearance of the newborn..
Fire Fighting MeasuresBack to Contents
【Flash Point】

184
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Use agent most appropriate to extinguish fire.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Stability and ReactivityBack to Contents
【Stability】

Stable under normal temperatures and pressures.
【Incompatibilities】

Strong oxidizing agents - strong bases.
【Decomposition】

Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, hydrogen iodide.
Transport InformationBack to Contents
【UN Number】

2811
【HS Code】

2918 29 90
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