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2-Amino-4-sulfophenol

2-Amino-4-sulfophenol

  • 2-Hydroxy-5-sulfoaniline
  • 2-Hydroxymetanilic acid
  • 2-Aminophenol-4-sulfonic acid
  • o-Aminophenol-p-sulfonic acid
  • 2-Amino-1-phenol-4-sulfonic acid
  • 3-Amino-4-hydroxybenzenesulfonic acid
FormulaC6H7NO4S (C6H7NO4S)
Description Rhombic brown crystals.

Registry Numbers and Inventories.
CAS98-37-3
EC (EINECS/ELINCS)202-662-8
ENCS (MITI) 3-3159
Beilstein ref.4-14-00-02820
Listed on the Toxic Substancs Control Act (TSCA).
Listed on Canadian Domestic Substances List (DSL).
Listed on Australian Inventory of Chemical Substances (AICS).

Properties.
Formula mass189.18
Solubility in waterVery soluble
Acid/Base4.05 (pka)

Hazards and Protection.
Storage Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Handling All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
Respirators Wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter.
Small spills/leaks If you spill this chemical, you should dampen the solid spill material with water, then transfer the dampened material to a suitable container. Use absorbent paper dampened with water to pick up any remaining material. Seal your contaminated clothing and the absorbent paper in a vapor-tight plastic bag for eventual disposal. Wash all contaminated surfaces with a strong soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.
Stability No data.
Incompatibilities May react with strong oxidizers and mineral acids or bases.

Fire.
Fire fighting Fires involving this compound can be controlled using a dry chemical, carbon dioxide or Halon extinguisher.

Health.
Exposure effects
Ingestion
See inhalation.
Inhalation
Symptoms of exposure to this compound may include irritation of the skin, eyes and mucous membranes.
Skin
See inhalation.
First aid 
Ingestion
DO NOT INDUCE VOMITING. If the victim is conscious and not convulsing, give 1 or 2 glasses of water to dilute the chemical and IMMEDIATELY call a hospital or poison control center. Be prepared to transport the victim to a hospital if advised by a physician.
Inhalation
IMMEDIATELY leave the contaminated area; take deep breaths of fresh air. If symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop, call a physician and be prepared to transport the victim to a hospital. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA) should be used.
Skin
IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. If symptoms such as redness or irritation develop, IMMEDIATELY call a physician and be prepared to transport the victim to a hospital for treatment.


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