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2-Amino-4,6-dichlorophenol

2-Amino-4,6-dichlorophenol

  • 4,6-Dichloro-o-aminophenol
  • 2,4-Dichloro-6-aminophenol
  • 4,6-Dichloro-2-aminophenol
FormulaC6H5Cl2NO (C6H5Cl2NO)
Description Long needles (from carbon disulfide).
Uses Important azo-dye intermediate.

Registry Numbers and Inventories.
CAS527-62-8
EC (EINECS/ELINCS)208-421-3
ENCS (MITI) 3-990X
RTECSSJ5774000
RTECS class Mutagen (M)
Merck12,457
Beilstein ref.4-13-00-00889

Properties.
Formula mass178.02
Melting point, °C109
Sublimation temperature,°C70
Solubility in waterInsoluble
Acid/Base7.85 (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, FIRST REMOVE ALL SOURCES OF IGNITION, then dampen the solid spill material with toluene, then transfer the dampened material to a suitable container. Use absorbent paper dampened with toluene to pick up any remaining material. Your contaminated clothing and absorbent paper should be sealed in a vapor-tight plastic bag for eventual disposal. Solvent-wash all contaminated surfaces with toluene followed by washing with a 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 material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher.
Fire potential This material is probably combustible.

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. Phenols are very toxic poisons AND corrosive and irritating, so that inducing vomiting may make medical problems worse. IMMEDIATELY call a hospital or poison control center and locate activated charcoal, egg whites, or milk in case the medical advisor recommends administering one of them. If advice from a physician is not readily available and the victim is conscious and not convulsing, give the victim a glass of activated charcoal slurry in water or, if this is not available, a glass of milk, or beaten egg whites and IMMEDIATELY transport victim to a hospital. If the victim is convulsing or unconscious, do not give anything by mouth, assure that the victim's airway is open and lay the victim on his/her side with the head lower than the body. DO NOT INDUCE VOMITING. IMMEDIATELY transport the victim to a hospital.
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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