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Home > Encyclopedia > 2-Amino-4,6-dichlorophenol

2-Amino-4,6-dichlorophenol

2-Amino-4,6-dichlorophenol structure

2-Amino-4,6-dichlorophenol 

structure
  • CAS No:

    527-62-8

  • Formula:

    C6H5Cl2NO

  • Chemical Name:

    2-Amino-4,6-dichlorophenol

  • Synonyms:

    Phenol,2-amino-4,6-dichloro-;2-Amino-4,6-dichlorophenol;2,4-Dichloro-6-aminophenol;4,6-Dichloro-o-aminophenol;4,6-Dichloro-2-aminophenol;6-Amino-2,4-dichlorophenol;NSC 658464;2-Amino-4,6-dichloro-1-hydroxybenzene

  • Categories:

    Organic Chemistry  >  Alcohols, Phenols, Phenol Alcohols

Description

Off-white or light brown crystals


Long needles (from carbon disulfide). Sublimes (at 0.06 mm Hg) at 158-176°F. (NTP, 1992)


Long needles (from carbon disulfide). Sublimes (at 0.06 mm Hg) at 158-176°F. (NTP, 1992)

2-Amino-4,6-dichlorophenol Basic Attributes

178.02

178.02

208-421-3

ES86DYT9KH

658464

2811

2922299090

Characteristics

46.2

2.3

Yellow to brown Solid

1.6±0.1 g/cm3

95.5 °C

286.5±40.0°C at 760 mmHg

127.1±27.3 °C

1.661

Flammable; burning produces toxic nitrogen oxides and chloride fumes

May be sensitive to prolonged exposure to air/or light.

Phenols and Cresols

2-AMINO-4,6-DICHLOROPHENOL may react with strong oxidizers and mineral acids or bases (NTP, 1992).

Safety Information

6.1

2811

SJ5774000

Warehouse ventilated, low temperature and dry

Irritant

P261, P264, P270, P271, P280, P301+P310, P302+P352, P304+P340, P305+P351+P338, P311, P312, P321, P322, P330, P332+P313, P337+P313, P361, P362, P363, P403+P233, P405, P501

H301

Flash point data for this chemical are not available. It is probably combustible. (NTP, 1992)

Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. (NTP, 1992)

Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]: As an immediate precautionary measure, isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids. SPILL: Increase, in the downwind direction, as necessary, the isolation distance shown above. FIRE: If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2016)

SMALL SPILLS AND LEAKAGE: 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. STORAGE PRECAUTIONS: You should store this material in a refrigerator. (NTP, 1992)

RECOMMENDED RESPIRATOR: Where the neat test chemical is weighed and diluted, 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. (NTP, 1992)

Drug Information

SYMPTOMS: Symptoms of exposure to this compound may include irritation of the skin, eyes and mucous membranes. ACUTE/CHRONIC HAZARDS: This compound is a local irritant. (NTP, 1992)

EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop. 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. 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; if not available, use a level of protection greater than or equal to that advised under Protective Clothing. 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. (NTP, 1992)

2-amino-4,6-dichlorophenol

2-Amino-4,6-dichlorophenol Use and Manufacturing

Methods of Manufacturing

To a suspension of 2, 4-dichloro-6-nitrophenol (60.0 g, 288 mmol) in ethanol (250 mL) and water (250 mL) was added portionwise sodium hydrosulfite (251 g, 1.44 mmol). The mixture was stirred at 65°C for 4 h. The mixture was concentrated in vacuo, diluted with saturated aqueous sodium hydrogen carbonate solution (500 mL) , extracted with ethyl acetate (200 mL X 4 ) and washed with brine. The organic layer was dried over anhydrous magnesium sulfate, filtered, and concentrated in vacuo. The residue was purified by flash column chromatography on silica gel EPO

Uses

Organic intermediates.

Computed Properties

Molecular Weight:178.01
XLogP3:2.3
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:2
Exact Mass:176.9748192
Monoisotopic Mass:176.9748192
Topological Polar Surface Area:46.2
Heavy Atom Count:10
Complexity:122
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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