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Home > Encyclopedia > 2-Amino-4-methylphenol

2-Amino-4-methylphenol

2-Amino-4-methylphenol structure

2-Amino-4-methylphenol 

structure
  • CAS No:

    95-84-1

  • Formula:

    C7H9NO

  • Chemical Name:

    2-Amino-4-methylphenol

  • Synonyms:

    Phenol,2-amino-4-methyl-;p-Cresol,2-amino-;2-Amino-4-methylphenol;6-Hydroxy-m-toluidine;2-Amino-p-cresol;2-Hydroxy-5-methylaniline;1-Amino-2-hydroxy-5-methylbenzene;1-Hydroxy-2-amino-4-methylbenzene;5-Methyl-2-hydroxyaniline;4-Methyl-2-aminophenol;3-Amino-4-hydroxytoluene;4-Methyl-o-aminophenol;(2-Hydroxy-5-methylphenyl)amine;NSC 60737;NSC 7630;2-Amino-4-cresol

  • Categories:

    Organic Chemistry  >  Alcohols, Phenols, Phenol Alcohols

Description

White crystal powder


2-amino-4-methylphenol is a brown powder. (NTP, 1992)|DryPowder


2-amino-4-methylphenol is a brown powder. (NTP, 1992)

2-Amino-4-methylphenol Basic Attributes

123.15

123.15

606494

202-457-3

9ZV2574SER

60737|7630

2512

DTXSID4024488

29222900

Characteristics

46.2

1.2

Beige to gray-brown Flakes or Crystalline Powder

1.157 g/cm3

136 °C

Sublimes (NTP, 1992)

98.6ºC

slightly soluble

Store below +30°C.

Reference value: peritoneal-mouse LD50: 680 mg/kg

Flammable; burning produces toxic nitrogen oxide fumes

It may be sensitive to prolonged exposure to air. Insoluble in water.

Phenols and Cresols

2-AMINO-4-METHYLPHENOL reacts with strong oxidizing agents. (NTP, 1992)

Safety Information

III

6.1

NONH for all modes of transport

2

36/37/38

26-36-37/39

SJ6078000

Xi

Warehouse ventilated, low temperature and dry

Stable under normal temperatures and pressures.

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

H302

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

|Warning|H302 (12.9%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 94 companies from 10 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Fires involving this compound can be extinguished using a dry chemical, carbon dioxide or Halon extinguisher. (NTP, 1992)

Excerpt from ERG Guide 152 [Substances - Toxic (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: Should a spill occur while you are handling this chemical, FIRST REMOVE ALL SOURCES OF IGNITION, then you should dampen the solid spill material with 60-70% ethanol and transfer the dampened material to a suitable container. Use absorbent paper dampened with 60-70% ethanol to pick up any remaining material. Seal the absorbent paper, and any of your clothes, which may be contaminated, in a vapor-tight plastic bag for eventual disposal. Solvent wash all contaminated surfaces with 60-70% ethanol 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)

Toxicity

moderately toxic

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. When heated to decomposition it emits toxic fumes. (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-methylphenol

2-Amino-4-methylphenol Use and Manufacturing

Methods of Manufacturing

The o-nitro-p-cresol is obtained by reduction with alkali sulfide or catalytic hydrogenation. Starting from the nitration of p-cresol, the raw material consumption quota: 963kg/t of p-cresol industrial products, 661kg/t of nitric acid (96%), 2127kg/t of sulfuric acid (92.5%), 2425kg/t of soda sulfide (60%), and 20kg/t of soda ash t.

Uses

Dye intermediate, used in the production of fluorescent whitening agent DT.


Intermediates


Photographic supplies, film, and photo chemicals

Production

25,000 - 100,000 lb

Photographic film paper, plate, and chemical manufacturing|Phenol, 2-amino-4-methyl-: ACTIVE

Computed Properties

Molecular Weight:123.15
XLogP3:1.2
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:2
Exact Mass:123.068413911
Monoisotopic Mass:123.068413911
Topological Polar Surface Area:46.2
Heavy Atom Count:9
Complexity:94.9
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

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