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Home > Encyclopedia > HC Red 3

HC Red 3

HC Red 3 structure

HC Red 3 

structure
  • CAS No:

    2871-01-4

  • Formula:

    C8H11N3O3

  • Chemical Name:

    HC Red 3

  • Synonyms:

    Ethanol,2-[(4-amino-2-nitrophenyl)amino]-;Ethanol,2-(4-amino-2-nitroanilino)-;2-[(4-Amino-2-nitrophenyl)amino]ethanol;N1-(2-Hydroxyethyl)-2-nitro-p-phenylenediamine;N-(2-Hydroxyethyl)-2-nitro-p-phenylenediamine;N1-(2′-Hydroxyethyl)-2-nitro-p-phenylenediamine;HC Red No. 3;4-(2-Hydroxyethyl)amino-3-nitroaniline;HC Red 3;HC Red Number 3;2-Nitro-4-amino-1-(2-hydroxyethylamino)benzene;Red No. 3;1-[(2-Hydroxyethyl)amino]-2-nitro-4-aminobenzene;2-(4-Amino-2-nitroanilino)ethanol;2-[(4-Amino-2-nitrophenyl)amino]ethan-1-ol

  • Categories:

    Cosmetic Ingredient  >  Hair Dyeing

Description

Dark-green crystal powder


Hc red 3 appears as fine dark maroon crystals or dark brown powder. (NTP, 1992)


Hc red 3 appears as fine dark maroon crystals or dark brown powder. (NTP, 1992)|HC Red No. 3 is a C-nitro compound.

HC Red 3 Basic Attributes

197.19

197.19

220-701-7

51CPX7M1SQ

DTXSID2021236

2922199090

Characteristics

104

0.43

Hc red 3 appears as fine dark maroon crystals or dark brown powder. (NTP, 1992)

1.4±0.1 g/cm3

127 °C

459.8±35.0 °C at 760 mmHg

231.9±25.9 °C

1.697

H2O: <0.01 g/100 mL at 18 ºC

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.

2.99E-09mmHg at 25°C

Flammable; burning produces toxic nitrogen oxide fumes

Insoluble in water.

Alcohols and Polyols

A nitrated aromatic, amine, and alcohol. Amines are chemical bases. They neutralize acids to form salts plus water. These acid-base reactions are exothermic. The amount of heat that is evolved per mole of amine in a neutralization is largely independent of the strength of the amine as a base. Amines may be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen is generated by amines in combination with strong reducing agents, such as hydrides. Flammable and/or toxic gases are generated by the combination of alcohols with alkali metals, nitrides, and strong reducing agents. They react with oxoacids and carboxylic acids to form esters plus water. Oxidizing agents convert them to aldehydes or ketones. Alcohols exhibit both weak acid and weak base behavior. They may initiate the polymerization of isocyanates and epoxides.

Safety Information

KJ6500000

Warehouse ventilated, low temperature and dry

Stable. Combustible. Incompatible with strong oxidizing agents.

P261, P264, P271, P272, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P333+P313, P337+P313, P362, P363, P403+P233, P405, P501

H315

DHHS/NTP; Toxicology & Carcinogenesis Studies of HC Red No. 3 in F344/N Rats and B6C3F1 Mice (Gavage Studies) Technical Report Series No. 281 (1986) NIH Publication No. 86-2537

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

|Warning|H315 (64.94%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P272, P273, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P333+P313, P337+P313, P362, P363, P391, P403+P233, P405, and P501|Aggregated GHS information provided by 77 companies from 13 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H317: May cause an allergic skin reaction [Warning Sensitization, Skin]|P261, P272, P280, P302+P352, P321, P333+P313, P363, and P501

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

SMALL SPILLS AND LEAKAGE: If a spill of this chemical occurs, FIRST REMOVE ALL SOURCES OF IGNITION, then you should dampen the solid spill material with acetone and transfer the dampened material to a suitable container. Use absorbent paper dampened with acetone to pick up any remaining material. Seal your contaminated clothing and the absorbent paper in a vapor-tight plastic bag for eventual disposal. Solvent wash all contaminated surfaces with acetone 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 under ambient temperatures. (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

Toxicology and carcinogenesis studies of HC Red No. 3 (97% pure) ... were conducted by admin the chemical in corn oil by gavage for 105 weeks to groups of 50 male and 50 female F344/N rats and for 104 weeks to groups of 50 male and 50 female B6C3F1 mice. The dosage regimen used for rats was 0, 250, or 500 mg/kg per day and for mice, 0, 125. or 250 mg/kg per day. Doses were administered 5 days per week. ... Under the conditions of these 2-year gavage studies of HC Red No. 3, there was no evidence Or carcinogenicity for male or female F344/N rats given 250 or 500 mg/kg per day. There was equivocal evidence of carcinogenicity for male B6C3F1 mice as indicated by an increased incidence of hepatocellular adenomas or carcinomas (combined) in the 250 mg/kg dose group. Poor survival coupled with lack of significant findings rendered the study in female B6C3F1 mice an inadequate study of carcinogenicity. Both sexes of both species may have been able to tolerate higher doses of HC Red No. 3. Therefore, the sensitivity of these studies for detecting carcinogenesis may have been limited.

Drug Information

ACUTE/CHRONIC HAZARDS: When heated to decomposition this compound emits highly toxic fumes of NOx. (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. 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. If the victim is convulsing or unconscious, do not give anything by mouth, ensure 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-((4-amino-2-nitrophenyl)amino)ethanol

HC Red 3 Use and Manufacturing

Uses

Used as medicine and dye intermediate

Production

(1977) NOT PRODUCED COMMERCIALLY IN US|(1979) NOT PRODUCED COMMERCIALLY IN US

Ethanol, 2-[(4-amino-2-nitrophenyl)amino]-: ACTIVE

Cosmetics -> Hair dyeing

Computed Properties

Molecular Weight:197.19
XLogP3:0.5
Hydrogen Bond Donor Count:3
Hydrogen Bond Acceptor Count:5
Rotatable Bond Count:3
Exact Mass:197.08004122
Monoisotopic Mass:197.08004122
Topological Polar Surface Area:104
Heavy Atom Count:14
Complexity:195
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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