ortho-aminophenol
2-hydroxyaniline
 
Notes:
None found
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2-aminophenol (Click)
CAS Number: 95-55-6Picture of molecule
ECHA EINECS - REACH Pre-Reg: 202-431-1
FDA UNII: 23RH73DZ65
Nikkaji Web: J3.955A
Beilstein Number: 0606075
MDL: MFCD00007690
XlogP3: 0.60 (est)
Molecular Weight: 109.12799000
Formula: C6 H7 N O
BioActivity Summary: listing
NMR Predictor: Predict (works with chrome or firefox)
Category: hair dyeing agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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Physical Properties:
Appearance: white to beige crystalline powder (est)
Assay: 95.00 to 100.00 % 
Food Chemicals Codex Listed: No
Melting Point: 174.00 °C. @ 760.00 mm Hg
Boiling Point: 234.50 °C. @ 760.00 mm Hg (est)
Flash Point: 204.00 °F. TCC ( 95.60 °C. ) (est)
logP (o/w): 0.620
Soluble in:
 water, 2.00E+04 mg/L @ 20 °C (exp)
 water, 3.236e+004 mg/L @ 25 °C (est)
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Organoleptic Properties:
  
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Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: hair dyeing agents
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Suppliers:
Sigma-Aldrich
For experimental / research use only.
2-Aminophenol purum, ≥98.0% (HPLC)
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Safety Information:
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
intraperitoneal-mouse LD50  200 mg/kg
National Technical Information Service. Vol. AD691-490

oral-mouse LD50  800 mg/kg
LUNGS, THORAX, OR RESPIRATION: CYANOSIS BEHAVIORAL: TREMOR
National Technical Information Service. Vol. OTS0555965

unreported-mouse LD50  675 mg/kg
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 50(3), Pg. 4, 1985.

oral-quail LD50  316 mg/kg
Archives of Environmental Contamination and Toxicology. Vol. 12, Pg. 355, 1983.

oral-rat LD50  951 mg/kg
BEHAVIORAL: TREMOR LUNGS, THORAX, OR RESPIRATION: CYANOSIS
National Technical Information Service. Vol. OTS0555965

unreported-rat LD50  1406 mg/kg
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 50(3), Pg. 4, 1985.

intraperitoneal-rat LDLo  300 mg/kg
Archives Internationales de Pharmacodynamie et de Therapie. Vol. 131, Pg. 151, 1961.

Dermal Toxicity:
subcutaneous-cat LDLo 37 mg/kg
LUNGS, THORAX, OR RESPIRATION: CYANOSIS LUNGS, THORAX, OR RESPIRATION: DYSPNEA BEHAVIORAL: GENERAL ANESTHETIC
Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 72, Pg. 241, 1913.

skin-guinea pig LD50 > 1000 mg/kg
National Technical Information Service. Vol. OTS0555965

subcutaneous-rat LD50 37 mg/kg
Yakkyoku. Pharmacy. Vol. 32, Pg. 1093, 1981.

Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: hair dyeing agents
Recommendation for ortho-aminophenol usage levels up to:
 not for fragrance use.
 
Recommendation for ortho-aminophenol flavor usage levels up to:
 not for flavor use.
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Safety References:
EPI System: View
NIOSH International Chemical Safety Cards: search
NLM Hazardous Substances Data Bank: Search
Chemical Carcinogenesis Research Information System: Search
Cancer Citations: Search
Toxicology Citations: Search
EPA GENetic TOXicology: Search
Env. Mutagen Info. Center: Search
EPA Substance Registry Services (TSCA): 95-55-6
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 5801
National Institute of Allergy and Infectious Diseases: Data
SCCNFP: opinion
WGK Germany: 2
 2-aminophenol
Chemidplus: 0000095556
EPA/NOAA CAMEO: hazardous materials
RTECS: 95-55-6
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References:
 2-aminophenol
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 95-55-6
Pubchem (cid): 5801
Pubchem (sid): 134971885
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (pdf)
Videos: The Periodic Table of Videos
tgsc: Atomic Weights use for this web site
(IUPAC): Periodic Table of the Elements
CHEBI: View
CHEMBL: View
Golm Metabolome Database: Search
Metabolomics Database: Search
UM BBD: Search
KEGG (GenomeNet): C01987
HMDB (The Human Metabolome Database): Search
Export Tariff Code: 2922.29.5090
Haz-Map: View
Household Products: Search
ChemSpider: View
Wikipedia: View
RSC Learn Chemistry: View
Formulations/Preparations:
grades: technical; 99% minimum.
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Potential Blenders and core components note
 
None Found
 
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Potential Uses:
 hair dyeing agents 
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Occurrence (nature, food, other): note
 not found in nature
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Synonyms:
o-amino phenol
2-amino-1-hydroxybenzene
1-amino-2-hydroxybenzene
2-aminobenzenol
2-aminophenol
o-aminophenol
o-aminophenol [UN2512] [Poison]
 c.i. 76520
 C.I. oxidation base 17
 ci 76520
 CI oxidation base 17
1-hydroxy-2-aminobenzene
2-hydroxyaniline
o-hydroxyaniline
o-hydroxyphenylamine
 phenol, 2-amino-
 phenol, o-amino-
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