aminophenol

Modify Date: 2026-07-01 12:32:14

aminophenol Structure
aminophenol structure
 Common Name aminophenol
CAS Number 95-55-6 Molecular Weight 109.126
Density 1.2±0.1 g/cm3 Boiling Point 234.5±23.0 °C at 760 mmHg
Molecular Formula C6H7NO Melting Point 172 °C
MSDS Chinese USA Flash Point 95.6±22.6 °C
Symbol GHS07 GHS08
GHS07, GHS08		 Signal Word Warning

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2-aminophenol
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.2±0.1 g/cm3
Boiling Point 234.5±23.0 °C at 760 mmHg
Melting Point 172 °C
Molecular Formula C6H7NO
Molecular Weight 109.126
Flash Point 95.6±22.6 °C
Exact Mass 109.052765
PSA 46.25000
LogP 0.44
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.637
InChIKey CDAWCLOXVUBKRW-UHFFFAOYSA-N
SMILES Nc1ccccc1O
Water Solubility 17 g/L (20 ºC)

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SJ4950000
CHEMICAL NAME :
Phenol, o-amino-
CAS REGISTRY NUMBER :
95-55-6
LAST UPDATED :
199710
DATA ITEMS CITED :
19
MOLECULAR FORMULA :
C6-H7-N-O
MOLECULAR WEIGHT :
109.14
WISWESSER LINE NOTATION :
ZR BQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1300 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
300 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
37 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1406 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1250 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
675 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
37 mg/kg
TOXIC EFFECTS :
Behavioral - general anesthetic Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - cyanosis
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - quail
DOSE/DURATION :
316 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
150 mg/kg
SEX/DURATION :
female 8 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Specific Developmental Abnormalities - eye/ear
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
150 mg/kg
SEX/DURATION :
female 8 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - body wall Reproductive - Specific Developmental Abnormalities - musculoskeletal system

MUTATION DATA

TYPE OF TEST :
DNA inhibition
TEST SYSTEM :
Rodent - hamster Lung
DOSE/DURATION :
19 umol/L
REFERENCE :
CRTOEC Chemical Research in Toxicology. (American Chemical Soc., Distribution Office Dept. 223, POB 57/36, West End Station, Washington, DC 20037) V.1- 1988- Volume(issue)/page/year: 4,151,1991 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1659 No. of Facilities: 1948 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 19664 (estimated) No. of Female Employees: 14753 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07 GHS08
GHS07, GHS08
Signal Word Warning
Hazard Statements H302 + H332-H341
Precautionary Statements P261-P280-P301 + P312 + P330
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xn:Harmful
Risk Phrases R20/22;R68
Safety Phrases S28-S36/37-S28A-S45-S36/37/39-S26
RIDADR UN 2512 6.1/PG 3
WGK Germany 2
RTECS SJ4950000
Packaging Group III
Hazard Class 6.1
HS Code 29222900

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2922299090
Summary 2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Articles34

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

The EpiOcular Eye Irritation Test (EIT) for hazard identification and labelling of eye irritating chemicals: protocol optimisation for solid materials and the results after extended shipment.

Altern. Lab. Anim. 43 , 101-27, (2015)

The 7th Amendment to the EU Cosmetics Directive and the EU REACH Regulation have reinforced the need for in vitro ocular test methods. Validated in vitro ocular toxicity tests that can predict the hum...

Cellular apoptosis and cytotoxicity of phenolic compounds: a quantitative structure-activity relationship study.

J. Med. Chem. 48 , 7234-42, (2005)

In this comprehensive study on the caspase-mediated apoptosis-inducing effect of 51 substituted phenols in a murine leukemia cell line (L1210), we determined the concentrations needed to induce caspas...

Mechanistic studies of the tyrosinase-catalyzed oxidative cyclocondensation of 2-aminophenol to 2-aminophenoxazin-3-one.

Arch. Biochem. Biophys. 577-578 , 24-34, (2015)

Tyrosinase (EC 1.14.18.1) catalyzes the monophenolase and diphenolase reaction associated with vertebrate pigmentation and fruit/vegetable browning. Tyrosinase is an oxygen-dependent, dicopper enzyme ...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

o-hydroxyaniline
O-AMINOPHENOL
2-HYDROXYANILIN
Hydroxyaniline
2-AMINO PHENOL
o-Hydroxyphenylamine
2-hydroxy aniline
2-Aminophenol
Rodol 2G
MFCD00007690
2-amino-phenol
Zoba 3GA
ortho-aminophenol
Ortho Amino Phenol
1-HYDROXY-2-AMINOBENZENE
aminophenol
EINECS 202-431-1
2-AMINOPHENOL FOR SYNTHESIS
Mesalazine Impurity C
2-AMINOPHENOL/2-HYDROXYANILINE
Mesalamine Impurity C
Ursol 3GA
benzofurgg
ortho-hydroxyaniline
2-Hydroxyaniline
Orsin
1-Amino-2-hydroxybenzene
OAP
Iodoquinol Impurity 1

 aminophenol | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the InChIKey of 2-aminophenol?
A: InChIKey of 2-aminophenol is CDAWCLOXVUBKRW-UHFFFAOYSA-N.
Q: What is the boiling point of 2-aminophenol?
A: Boiling point of 2-aminophenol is 234.5±23.0 °C at 760 mmHg.
Q: What is the polar surface area (PSA) of 2-aminophenol?
A: Polar surface area (PSA) of 2-aminophenol is 46.25000.
Q: What is the safety information for 2-aminophenol?
A: Safety information for 2-aminophenol: S28-S36/37-S28A-S45-S36/37/39-S26.
Q: What is the melting point of 2-aminophenol?
A: Melting point of 2-aminophenol is 172 °C.
Q: How is the water solubility of 2-aminophenol?
A: Water solubility of 2-aminophenol: 17 g/L (20 ºC).
Q: What are the upstream materials of 2-aminophenol?
A: Related upstream materials(CAS) of 2-aminophenol: 88-75-5;5570-18-3;533-58-4;2050-14-8;36309-44-1;24541-44-4;108-95-2;615-43-0;90-04-0;69589-21-5.
Q: What are the downstream products of 2-aminophenol?
A: Related downstream products(CAS) of 2-aminophenol: 10450-11-0;106240-01-1;454-82-0;106877-48-9;109790-33-2;105147-86-2;109790-32-1;106000-38-8;109243-80-3;111836-60-3.
Q: What is the molecular formula of 2-aminophenol?
A: Molecular formula of 2-aminophenol is C6H7NO.
Q: What is the molecular weight of 2-aminophenol?
A: Molecular weight of 2-aminophenol is 109.126.

 aminophenolfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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Chemsrc provides aminophenol(CAS#:95-55-6) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of aminophenol are included as well.>> amp version: aminophenol

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