Home Categories Chemical Reagents o-Aminophenol
A0628512

o-Aminophenol , 99% , 95-55-6

Synonym(s):
2-Aminophenol;2-Hydroxy aniline, 2-Amino-1-hydroxy benzene

CAS NO.:95-55-6

Empirical Formula: C6H7NO

Molecular Weight: 109.13

MDL number: MFCD00007690

EINECS: 202-431-1

Update time: 2022-07-08

PRODUCT Properties

Melting point: 172 °C
Boiling point: 164 °C (11.2515 mmHg)
bulk density 600kg/m3
Density  1.328
vapor pressure  14 hPa (153 °C)
refractive index  1.5444 (estimate)
Flash point: 168 °C
storage temp.  Store below +30°C.
solubility  17 g/L (20°C)
form  Powder
pka 4.78, 9.97(at 20℃)
Colour Index  76520
color  White to brown
PH 6.5-7.5 (10g/l, H2O, 20℃)
PH Range 6.5 - 7.5 at 10 g/l at 20 °C
Water Solubility  17 g/L (20 ºC)
Merck  14,461
BRN  606075
Henry's Law Constant 4.9×104 mol/(m3Pa) at 25℃, HSDB (2015)
Stability: Stable, but may be air or light sensitive. Incompatible with strong oxidizing agents.
Cosmetics Ingredients Functions HAIR DYEING
Cosmetic Ingredient Review (CIR) 2-Aminophenol (95-55-6)
InChI 1S/C6H7NO/c7-5-3-1-2-4-6(5)8/h1-4,8H,7H2
InChIKey CDAWCLOXVUBKRW-UHFFFAOYSA-N
SMILES Nc1ccccc1O
LogP 0.620
CAS DataBase Reference 95-55-6(CAS DataBase Reference)
NIST Chemistry Reference Phenol, 2-amino-(95-55-6)
EPA Substance Registry System o-Aminophenol (95-55-6)

Description and Uses

2-Aminophenol is an isomer of 4-Aminophenol and is used as a reagent for the synthesis of heterocyclic compounds and dyes. It is also used to make dyes and pharmaceuticals.

Safety

Symbol(GHS)  Exclamation Mark (GHS07)Health Hazard (GHS08)
GHS07,GHS08
Signal word  Warning
Hazard statements  H302+H332-H315-H319-H317-H341
Precautionary statements  P501-P261-P272-P270-P202-P201-P271-P264-P280-P302+P352-P308+P313-P337+P313-P305+P351+P338-P362+P364-P333+P313-P301+P312+P330-P304+P340+P312-P405
PPE dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes  Xn,C
Risk Statements  20/22-68-34-20/21/22
Safety Statements  28-36/37-28A-45-36/37/39-26-68-20/22
RIDADR  UN 2512 (AMINOPHENOLS (o-, m-, p-))
WGK Germany  2
RTECS  SJ4950000
8-10-23
Autoignition Temperature 190 °C
TSCA  TSCA listed
HazardClass  6.1
PackingGroup  III
HS Code  29222900
Storage Class 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
Hazard Classifications Acute Tox. 4 Inhalation
Acute Tox. 4 Oral
Muta. 2
Hazardous Substances Data 95-55-6(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 1300 mg/kg
REACH Registrations Active
Limited Quantities 5.0 kg (11 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)

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