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2-Aminophenol CAS:95-55-6

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CAS No.:

95-55-6

Grade:

Industrial Grade

Content:

99%

Port:

SHANGHAI

Brand:

Orient

Packaging:

25kg/bag,500kg/bag, customized

Price valid (until):

2025-12-26

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Qingdao Orient Chemical Co.,LTD

Company Type:

Trader

Location:

China

Qualification:

Main Products:

pharmaceutical intermediates,peptides,electronic chemicals

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Product Description
Seller Information

Description

2-Aminophenol Basic information

Product Name:	2-Aminophenol
Synonyms:	1-Amino-2-hydroxybenzene;1-Hydroxy-2-aminobenzene;2-amino-pheno;2-Hydroxyanaline;2-Hydroxyaniline H;2-hydroxybenzenamine;BASF Ursol 3GA;basfursol3ga
CAS:	95-55-6
MF:	C6H7NO
MW:	109.13
EINECS:	202-431-1
Product Categories:	A;A-BAlphabetic;Alpha sort;AM to AQChemical Class;Amines;Aromatics;Pesticides&Metabolites;Organic Building Blocks;Oxygen Compounds;Phenols;dye intermediates;Aromatic Phenols;Phenoles and thiophenoles;Intermediates of Dyes and Pigments;Amine
Mol File:	95-55-6.mol

2-Aminophenol Chemical 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)
Fp	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
Stability:	Stable, but may be air or light sensitive. Incompatible with strong oxidizing agents.
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)

Safety Information

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 6.1/PG 3
WGK Germany	2
RTECS	SJ4950000
F	8-10-23
Autoignition Temperature	190 °C
TSCA	Yes
HazardClass	6.1
PackingGroup	III
HS Code	29222900
Hazardous Substances Data	95-55-6(Hazardous Substances Data)
Toxicity	LD50 orally in Rabbit: 1300 mg/kg

2-Aminophenol Usage And Synthesis

Chemical Properties	2-aminophenol appears as colorless needles or as white crystalline substance turning tan to brown on exposure to air. It forms white orthorhombic bipyramidal needles when crystallized from water or benzene. The crystals have eight molecules to the elementary cell. Insoluble in benzene, soluble in ethanol and water. o-aminophenol is contained in hair dyes and can cause contact dermatitis in hairdressers.
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.
Definition	ChEBI: 2-aminophenol is the aminophenol which has the single amino substituent located ortho to the phenolic -OH group. It has a role as a bacterial metabolite.
Preparation	2-Aminophenol is obtained by reduction of o-nitrophenol with sodium sulfide or hydrogen gas.
Synthesis Reference(s)	Synthetic Communications, 13, p. 495, 1983 DOI: 10.1080/00397918308081828
Antimicrobial activity	Further observations on this group of compounds are required, but its low toxicity and its bacteriostatic activity against the Gram-negative bacilli suggest that 2-aminophenol may be of value as a local antiseptic.
General Description	2-Aminophenol, also called o-aminophenol, is an aromatic amphoteric compound with the formula C6H4(OH)NH2. It is a white needle-shaped crystal that darkens when exposed to light and air. It is an isomer of aminophenol and serves as a vital chemical intermediate for dyes, medicine, printing, and biological applications.
Air & Water Reactions	Protect from air and light. Insoluble in water.
Reactivity Profile	2-Aminophenol can react with oxidizing agents. THF forms explosive products with 2-aminophenol [Lewis 3227].
Fire Hazard	Combustible material: may burn but does not ignite readily. Containers may explode when heated. Runoff may pollute waterways. Substance may be transported in a molten form.
Contact allergens	It is contained in hair dyes and can cause contact dermatitis in hairdressers and consumers
Side effects	(1)Methemoglobinemia - an increase in methemoglobin in the blood; the compound is classified as having secondary toxic effects. (2)Skin sensitiser - a substance that can induce an allergic skin reaction. (3)Asthma - reversible bronchoconstriction (narrowing of the fine bronchial tubes) caused by inhalation of irritating or allergenic substances.
Toxicology	2-Aminophenol can act as a skin sensitiser and cause contact dermatitis. In addition, inhalation of large amounts can cause methemoglobinemia and bronchial asthma. Methemoglobinemia is the formation of methemoglobin when 2-aminophenol interacts with adult and fetal hemoglobin. Compared to its isomers 3-aminophenol and 4-aminophenol, 2-aminophenol is the most potent in forming methemoglobinemia. Since methemoglobin cannot bind oxygen as well as haemoglobin, this may lead to tissue hypoxia.
Safety Profile	Poison by intraperitoneal and subcutaneous routes. Moderately toxic by ingestion. An experimental teratogen. Other experimental reproductive effects. An eye irritant. Mutation data reported. When heated to decomposition it emits toxic NO,. See also AROMATIC AMINES.
Synthesis	2-Aminophenol is industrially synthesized by reducing the corresponding nitrophenol by hydrogen in the presence of various catalysts. The nitrophenols can also be reduced with iron.

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—— Q&A ——

Q1:Do you provide sample?

A: Yes, we can provide free sample, you only need pay the shipping cost.

Q2: What is the lead time?

A: For stock goods, it usually take about 5-7 days by air, 15-30 days by sea,For customized products, the delivery time needs to be confirmed based on the actual situation.

Q3: How can I buy? What is the payment method?

A: You can contract us through Email or you can browse our website:orientchem.cc, we have bank transfer,

A：We attach great importance to after-sales service of our products. If there are any quality issues, please contact us within 30 days of receiving the goods and we will handle returns and exchanges for you.

Certificates

Basic Info

Product Name:

2-Aminophenol

Other Name:

Phenol,2-amino-;Phenol,o-amino-;2-Aminophenol;C.I. 76520;o-Aminophenol;BASF Ursol 3GA;Benzofur GG;C.I. Oxidation Base 17;Fouramine OP;Nako Yellow 3GA;Paradone Olive Green B;Pelagol 3GA;Pelagol Grey GG;Zoba 3GA;o-Hydroxyaniline;o-Hydroxyphenylamine;1-Amino-2-hydroxybenzene;1-Hydroxy-2-aminobenzene;2-Hydroxyaniline;2-Hydroxybenzenamine;o-Aminohydroxybenzene;Rodol 2G;NSC 1534;NSC 226261;(2-Hydroxyphenyl)amine;2-Amino-1-hydroxybenzene;2-Aminophenyl alcohol

CAS No.:

95-55-6

Molecular Formula:

C6H7NO

InChIKeys:

InChIKey=CDAWCLOXVUBKRW-UHFFFAOYSA-N

Molecular Weight:

109.13

Exact Mass:

109.13

BRN:

606075

EC Number:

202-431-1

UNII:

23RH73DZ65

ICSC Number:

0824

NSC Number:

1534

UN Number:

2512

DSSTox ID:

DTXSID8024498

Color/Form:

Crystals, rapidly becoming brown|White orthorhombic bipyramidal needles from benzene or water|White crystals; turn brown with age|COLORLESS RHOMBIC NEEDLES OR PLATES

HScode:

29222900

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

46.2

XLogP3:

0.62

Appearance:

White to brown Powder

Density:

1.328 g/cm³ @ Temp: 25 °C

Melting Point:

170-174 °C

Boiling Point:

100 °C @ Press: 1 x 10^-3-3 x 10^-3 Torr

Flash Point:

168 °C

Refractive Index:

1.637

Water Solubility:

H2O: 17 g/L (20 ºC)

Storage Conditions:

Store below +30°C.

Vapor Pressure:

negligible

Vapor Density:

Relative vapour density (air = 1): 3.77

Toxicity:

Oral-rat LD50: 1300 mg/kg; Oral-Mouse LD50: 1250 mg/kg

Flammability characteristics:

Flammable; burning produces toxic nitrogen oxide fumes

PKA:

4.84(at 20 °C)

Henrys Law Constant:

Henry's Law constant = 2X10-10 atm-cu m/mole at 25 °C (est)

Dissociation Constants:

4.84 (at 20 °C)|pKa = 4.84 (conjugate acid)|pK1 = 4.72 at 21 °C; pK2 = 9.71 at 22 °C|pKa1 = 5.22 (amine); pKa2 = 9.87 (phenol) (est)

Collision Cross Section:

118.3 Å² [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|124.8 Å² [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|118 Å² [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|118.3 Å² [M-H]-

Experimental Properties:

At reduced pressure (1.47 kPa), 2-aminophenol sublimes rapidly at 153 °C without decomposition|Heat of formation = -191 kJ/mol|LOW VOLATILITY|Crystals readily becoming gray on exposure to light. Freely soluble in water or alcohol /o-Aminophenol hydrochloride/|Hydroxyl radical reaction rate constant = 7.4X10-11 cu cm/molecule-sec at 25 °C (est)

Air and Water Reactions:

Protect from air and light. Insoluble in water.

Reactive Group:

Phenols and Cresols

Reactivity Profile:

O-AMINOPHENOL can react with oxidizing agents. (NTP, 1992) THF forms explosive products with 2-aminophenol [Lewis 3227].

Autoignition Temperature:

190 °C

See More 2-Aminophenol Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 4, Oral

Acute toxicity - Category 4, Inhalation

Germ cell mutagenicity, Category 2

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H302 Harmful if swallowed H332 Harmful if inhaled H341 Suspected of causing genetic defects
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. P203 Obtain, read and follow all safety instructions before use. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response	P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P317 Get medical help. P318 IF exposed or concerned, get medical advice.
Storage	P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO open flames. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store in an area without drain or sewer access. Well closed. Separated from oxidants and food and feedstuffs.Store in tightly closed containers in a cool, well-ventilated area. Aminophenols must be stored to avoid contact with strong oxidizers (such as chlorine, bromine, and fluorine), since violent reactions occur. Aminophenols

See More 2-Aminophenol Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
pharmaceutical intermediates,peptides,electronic chemicals

Location:
Room 102, 1st Floor, East Office Building, No. 45 Pengwan Road, Qianwan Bonded Port Area, Qingdao Zone, China (Shandong) Pilot Free Trade Zone

Payment Terms:
100% TT in advance

Average lead Time:
10

Total Annual Revenue:
$10 million-$25 million

Total Employees:
51-100

Year of Establishment:
2024

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Website: orientchem.cc
Email: scarlett@orientchem.cc
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2-Aminophenol CAS:95-55-6

Product Description

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