2-Amino-4-nitrophenol

Product Name: 2-Amino-4-nitrophenol
CAS No.: 99-57-0
Chemical Name: 2-Amino-4-nitrophenol
Synonyms: 4-NAP;rodol42;ci76530;NSC 4664;Ursol 4GL;c.i.76530;nci-c55958;p-nitroaminofenol;Thymol Impurity?36;2-amino-4-nitrofenol
CBNumber: CB8316785
Molecular Formula: C6H6N2O3
Formula Weight: 154.12
MOL File: 99-57-0.mol

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2-Amino-4-nitrophenol Property

Melting point:: 140-143 °C (lit.)
Boiling point:: 322.46°C (rough estimate)
Density: 1.3617 (estimate)
vapor pressure: 0.005Pa at 25℃
refractive index: 1.6890 (rough estimate)
Flash point:: 100 °C
storage temp.: Refrigerator, Under Inert Atmosphere
solubility: DMSO (Slightly), Methanol (Slightly)
form: Solid
pka: 6.82±0.22(Predicted)
color: Dark Yellow to Brown
Water Solubility: slightly soluble
BRN: 776533
LogP: 1.26
CAS DataBase Reference: 99-57-0(CAS DataBase Reference)
IARC: 3 (Vol. 57) 1993
EPA Substance Registry System: 2-Amino-4-nitrophenol (99-57-0)

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Safety

Hazard Codes: Xi,Xn
Risk Statements: 36/37/38-68-43-40-20/21/22
Safety Statements: 26-45-36/37/39-36
RIDADR: 2811
WGK Germany: 2
RTECS: SJ6300000
Hazard Note: Irritant
TSCA: Yes
HS Code: 29071990
Hazardous Substances Data: 99-57-0(Hazardous Substances Data)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: A70402
Product name: 2-Amino-4-nitrophenol
Purity: 96%
Packaging: 5g
Price: $41.6
Updated: 2025/07/31

Sigma-Aldrich

Product number: A70402
Product name: 2-Amino-4-nitrophenol
Purity: 96%
Packaging: 25g
Price: $53.6
Updated: 2025/07/31

TCI Chemical

Product number: A0378
Product name: 2-Amino-4-nitrophenol
Purity: >98.0%(T)
Packaging: 25g
Price: $42
Updated: 2025/07/31

TCI Chemical

Product number: A0378
Product name: 2-Amino-4-nitrophenol
Purity: >98.0%(T)
Packaging: 100g
Price: $110
Updated: 2025/07/31

TCI Chemical

Product number: A0378
Product name: 2-Amino-4-nitrophenol
Purity: >98.0%(T)
Packaging: 500g
Price: $379
Updated: 2025/07/31

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2-Amino-4-nitrophenol Chemical Properties,Usage,Production

Chemical Properties

OCHRE CRYSTALLINE POWDER

Uses

An aromatic constituent found in hair dyes and other cosmetic products with very low levels of mutagenic activity.

Uses

2-Amino-4-nitrophenol is used in preparing some mordant dyes and in some hair dyes.

Definition

ChEBI: 2-Amino-4-nitrophenol is a member of 4-nitrophenols.

Synthesis Reference(s)

Organic Syntheses, Coll. Vol. 3, p. 82, 1955
The Journal of Organic Chemistry, 45, p. 4992, 1980 DOI: 10.1021/jo01312a039

General Description

Orange prisms or yellow powder. No odor.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Oxidation of 2-Amino-4-nitrophenol may occur in the presence of air and violent decomposition may occur if 2-Amino-4-nitrophenol is allowed to dry out completely at elevated temperatures. 2-Amino-4-nitrophenol is stable when stored protected from light and under nitrogen for two weeks at temperatures up to 140° F, and storage under nitrogen for up to 24 weeks at room temperature (77° F) should produce no loss of stability. 2-Amino-4-nitrophenol is incompatible with acids, acid chlorides, acid anhydrides, chloroformates and strong oxidizing agents. 2-Amino-4-nitrophenol is also incompatible with iron.

Fire Hazard

Flash point data for 2-Amino-4-nitrophenol are not available. 2-Amino-4-nitrophenol is probably combustible.

Flammability and Explosibility

Non flammable

Purification Methods

Crystallise the phenol from water. [Beilstein 13 IV 896.]

2-Amino-4-nitrophenol Preparation Products And Raw materials

Raw materials

Sulfur Sodium sulfide nonahydrate Sodium sulfide SODIUM TETRASULFIDE 2,4-Dinitrochlorobenzene

Preparation Products

Acid Black 168 Leather Coating Black RL Reactive Grey K-B4RP Mordant Brown 33 Leather Coating Yellow GL Leather Coating Red GL Reactive Black 8 Solvent Red KL 6-NITRO-2H-1,4-BENZOXAZIN-3(4H)-ONE Neutral Brown Rl

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2-Amino-4-nitrophenol Suppliers

China 27 Global 27

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99-57-0, 2-Amino-4-nitrophenolRelated Search:

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nci-c55958

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rodol42

2-AMINO-4-NITROPHENOL

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2-Amino-4-nitrophenol ,98%

2-Amino-4-nitrophenol,2-Hydroxy-5-nitroaniline

Ursol 4GL

2-Amino-4-nitrophenol,99%

2-AMino-4-nitro phenole

2-AMino-4-nitrophenol, 99% 50GR

4-Nitro-2-aMino-1-hydroxybenzene

5-Nitro-2-hydroxyaniline

NSC 4664

2-AMino-4-nitrophenol, 98.5%

2-Hydroxy-5-nitroaniline, 3-Amino-4-hydroxynitrobenzene

amino-2nitro-4phenol

c.i.76530

ci76530

2-AMino-4-nitrophenol , 98.0%(T)

2-HYDROXY-5-NITROANILINE

4-nitro-2-aminofenol(czech)

2-Amino-4-nitrophenol &gt

2-Amino-4-nitrophenol/4NAP

TIANFU-CHEM CAS:99-57-0 2-Amino-4-nitrophenol

4-NITRO-2-AMINOPHEONL

Thymol Impurity?36

99-57-0

NO2C6H3NH2OH

AMINE

Building Blocks

Oxygen Compounds

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dye intermediates

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