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4-Hydroxy-3-nitrobenzoic acid

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4-Hydroxy-3-nitrobenzoic acid Basic information

Product Name:
4-Hydroxy-3-nitrobenzoic acid
Synonyms:
  • NHB
  • RARECHEM AL BO 1164
  • 4-HYDROXY-3-NITROBENZOIC ACID
  • 3-NITRO-4-HYDROXYBENZOIC ACID
  • 2-NITRO-4-CYANOPHENOL
  • LABOTEST-BB LT00452849
  • 3,4-Nitrohydroxybenzoic acid
  • Benzoic acid, 4-hydroxy-3-nitro-
CAS:
616-82-0
MF:
C7H5NO5
MW:
183.12
EINECS:
210-494-1
Product Categories:
  • Organic acids
  • C7
  • Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts
  • Carbonyl Compounds
  • Carboxylic Acids
Mol File:
616-82-0.mol
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4-Hydroxy-3-nitrobenzoic acid Chemical Properties

Melting point:
183-186 °C (lit.)
Boiling point:
316.77°C (rough estimate)
Density 
1.6074 (rough estimate)
refractive index 
1.6280 (estimate)
storage temp. 
Sealed in dry,Room Temperature
solubility 
Acetonitrile (Slightly), DMSO (Slightly), Methanol (Slightly)
form 
Solid
pka
3.94±0.10(Predicted)
color 
Off-White
BRN 
2213134
CAS DataBase Reference
616-82-0(CAS DataBase Reference)
NIST Chemistry Reference
4-Hydroxy-3-nitrobenzoic acid(616-82-0)
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Safety Information

Hazard Codes 
Xn,Xi
Risk Statements 
36/37/38
Safety Statements 
26-37/39-24/25-36
WGK Germany 
3
TSCA 
T
HazardClass 
IRRITANT
HS Code 
29182990

MSDS

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4-Hydroxy-3-nitrobenzoic acid Usage And Synthesis

Chemical Properties

yellow to light brown powder

Uses

Standard in chymotrypsin assays

General Description

4-Hydroxy-3-nitrobenzoic acid was coupled to ionic liquid-immobilized o-phenylenediamine to form benzimidazole derivatives.

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