4-Hydroxy-3-nitrobenzonic acid

BGC Id:	760933708161
CAS No:	616-82-0
Synonyms:	nhb ; rarechem al bo 1164 ; 2-nitro-4-cyanophenol ; labotest-bb lt00452849 ; hydroxy-3-nitrobenzoic ; 3,4-nitrohydroxybenzoic acid ; 3-nitro-4-hydroxybenzoic acid ; 4-hydroxy-3-nitrobenzoic acid ; p-hydroxy-m-nitrobenzoic acid ; 3-nitro-4-hydroxy benzol acid
Molecular Formula:	C7H5NO5
Molecular Weight:	183.12
EINECS:	210-494-1

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Country: Germany

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The last intensive check and update was carried out on 2025/10/30.

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Synonyms:

nhb ; rarechem al bo 1164 ; 2-nitro-4-cyanophenol ; labotest-bb lt00452849 ; hydroxy-3-nitrobenzoic ; 3,4-nitrohydroxybenzoic acid ; 3-nitro-4-hydroxybenzoic acid ; 4-hydroxy-3-nitrobenzoic acid ; p-hydroxy-m-nitrobenzoic acid ; 3-nitro-4-hydroxy benzol acid

CAS:

616-82-0

EINECS:

210-494-1

Molecular Formula:

C7H5NO5

MDL:

MFCD00007119

Properties

Molecular Weight:

183.12 g·mol−1

Melting point:

183-186 °C(lit.)

Physical Description:

yellow to light brown powder

Safety Information

Hazard Symbols: Xn, Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

irritant

Hazardous Substances Data:

Non-Regulated Material ¹

Risk Codes:

36/37/38 (R)

Safety Codes:

26-37/39-24/25-36 (S)

WGK Germany:

Storage temperature:

-20°C

What other providers are available for CAS 616-82-0?

In addition to the providers presented here for 4-Hydroxy-3-nitrobenzonic acid with the CAS number 616-82-0, there are other 49 providers with slightly different product names available for this CAS number.

3-Nitro-4-hydroxybenzoic acid

Hangzhou Lingrui Chemical Co., Ltd. | Skyrun Industrial Co., Ltd. +4 additional providers that we know from the past

4-Hydroxy-3-nitrobenzoic acid