Skip to Content
MilliporeSigma
All Photos(1)

Key Documents

View All Documentation

538582

Sigma-Aldrich

2,4-Dihydroxybenzoic acid hydrazide

97%

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
(OH)2C6H3CONHNH2
CAS Number:
13221-86-8
Molecular Weight:
168.15
MDL number:
MFCD00017053
UNSPSC Code:
12352100
PubChem Substance ID:
24878343
NACRES:
NA.22

assay

97%

mp

247-250 °C (lit.)

functional group

amine
hydrazine

SMILES string

NNC(=O)c1ccc(O)cc1O

InChI

1S/C7H8N2O3/c8-9-7(12)5-2-1-4(10)3-6(5)11/h1-3,10-11H,8H2,(H,9,12)

InChI key

GOPUHTXVZGIOHN-UHFFFAOYSA-N

Related Categories

General description

2,4-Dihydroxybenzoic acid hydrazide is a phenolic hydrazide. 2,4-Dihydroxybenzohydrazide can be prepared by employing ethyl 2,4-dihydroxybenzoate and hydrazine hydrate as starting reagent.

Application

2,4-Dihydroxybenzoic acid hydrazide may be used in the synthesis of:
  • 2,4-dihydroxy-N′-(4-methoxybenzylidene)benzohydrazide
  • 2,4-dihydroxy-N′-(2-hydroxy-4-methoxybenzylidene)benzohydrazide
  • (E)-2,4-dihydroxy-N′-(2-hydroxy-3-methoxy-5-nitrobenzylidene) benzohydrazide dihydrate
  • [N′-(5-chloro-2-oxidobenzyl-κO)-2,4-dihydroxybenzohydrazidato-κ2N′,O](methanol-κO)dioxidomolybdenum(VI)–4,4′-bipyridine
  • (E)-N′-(3,4-dimethoxybenzylidene)-2,4-dihydroxybenzohydrazide methanol solvate

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCT5895
MKCR6959
MKCH4147
MKCC4699
MKBD6637

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

2, 4-Dihydroxy-N'-(4-methoxybenzylidene) benzohydrazide.
Diao YP, et al.
Acta Crystallographica Section E, Structure Reports Online, 64(2), o470-o470 (2008)
(E)-N'-(3, 4-Dimethoxybenzylidene)-2, 4-dihydroxybenzohydrazide methanol solvate.
Zhang QL, et al.
Acta Crystallographica Section E, Structure Reports Online, 65(10), o2392-o2393 (2009)
Synthesis of 2, 4-Dihydroxybenzohydrazide.
Camber B and Dziewiatkowski DD.
Journal of the American Chemical Society, 73(8), 4021-4021 (1951)
2, 4-Dihydroxy-N'-(2-hydroxy-4-methoxybenzylidene) benzohydrazide.
Han YY and Zhao QR.
Acta Crystallographica Section E, Structure Reports Online, 66(5), o1041-o1041 (2010)
[N'-(5-Chloro-2-oxidobenzyl-?O)-2, 4-dihydroxybenzohydrazidato-?2N',O](methanol-?O) dioxidomolybdenum (VI)?4, 4'-bipyridine (1/1).
Ngan NK, et al.
Acta Crystallographica Section E, Structure Reports Online, 67(6), m747-m747 (2011)
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service