538582

2,4-Dihydroxybenzoic acid hydrazide

97%

• 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

Properties

• 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

Description

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

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves