Maleic hydrazide
Properties
- Molecular formula
- C4H4N2O2
- Molar mass
- 112.09 g/mol
- Exact mass
- 112.0273 Da
- Density
- 1.6 g/mL (at 25 °C)
- Melting point
- 298–300 °C
- pKa
- 5.62 (20 °C)
- Flash point
- 300 °C (closed cup)
- Water solubility
- 4.51 g/L (25 °C)
- logP
- -0.11Crippen estimate
- Polar surface area
- 66.2 Ų
- H-bond donors / acceptors
- 2 / 4
- Rotatable bonds
- 0
Hazards
Warning
- H315 Causes skin irritation57.5% of notifiers
- H319 Causes serious eye irritation57.5% of notifiers
- H335 May cause respiratory irritation56.2% of notifiers
- H341 Suspected of causing genetic defects56.2% of notifiers
Aggregated from 80 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.
Precautionary statements
P203, P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P318, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501
Identifiers
CAS number
123-33-1SMILES
Oc1ccc(O)nn1InChIKey
BGRDGMRNKXEXQD-UHFFFAOYSA-NInChI
InChI=1S/C4H4N2O2/c7-3-1-2-4(8)6-5-3/h1-2H,(H,5,7)(H,6,8)Weigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
28 names · show all
- 3,6-Pyridazinedione, 1,2-dihydro-
- 3(2H)-Pyridazinone, 6-hydroxy-
- 1,2-Dihydro-3,6-pyridazinedione
- MAH
- MH
- Malzid
- 3,6-Pyridazinediol
- 6-Hydroxy-3(2H)-pyridazinone
- 3,6-Dihydroxypyridazine
- 3,6-Dioxopyridazine
- Maleic acid cyclic hydrazide
- Regulox 36
- Antyrost
- Antergon
- Malepin
- Mazide
- Super de-sprout
- Maleic cyclic hydrazide
- Sorbatran
- MH (hydrazide)
- Royal slo-gro
- Yadi
- Yake
- NSC 13892
- NSC 234167
- NSC 48832
- NSC 8823
- 1,2,3,6-Tetrahydropyridazine-3,6-dione
Work with Maleic hydrazide
Similar compounds
6-Methylpyridazin-3(2H)-one13327-27-063 % similar
6-Phenyl-3(2H)-pyridazinone2166-31-655 % similar
3(2H)-Pyridazinone504-30-350 % similar
2,6-Dihydroxypyridine626-06-244 % similar
5-Hydroxy-2(1H)-pyridinone5154-01-843 % similar
2,6-Dihydroxypyridine hydrochloride10357-84-340 % similar
2-Hydroxy-5-methylpyridine1003-68-539 % similar
5-Bromo-2-hydroxypyridine13466-38-139 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue.