67139

Maleic hydrazide

reference material

• Synonym(s): 1,2-Dihydro-3,6-pyridazinedione, 3,6-Dihydroxypyridazine, 3,6-Pyridazinediol
• Empirical Formula (Hill Notation): C₄H₄N₂O₂
• CAS Number: 123-33-1
• Molecular Weight: 112.09
• Beilstein/REAXYS Number: 112223
• MDL number: MFCD00006665
• UNSPSC Code: 41116107

Properties

• grade: reference material
• Quality Level: 200
• assay: ≥98.0% (GC)
• autoignition temp.: 707 °F
• shelf life: limited shelf life, expiry date on the label
• mp: 299-301 °C (dec.) (lit.)
• format: neat
• SMILES string: O=C1NNC(=O)C=C1
• InChI: 1S/C4H4N2O2/c7-3-1-2-4(8)6-5-3/h1-2H,(H,5,7)(H,6,8)
• InChI key: BGRDGMRNKXEXQD-UHFFFAOYSA-N

Description

General description

This reference material (RM) is produced and certified in accordance with ISO/IEC 17025. This RM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com

Safety Information

• pictograms: GHS08,GHS07
• signalword: Warning
• hcodes: H315,H319,H335,H341
• pcodes: P202 - P261 - P264 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Eye Irrit. 2 - Muta. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 2
• flash_point_f: 572.0 °F - closed cup
• flash_point_c: 300 °C - closed cup