Maleic hydrazide , 98% , 123-33-1

Synonym(s):
1,2-Dihydro-3,6-pyridazinedione;3,6-Dihydroxypyridazine;3,6-Pyridazinediol

CAS NO.：123-33-1

Empirical Formula: C4H4N2O2

Molecular Weight: 112.09

MDL number: MFCD00006665

EINECS: 204-619-9

PRODUCT Properties

• Melting point: 299-301 °C (dec.)(lit.)
• Boiling point: 209.98°C (rough estimate)
• Density: 1,6 g/cm³
• refractive index: 1.4610 (estimate)
• Flash point: 300°C
• storage temp.: Inert atmosphere,Room Temperature
• solubility: 4510mg/l
• pka: 9.01±0.20(Predicted)
• form: Solid
• color: White crystalline
• Odor: Odorless
• Water Solubility: 6 g/L
• Merck: 14,5705
• BRN: 112223
• InChIKey: BGRDGMRNKXEXQD-UHFFFAOYSA-N

Description and Uses

Maleic Hydrazide is a crystalline solid. Molecular weight= 112.10; Freezing/Melting point=292℃ (decomposes at 260℃); also reported as .300℃. Hazard Identification (based on NFPA-704 M Rating System): Health 2, Flammability 1, Reactivity 0. Slightly soluble in cold water; more soluble in hot.

Growth regulator used to control the sprouting of potatoes and onions and to prevent sucker development on tobacco, fruits, ornamentals, vines, field crops and in forestry. Also used to control insects in warehouses, storerooms, empty sacks and in animal and poultry houses.

Safety

• Symbol(GHS): GHS07,GHS08
• Signal word: Warning
• Hazard statements: H315-H319-H335-H341
• Precautionary statements: P201-P202-P261-P302+P352-P305+P351+P338-P308+P313
• Hazard Codes: Xi,Xn
• Risk Statements: 36/37/38-40-R40-R36/37/38-68
• Safety Statements: 26-36-45-36/37/39-S45-S36/37/39-S26
• RIDADR: UN 3077 9/PG 3
• WGK Germany: 2
• RTECS: UR5950000
• Autoignition Temperature: 707 °F
• TSCA: Yes
• HS Code: 29339990
• Toxicity: LD50 orally in rats: 3800-6800 mg/kg; dermally in rabbits: >4000 mg/kg (Ben-Dyke)