Maleic hydrazide

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
form :Solid
pka :9.01±0.20(Predicted)
color :White crystalline
Odor :Odorless
Water Solubility :6 g/L
Merck :14,5705
BRN :112223
Henry's Law Constant :2.5×10⁷ mol/(m³Pa) at 25℃, Maniere et al. (2011)
InChI :1S/C4H4N2O2/c7-3-1-2-4(8)6-5-3/h1-2H,(H,5,7)(H,6,8)
InChIKey :BGRDGMRNKXEXQD-UHFFFAOYSA-N
SMILES :O=C1NNC(=O)C=C1
CAS DataBase Reference :123-33-1(CAS DataBase Reference)
IARC :3 (Vol. 4, Sup 7) 1987
NIST Chemistry Reference :Maleic hydrazide(123-33-1)
EPA Substance Registry System :Maleic hydrazide (123-33-1)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501
Precautionary statements:	P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313 IF exposed or concerned: Get medical advice/attention.