Molecular formula: C9H10ClN5O2 Molecular weight:255.7 CAS #:13826-41-3 IUPAC name:1-(6-chloro-3-pyridylmethyl)-N-nitroimidazolidin-2-ylideneamine. C. A. Name:1-[(6-chloro-3-pyridinyl)methyl]-N-nitro--2imidazolidinimine. Form: Colorless crystals with a weak characteristic odor. Melting point:143.8 degrees C (crystal form 1) 136.4 degrees C (crystal form 2) Solubility in water:0.51 g/l (20 degrees C) Solubility in other solvents @ 20 degrees C: Dichloromethane - 50.0 - 100.0 g/l; isopropanol - 1.0-2.0 g/l; toluene - 0.5-1.0 g/l; n-hexane - Vapor pressure:0.2 uPa (20 degrees C) (1.5 X 10 to the minus 9 mmHg) Specific gravity/density:1.543 (20 degrees C) Stability: Stable to hydrolysis at pH 5-11. Melting point:136.4-143.8 degrees C. Kow log p:0.57 (22 degrees C). (3)