6.42e-04 M;SOLUBLE IN HOT ALCOHOL, ALKALI; SLIGHTLY SOL IN HOT ACETONE, HOT BENZENE; INSOLUBLE IN PETROLEUM ETHER, WATER;1 G DISSOLVES IN ABOUT: 400 ML CHLOROFORM, 100 ML ETHER, 120 ML ALCOHOL
Appearance
Off White to Faint Yellow Powder
Color/Form
NEEDLES FROM METHANOL OR DILUTED ALCOHOL;WHITE OR YELLOWISH CRYSTALS OR POWDER;SMALL, WHITE, NEEDLE-LIKE CRYSTALS
Complexity
325
Covalently-Bonded Unit Count
1
EC Number
205-067-1
Exact Mass
249.078979g/mol
Formal Charge
0
H-Bond Acceptor
3
H-Bond Donor
1
Heavy Atom Count
19
Monoisotopic Mass
249.078979g/mol
NSC Number
758887;70178;2617
Odor
ODORLESS
Other Experimental
OPTIC SIGN: +; ELONGATION: +; AXIAL ANGLE: 2V= 45 DEG /ORTHORHOMBIC SYSTEM/;OPTIC SIGN: -; AXIAL ANGLE: LARGE /TRICLINIC SYSTEM/;YELLOW CRYSTALLINE POWDER; SLIGHTLY BITTER, ASTRINGENT TASTE; MP: 223 °C; PRACTICALLY INSOL IN WATER; SLIGHTLY SOL IN ALCOHOL; SOL IN CHLOROFORM, ETHER /HYDROCHLORIDE/;RAPIDLY LOSES WATER OF CRYSTALLIZATION ON EXPOSURE TO AIR; SOL IN WATER, ALC; PRACTICALLY INSOL IN ETHER /LITHIUM SALT OCTAHYDRATE/
Refractive Index
INDEX OF REFRACTION IN ORTHORHOMBIC SYSTEM: 1.545 (ALPHA), 1.575 (BETA), EXCEEDS 1.734 (GAMMA); INDEX OF REFRACTION IN TRICLINIC SYSTEM: 1.545 (ALPHA), 1.590 (BETA), 1.630 (GAMMA); INDEX OF REFRACTION IN TRICLINIC SYSTEM: 1.545 (ALPHA), 1.590 (BETA), 1.630 (GAMMA)
Rotatable Bond Count
2
Stability
STABLE TO AIR, BUT TURNS YELLOW UNDER THE INFLUENCE OF LIGHT