CAS97-65-4
FormulaC5H6O4
SynonymMethylensuccinic Acid, Butanedioic acid, 2-methylene-
Freezing Point (°C)166.00 - 167.00 °C
OdorCharacteristic Odor
Residue on Ignition0.05% Max.
pHN/A
Formula Weight130.1
Loss on Drying0.5% Max.
Melting Point165-168°C
Physical StateSolid
Dropping Point268 °C(Sublimes)
Density1.63
Very Solublein benzene, chloroform, ether, cs2, petroleum ether
Vapor PressureN/A
Fe10 PPM Max.
Sulfates50 PPM Max.
SensoricWhite Crystaline powder
Chlorides10 PPM Max.
Assay %99.5% min
Heavy Metals; USP <231>30 PPM Max.
Density/Specific Gravity (H2O=1, @ 4 °C)(H2O=1, @ 4 °C) : 1.573
Vapor DensityN/A
Molecular weight130.10
Solubilitygml) 12 ml water, 5 ml alcohol