Specification
ITEM | STANDARD |
IDENTIFICATION | MEETS THE REQUIREMENTS |
APPEARANCE | WHITE CRYSTALS |
ASSAY(DRY BASIS) | >=98.5% |
OTHER POLYOLS | =<1.5% |
LOSS ON DRYING | =<0.2% |
RESIDUE ON IGNITION | =<0.02% |
REDUCING SUGARS | =<0.5% |
HEAVY METALS | =<2.5PPM |
ARSENIC | =<0.5PPM |
NICKEL | =<1 PPM |
LEAD | =<0.5PPM |
SULFATE | =<50PPM |
CHLORIDE | =<50PPM |
MELTING POINT | 92-96℃ |