Item

Specification

Appearance

White or off-white crystalline powder

Odor

Odorless

Identification(1HNMR)

Meets the standard

Abs Orption Coefficient

476-506

Chemical Reaction

Generate white precipitate

Melting Point

118℃-122℃

Loss on Drying

≤0.5%

Residual on Ignition

≤0.1%

Related Substances

lndividual impurity ≤0.2%

Total impurities ≤ 1.0%

Heavy Metal

≤10ppm

Residual Solvents

Ethanol ≤ 0.5%

Toluene≤ 0.089%

Purity (HPLC)

≥99.0%

Assay

 98.0%~102.0%