Formula:

C₁₀H₁₄N₂O₆

Mol.weight:

258.23

CAS No.:

[1463-10-1]

EINECS No.:

215-973-9

Description:

White crystalline powder

Clarity&color of solution:

Colorless and clear

Identification:

Conforms to the ref. IR spectrum

Purity(HPLC):

99.0%min.(area percent)

Assay(UV absorption):

98.0%～102.0%(on dry basis)

Ratios(abs.max.267nm,

A250/A260=0.6～0.68

ε=9,780±2%,PH7):

A280/A260=0.67～0.75

Melting point:

182℃～190℃

Loss on drying:

0.5%max.(at 105℃/2h.)

Residue on ignition:

0.3%max.

Heavy metals(as Pb):

10ppm max.