residual solvents, complies

≤0.001% heavy metals (as Pb)

organic volatile impurities, complies (GC)

sulfate (SO42-): ≤100 mg/kg

chloride (Cl-): ≤100 mg/kg

oxalate (as oxalic acid): ≤100 mg/kg

oxalate (C2O42-): in accordance

meets analytical specification of Ph. Eur., BP, NF, FCC, E334

As: ≤2 mg/kg

Zn: ≤10 mg/kg

Cu: ≤10 mg/kg

Hg: ≤1 mg/kg

Pb: ≤2 mg/kg

Ca: ≤200 mg/kg

HO2CCH(OH)CH(OH)CO2H

≤0.05% (as SO4)

complies for appearance of solution

≤0.2% loss on drying, 105 °C

puriss.

99.7-100.5% (calc. to the dried substance)

powder

168-170 °C

170-172 °C(lit.)

150 °C

302 °F

797 °F

5.18 (vs air)

[α]20/D +12.0 to +12.8°, c = 20% in H2O

dust mask type N95 (US), Eyeshields, Gloves

Warning

刺激性 (Xi)

P261-P305+P351+P338

WW7875000

3

H315-H319-H335