Quality Level

200

grade

puriss.

분석

99.5-100.5% (calc. to the dried substance)

양식

powder or crystals

품질

meets analytical specification of Ph. Eur., BP, NF, FCC, E500

불순물

alkali hydroxides and bicarbonates, complies
residual solvents
<5 ppm heavy metals (as Pb)

손실

≤0.5% loss on drying, 300 °C
<0.5% loss on drying, 105°C, 4hrs

pH

12 (25 °C, 106 g/L)

mp

851 °C (lit.)

음이온 미량물

chloride (Cl^-): ≤100 mg/kg
sulfate (SO₄^2-): ≤50 mg/kg

양이온 미량물

As: ≤2 mg/kg
Cu: ≤20 mg/kg
Fe: ≤10 mg/kg
Hg: ≤1 mg/kg
Pb: ≤4 mg/kg
Pb: >2 ppm
Zn: ≤20 mg/kg

적합성

complies for appearance of solution

저장 온도

15-25°C

SMILES string

O=C(O[Na])O[Na]

InChI

1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2

InChI key

CDBYLPFSWZWCQE-UHFFFAOYSA-L