<br /> 线性分子式: Na2S2O5 CAS号: 7681-57-4 分子量: 190.11 EC 号: 231-673-0 MDL编号: MFCD00167602 PubChem化学物质编号: 329753770 NACRES: NB.24">
ACS reagentpuriss. p.a.
200
reag. Ph. Eur.
98-100.5%
powder
dry
≤0.01% thiosulfate (S2O3)
3.5-5.0 (20 °C, 5%)
>300 °C (lit.)
chloride (Cl-): ≤50 mg/kg
As: ≤0.5 mg/kgCa: ≤50 mg/kgCd: ≤50 mg/kgCo: ≤50 mg/kgCu: ≤5 mg/kgFe: ≤5 mg/kgK: ≤100 mg/kgNi: ≤50 mg/kgPb: ≤5 mg/kgZn: ≤10 mg/kg
[Na+].[Na+].[O-]S(=O)S([O-])(=O)=O
1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
HRZFUMHJMZEROT-UHFFFAOYSA-L
Danger
Acute Tox. 4 Oral - Eye Dam. 1
13 - Non Combustible Solids
WGK 1