13479
硫代硫酸钠 五水合物
puriss., meets analytical specification of Ph. Eur., BP, USP
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关于此项目
线性分子式:
Na2S2O3 · 5H2O
化学文摘社编号:
分子量:
248.18
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-867-5
MDL number:
Assay:
99.0-100.5% (USP, dry basis), 99.0-101.0% (EP)
Form:
crystalline
Quality Segment
agency
suitable for EPA 1621, suitable for ISO 25101
grade
puriss.
assay
99.0-100.5% (USP, dry basis), 99.0-101.0% (EP)
form
crystalline
quality
meets analytical specification of Ph. Eur., BP, USP
impurities
residual solvents, complies, ≤0.0005% heavy metals (as Pb)
loss
32-37% loss on drying, 16 h (vacuum)
pH
6.0-8.4 (20 °C, 10%)
anion traces
sulfate, sulfite (as SO42-): ≤2000 mg/kg, sulfide (S2-): in accordance
cation traces
As: ≤3 mg/kg, Ca: ≤50 mg/kg, Fe: ≤10 mg/kg
suitability
complies for appearance of solution
application(s)
PFAS testing
SMILES string
O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=S
InChI
1S/2Na.H2O3S2.5H2O/c;;1-5(2,3)4;;;;;/h;;(H2,1,2,3,4);5*1H2/q2*+1;;;;;;/p-2
InChI key
PODWXQQNRWNDGD-UHFFFAOYSA-L
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flash_point_f
Not applicable
flash_point_c
Not applicable
存储类别
13 - Non Combustible Solids