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Merck
CN

71930

偏亚硫酸氢钠

purum p.a., ≥95% (RT)

别名:

偏二亚硫酸钠, 焦亚硫酸钠

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关于此项目

线性分子式:
Na2S2O5
化学文摘社编号:
分子量:
190.11
EC Number:
231-673-0
UNSPSC Code:
12352300
MDL number:
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grade

purum p.a.

assay

≥95% (RT)

mp

>300 °C (lit.)

solubility

water: soluble 650 g/L at 20 °C

anion traces

chloride (Cl-): ≤100 mg/kg

cation traces

Ca: ≤50 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤50 mg/kg, K: ≤500 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg

SMILES string

[Na+].[Na+].[O-]S(=O)S([O-])(=O)=O

InChI

1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2

InChI key

HRZFUMHJMZEROT-UHFFFAOYSA-L



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pictograms

CorrosionExclamation mark

signalword

Danger

hcodes

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

supp_hazards

存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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