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产品名称
五水硫代硫酸钠, for analysis EMSURE® ACS,ISO,Reag. Ph Eur
SMILES string
[Na+].[Na+].[S](=S)(=O)([O-])[O-].O.O.O.O.O
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
grade
ACS reagent
agency
reag. ISO
reag. Ph. Eur.
suitable for SM 2310
suitable for SM 2320
suitable for SM 4500 - NH3
product line
EMSURE®
assay
99.5-101.0% (iodometric)
form
solid
potency
>5000 mg/kg LD50, oral (Rat)
impurities
≤0.005% Insoluble matter
pH
6.0-7.5 (20 °C, 100 g/L in H2O)
mp
48 °C
density
1.74 g/cm3 at 20 °C
bulk density
1000 kg/m3
anion traces
chloride (Cl-): ≤0.008%
sulfate, sulfite (as SO42-): ≤0.1%
sulfide (S2-): passes test
cation traces
Ca: ≤0.002%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.001%
Mg: ≤0.001%
N: ≤0.002%
Pb: ≤0.0005%
heavy metals (as Pb): ≤0.001%
storage temp.
2-30°C
Quality Level
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Other Notes
Legal Information
Analysis Note
鉴别:通过测试
溶液外观:通过测试
不溶物质: ≤ 0.005%
pH值(5%;水;25°C):6.0 - 7.5
pH值(10 %;水):6.0 - 7.5
氯化物(Cl): ≤ 0.008 %
硫酸盐和亚硫酸盐(以SO₄计): ≤ 0.1 %
硫化物(S):通过测试
重金属(以铅计): ≤ 0.001 %
总氮(N): ≤ 0.002 %
Ca(钙): ≤ 0.002 %
Cu(铜): ≤ 0.0005 %
Fe(铁): ≤ 0.0005%
K(钾): ≤ 0.001 %
Mg(镁): ≤ 0.001 %
Pb(铅): ≤ 0.0005 %
符合ACS、ISO、Reag.Ph Eur
Application
- Synthesis of Aryl Amides from Acyl-Bunte Salts and Aryl Azides: 本文详细介绍了五水硫代硫酸钠在合成有机化学中的应用——特别是在芳基酰胺的合成中——说明了其在促进复杂化学反应中的效用(Chen et al., 2023)。
存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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