72030
连四硫酸钠 二水合物
purum p.a., ≥98.0% (T)
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线性分子式:
NaO3SS2SO3Na · 2H2O
化学文摘社编号:
分子量:
306.27
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
MDL number:
Assay:
≥98.0% (T)
Form:
powder or crystals
Solubility:
H2O: 50 mg/mL, slightly turbid, colorless
产品名称
连四硫酸钠 二水合物, purum p.a., ≥98.0% (T)
InChI
1S/2Na.H2O6S4.2H2O/c;;1-9(2,3)7-8-10(4,5)6;;/h;;(H,1,2,3)(H,4,5,6);2*1H2/q2*+1;;;/p-2
SMILES string
O.O.[Na+].[Na+].[O-]S(=O)(=O)SSS([O-])(=O)=O
InChI key
HAEPBEMBOAIUPN-UHFFFAOYSA-L
grade
purum p.a.
assay
≥98.0% (T)
form
powder or crystals
impurities
10.5-20.0% water (Karl Fischer)
pH
4-6 (25 °C, 30.6 g/L)
solubility
H2O: 50 mg/mL, slightly turbid, colorless
density
2.1 g/mL at 25 °C (lit.)
anion traces
thiosulfate (S2O32-): ≤500 mg/kg
cation traces
Ca: ≤500 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤100 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg
storage temp.
2-8°C
Quality Level
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Application
在一项研究中，四硫酸钠二水合物可用于组成0.2M 三羟甲基氨基甲烷缓冲液。
General description
四硫酸钠二水合物是四硫酸钠的二水合物。它是由硫代硫酸钠经碘氧化合成的。其晶体呈现单斜晶系和空间群C23-C2。
Other Notes
硫代硫酸化剂；它与硫醇反应，例如半胱氨酸到硫代硫醇，用于蛋白质中总半胱氨酸/胱氨酸的定量测定；酶的可逆失活
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
[5] Determination of cystine and cysteine as S-sulfocysteine.
T Y Liu et al.
Methods in enzymology, 25, 55-60 (1972-01-01)
The interaction of oxidized glutathione, cystamine monosulfoxide, and tetrathionate with the-SH groups of rabbit muscle D-glyceraldehyde 3-phosphate dehydrogenase.
A PIHL et al.
The Journal of biological chemistry, 237, 1356-1362 (1962-04-01)
The Crystal Structure of Sodium Tetrathionate Dihydrate.
Foss O and Hordvik A.
Acta Chemica Scandinavica, 18(3), 662-662 (1964)
The mechanism of inactivation of glyceraldehyde 3-phosphate dehydrogenase by tetrathionate, o-iodosobenzoate, and iodine monochloride.
D J Parker et al.
The Journal of biological chemistry, 244(1), 180-189 (1969-01-10)
Parameth Thiennimitr et al.
Proceedings of the National Academy of Sciences of the United States of America, 108(42), 17480-17485 (2011-10-05)
Conventional wisdom holds that microbes support their growth in vertebrate hosts by exploiting a large variety of nutrients. We show here that use of a specific nutrient (ethanolamine) confers a marked growth advantage on Salmonella enterica serovar Typhimurium (S. Typhimurium)
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