13459
偏亚硫酸氢钠
puriss., meets analytical specification of Ph. Eur., BP, NF, FCC, E223, dry, 97-100.5%
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
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-673-0
MDL number:
Assay:
97-100.5%
Form:
powder or crystals
grade
puriss.
Quality Level
assay
97-100.5%
form
powder or crystals
quality
dry, meets analytical specification of Ph. Eur., BP, NF, FCC, E223
composition
SO2, 65.0-67.4%
impurities
residue of solvents, complies, ≤0.02% thiosulfate (S2O3)
pH
3.5-5.0 (20 °C, 5%)
mp
>300 °C (lit.)
anion traces
chloride (Cl-): ≤100 mg/kg
cation traces
As: ≤2 mg/kg, Cu: ≤10 mg/kg, Fe: ≤10 mg/kg, Hg: ≤1 mg/kg, Pb: ≤2 mg/kg, Se: ≤5 mg/kg, Zn: ≤10 mg/kg
suitability
complies for appearance of solution
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
General description
偏亚硫酸氢钠（MBS，亚硫酸氢钠）是一种无机盐。它是亚硫酸的钠盐。在纺织和摄影行业，这种盐广泛用作还原剂。它通常作为防腐剂添加到各种食品和葡萄酒中。
Application
通过溶液中的自由基聚合时，亚硫酸氢钠可用于引发囊泡膜中心的聚丁二烯交联。 在各种研究中，在制备 6-羟基多巴胺储备液过程中，可以添加偏亚硫酸氢钠作为氧化剂。
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1
supp_hazards
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Zhiliang Cheng et al.
Langmuir : the ACS journal of surfaces and colloids, 24(15), 8169-8173 (2008-06-24)
The ability of chelated Gd to serve as an effective magnetic resonance (MR) contrast agent largely depends on fast exchange rates between the Gd-bound water molecules and the surrounding bulk water. Because water diffuses slowly across lipid bilayers, liposomes with
Eagleson M.
Concise Encyclopedia Chemistry, 337-337 (1994)
W Wright et al.
The American review of respiratory disease, 141(6), 1400-1404 (1990-06-01)
Sodium metabisulfite (MBS) is used as a preservative in food and wine and frequently triggers attacks of asthma. To determine the characteristics of responses to inhaled MBS, 30 asthmatic subjects and 16 nonasthmatic subjects inhaled MBS, in concentrations of 6.2
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 325341-100ML | 04061826712900 |
| 13459-1KG-R | 04061838730138 |
| 13459-4X5KG-R | 04061833388983 |
| 13459-5KG-R | 04061833636251 |
| 13459-500G-R | 04061838730145 |