31448
偏亚硫酸氢钠
puriss. p.a., ACS reagent, reag. Ph. Eur., dry, 98-100.5%
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:
NB.24
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-673-0
MDL number:
Assay:
98-100.5%
Form:
powder
Quality Level
agency
reag. Ph. Eur.
grade
ACS reagent, puriss. p.a.
assay
98-100.5%
form
powder
quality
dry
impurities
≤0.01% thiosulfate (S2O3)
pH
3.5-5.0 (20 °C, 5%)
mp
>300 °C (lit.)
anion traces
chloride (Cl-): ≤50 mg/kg
cation traces
As: ≤0.5 mg/kg, Ca: ≤50 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤100 mg/kg, Ni: ≤50 mg/kg, Pb: ≤5 mg/kg, Zn: ≤10 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
General description
偏亚硫酸氢钠（MBS，亚硫酸氢钠）是一种无机盐。它是二硫化（焦亚硫酸）的钠盐。它广泛用于纺织染色、摄影和造纸工业。它通常作为防腐剂添加到各种食品和葡萄酒中。
Application
在囊泡膜中心发生聚丁二烯的交联聚合过程中，偏亚硫酸氢钠可被用作引发剂。 在各种制备 6-羟基多巴胺的储备液的研究中，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
13 - Non 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 |
|---|---|
| 31448-2.5KG | 04061833030851 |
| 31448-140G-KC | 04061833448731 |
| 31448-1KG | 04061835562459 |
| 31448-500G | 04061835562466 |
| 31448-6X2.5KG | 04061833030875 |