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等級
ACS reagent
puriss. p.a.
agency
reag. Ph. Eur.
化驗
98-100.5%
形狀
powder
品質
dry
雜質
≤0.01% thiosulfate (S2O3)
pH值
3.5-5.0 (20 °C, 5%)
mp
>300 °C (lit.)
負離子痕跡
chloride (Cl-): ≤50 mg/kg
正離子痕跡
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 字串
[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 密鑰
HRZFUMHJMZEROT-UHFFFAOYSA-L
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一般說明
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。
應用
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。
訊號詞
Danger
危險聲明
危險分類
Acute Tox. 4 Oral - Eye Dam. 1
安全危害
儲存類別代碼
13 - Non Combustible Solids
水污染物質分類（WGK）
WGK 1
閃點（°F）
Not applicable
閃點（°C）
Not applicable
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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
Eagleson M.
Concise Encyclopedia Chemistry, 337-337 (1994)
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