推荐产品
等級
analytical standard
品質等級
化驗
≥98.0% (iodometric, RT)
儲存期限
limited shelf life, expiry date on the label
mp
>300 °C (lit.)
負離子痕跡
chloride (Cl-): ≤50 mg/kg
thiosulfate (S2O32-): ≤500 mg/kg
正離子痕跡
As: ≤0.5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤200 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
應用
cleaning products
cosmetics
food and beverages
personal care
格式
neat
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
偏重亚硫酸钠主要用作多种食品和药物的抗氧化剂和抗微生物添加剂。也可用作预防虾黑变病的主要添加剂。
應用
偏重亚硫酸钠可用作一种抗氧化剂，在通过毛细管电泳测定牙科麻醉剂溶液中的肾上腺素含量时添加到麻醉剂配方中以将肾上腺素氧化最小化。在通过高效液相色谱法和电化学检测法测定人血浆中儿茶酚胺时，还可用作测定标准品。
分析報告
痕量金属分析：符合要求
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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