55777

焦亚硫酸钾

analytical standard

• 别名: 偏硫代硫酸钾, 偏重亚硫酸钾
• 线性分子式: K₂S₂O₅
• CAS号: 16731-55-8
• 分子量: 222.32
• EC號碼: 240-795-3
• MDL號碼: MFCD00167605
• 分類程式碼代碼: 85151701
• PubChem物質ID: 329758155
• NACRES: NA.24

属性

• 等級: analytical standard
• 品質等級: 100
• 化驗: ≥98% (RT)
• 儲存期限: limited shelf life, expiry date on the label
• 技術: HPLC: suitable; gas chromatography (GC): suitable
• 溶解度: H₂O: 200 mg/mL, clear to very slightly hazy, colorless
• 應用: cleaning products; cosmetics; food and beverages; personal care
• 格式: neat
• SMILES 字串: [K+].[K+].[O-]S(=O)S([O-])(=O)=O
• InChI: 1S/2K.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
• InChI 密鑰: RWPGFSMJFRPDDP-UHFFFAOYSA-L

说明

一般說明

Potassium disulfite (Potassium metabisulfite, PMB) is an inorganic salt with antimicrobial properties. It is a sulfiting agent that prevents browning of foods.

應用

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

安全信息

• 象形圖: GHS05
• 訊號詞: Danger
• 危險聲明: H318
• 防範說明: P280 - P305 + P351 + P338
• 危險分類: Eye Dam. 1
• 安全危害: EUH031
• 儲存類別代碼: 11 - Combustible Solids
• 水污染物質分類（WGK）: WGK 1