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About This Item
線性公式:
K2S2O5
CAS號碼:
分子量：:
222.32
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NA.25
暫時無法取得訂價和供貨情況
推薦產品
等級
reagent grade
產品線
BioUltra
化驗
≥97.0% (RT)
雜質
insoluble matter, passes filter test
pH值
2.5-4.5 (25 °C, 0.1 M in H2O)
溶解度
H2O: 0.1 M at 20 °C, clear, colorless
負離子痕跡
chloride (Cl-): ≤50 mg/kg
正離子痕跡
Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤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
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤1000 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg
吸收
cut-off at 308 nm in H2O at 0.1 M
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
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相關類別
應用
Potassium disulfite (Potassium metabisulfite) may be use to study is antioxidant effects and ability to preserve food. Potassium disulfite may be used as an inhibitor of yeasts, bacteria, and fungi growth. Potassium metabisulfite may be used to study its potential toxicities in vivo.
訊號詞
Danger
危險聲明
危險分類
Eye Dam. 1
安全危害
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 1
個人防護裝備
dust mask type N95 (US), Eyeshields, Gloves
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