223697

焦硫酸鉀

ACS reagent, Mixture of K₂S₂O₇ and KHSO₄

• MDL號碼: MFCD00066385
• 分類程式碼代碼: 12352302
• PubChem物質ID: 329752314
• NACRES: NB.24

屬性

• 等級: ACS reagent
• 品質等級: 200
• 形狀: powder
• 濃度: 37.5-38.6% H₂SO₄ in NaOH (titration)
• 雜質: ≤0.002% H₂SO₄; ≤0.01% insolubles; ≤2.5% water
• 酸值: 37.5‑38.6%
• 密度: 2.512 g/mL at 25 °C (lit.)
• 負離子痕跡: chloride (Cl^-): ≤0.002%; phosphate (PO₄^3-): ≤0.001%
• 正離子痕跡: Ca: ≤0.002%; Fe: ≤0.002%; Mg: ≤0.001%; Na: ≤0.01%; heavy metals: ≤0.001%
• SMILES 字串: [K+].[K+].[K+].OS([O-])(=O)=O.[O-]S(=O)(=O)OS([O-])(=O)=O
• InChI: 1S/3K.H2O7S2.H2O4S/c;;;1-8(2,3)7-9(4,5)6;1-5(2,3)4/h;;;(H,1,2,3)(H,4,5,6);(H2,1,2,3,4)/q3*+1;;/p-3
• InChI 密鑰: ZXJZSJHWYNTTSK-UHFFFAOYSA-K

安全資訊

• 象形圖: GHS06,GHS05
• 訊號詞: Danger
• 危險聲明: H314,H331,H335
• 防範說明: P260 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• 危險分類: Acute Tox. 3 Inhalation - Eye Dam. 1 - Skin Corr. 1A - STOT SE 3
• 標靶器官: Respiratory system
• 儲存類別代碼: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• 水污染物質分類（WGK）: WGK 3
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable