223697

焦硫酸鉀

ACS reagent, Mixture of K₂S₂O₇ and KHSO₄

• MDL编号: MFCD00066385
• UNSPSC代码: 12352302
• PubChem化学物质编号: 329752314
• NACRES: NB.24

属性

• 等级: ACS reagent
• 表单: powder
• 浓度: 37.5-38.6% H₂SO₄ in NaOH (titration)
• 杂质: ≤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.)
• 痕量阴离子: chloride (Cl^-): ≤0.002%; phosphate (PO₄^3-): ≤0.001%
• 痕量阳离子: Ca: ≤0.002%; Fe: ≤0.002%; Mg: ≤0.001%; Na: ≤0.01%; heavy metals: ≤0.001%
• SMILES字符串: [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 key: ZXJZSJHWYNTTSK-UHFFFAOYSA-K

安全信息

• 象形图: GHS06,GHS05
• 警示用语：: Danger
• 危险声明: H314,H331,H335
• 预防措施声明: P260 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• 危险分类: Acute Tox. 3 Inhalation - Eye Dam. 1 - Skin Corr. 1A - STOT SE 3
• 靶器官: Respiratory system
• 储存分类代码: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 3
• 闪点(°F): Not applicable
• 闪点(°C): Not applicable