60235

Potassium disulfate

puriss. p.a., ≥97.5% (T)

• 동의어(들): Potassium pyrosulfate
• 실험식(Hill 표기법): K₂S₂O₇
• CAS Number: 7790-62-7
• Molecular Weight: 254.32
• EC Number: 232-216-8
• MDL number: MFCD00011385
• UNSPSC 코드: 12352302
• PubChem Substance ID: 329758835
• NACRES: NA.21

속성

• grade: puriss. p.a.
• Quality Level: 200
• 분석: ≥97.5% (T)
• 양식: powder or crystals
• 불순물: ≤0.002% total nitrogen (N)
• pH: 1-2 (25 °C, 25.5 g/L)
• density: 2.28 g/mL at 25 °C (lit.)
• 음이온 미량물: chloride (Cl^-): ≤5 mg/kg; phosphate (PO₄^3-): ≤10 mg/kg
• 양이온 미량물: Ag: ≤5 mg/kg; Al: ≤5 mg/kg; As: ≤5 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: ≤50 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Tl: ≤5 mg/kg; Zn: ≤5 mg/kg
• SMILES string: [K+].[K+].[O-]S(=O)(=O)OS([O-])(=O)=O
• InChI: 1S/2K.H2O7S2/c;;1-8(2,3)7-9(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2
• InChI key: KAQHZJVQFBJKCK-UHFFFAOYSA-L

설명

일반 설명

Potassium disulfite (Potassium pyrosulfate) has been synthesized from potassium hydrogen sulfate, via melting.

애플리케이션

Potassium disulfite supported on silica may be used for the synthesis of ethyl pyruvate.

기타 정보

Reagent for the decomposition of basic metal oxides by fusion

안전성 정보

• 픽토그램: GHS06,GHS05
• 신호어: Danger
• 유해 및 위험 성명서: H314,H331
• 예방조치 성명서: P260 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Inhalation - Eye Dam. 1 - Skin Corr. 1A
• Storage Class Code: 6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3