Potassium dichromate

• Catalog No.: P2588
• CAS Number: 7778-50-9
• M. F.: Cr2K2O7
• M. W.: 294.1846
• Purity: ≥99.5%

SYNONYMS

• Title: 重铬酸钾
• IUPAC name: dipotassium [(oxidodioxochromio)oxy]chromiumoylolate
• IUPAC Traditional name: dipotassium chromate
• Synonyms: 红矾钾

DATABASE IDS

• CAS Number: 7778-50-9
• MDL Number: MFCD00011367
• PubChem SID: 24898340
• EC Number: 231-906-6

PROPERTIES

• Antion Traces: sulfate (SO42-): <0.005%
• Cation Traces: Al: <0.0005%
• Cation Traces: Ca: <0.0005%
• Cation Traces: Cu: <0.0005%
• Cation Traces: Fe: <0.001%
• Cation Traces: Mg: <0.0005%
• Cation Traces: Na: <0.05%
• Cation Traces: Pb: <0.001%
• Cation Traces: Zn: ≤0.001%
• Impurities: <0.005% Phosphorus (P)
• Impurities: <0.1% Insoluble matter
• Purity: ≥99.5%
• Melting Point: 398 °C(lit.)
• Solubility: H2O: soluble0.1 M at 20 °C, clear, orange
• GHS Signal Word: Danger
• GHS Hazard statements: H272-H301-H312-H314-H317-H330-H334-H340-H350-H360FD-H372-H410
• European Hazard Symbols: Oxidising (O)
• European Hazard Symbols: Highly toxic (T+)
• European Hazard Symbols: Nature polluting (N)
• Personal Protective Equipment: Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
• GHS Precautionary statements: P201-P220-P260-P273-P280-P284
• RID/ADR: UN 3086 6.1/PG 1
• Risk Statements: 45-46-60-61-8-21-25-26-34-42/43-48/23-50/53
• RTECS: HX7680000
• Safety Statements: 53-45-60-61
• Hazard Class: 6.1
• UN Number: 3086
• Packing Group: 1
• German water hazard class: 3

DETAILS

Description (简体中文)

包装
1 kg in poly bottle
250 g in poly bottle