Sodium dichromate dihydrate

• Catalog No.: 12266
• CAS Number: 7789-12-0
• M. F.: Cr2H4Na2O9
• M. W.: 297.9981
• Purity: ≥99%

SYNONYMS

• Title: 重铬酸钠 二水合物
• IUPAC name: disodium [(oxidodioxochromio)oxy]chromiumoylolate dihydrate
• IUPAC Traditional name: disodium chromate dihydrate
• Synonyms: Sodium bichromate; 红矾钠

DATABASE IDS

• MDL Number: MFCD00149166
• EC Number: 234-190-3
• CAS Number: 7789-12-0
• PubChem SID: 24847501

PROPERTIES

• Antion Traces: chloride (Cl-): ≤500 mg/kg
• Antion Traces: sulfate (SO42-): ≤5000 mg/kg
• Grade: purum
• Linear Formula: Na2Cr2O7 · 2H2O
• Purity: ≥99%
• Melting Point: 91 °C(lit.)
• 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: dust mask type N95 (US), Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P2 (EN 143) respirator cartridges, 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: HX7750000
• Safety Statements: 53-45-60-61
• German water hazard class: 3