disodium dioxochromiumbis(olate) tetrahydrate

• ChemBase ID: 146385
• Molecular Formular: CrH8Na2O8
• Molecular Mass: 234.03436
• Monoisotopic Mass: 233.94196328
• SMILES: O.O.O.O.[O-][Cr](=O)(=O)[O-].[Na+].[Na+]
• Canonical SMILES: [O-][Cr](=O)(=O)[O-].O.O.O.O.[Na+].[Na+]
• InChI: InChI=1S/Cr.2Na.4H2O.4O/h;;;4*1H2;;;;/q;2*+1;;;;;;;2*-1
• InChIKey: AVHUVTPOXZEIRG-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: disodium dioxochromiumbis(olate) tetrahydrate
• IUPAC Traditional name: disodium chromate(2-) tetrahydrate
• Synonyms: Sodium chromate tetrahydrate, Reagent Grade; Sodium chromate tetrahydrate; 氯酸钠四水合物; 铬酸钠四水合物,试剂级; 铬酸钠 四水合物

Database IDs

• CAS Number: 10034-82-9
• EC Number: 231-889-5
• MDL Number: MFCD00149167
• Merck Index: 148601
• PubChem SID: 162240582; 24852969
• PubChem CID: 22146515

CALCULATED PROPERTIES

• Acid pKa: -2.30103
• H Acceptors: 4
• H Donor: 0
• LogD (pH = 5.5): -6.720884
• LogD (pH = 7.4): -7.0465326
• Log P: -2.5252
• Molar Refractivity: 5.7716 cm^3
• Polarizability: 6.1887565 Å^3
• Polar Surface Area: 80.26 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Apperance: Crystalline
• Density: 2.73

Safety Information

• Storage Warning: Hygroscopic
• RTECS: GB2958300
• European Hazard Symbols: Nature polluting (N); Highly toxic (T+)
• UN Number: 3288; UN3288
• German water hazard class: 3
• Hazard Class: 6.1
• Packing Group: 2; II
• Risk Statements: 45-46-60-61-21-25-26-34-42/43-48/23-50/53
• Safety Statements: 53-45-60-61
• TSCA Listed: 是
• GHS Pictograms: GHS05; GHS06; GHS08; GHS09
• GHS Signal Word: Danger
• GHS Hazard statements: H300-H311-H330-H317-H334-H340-H350-H360-H372-H314-H318-H400-H410; H301-H312-H314-H317-H330-H334-H340-H350-H360FD-H372-H410
• GHS Precautionary statements: P201-P260-P273-P280-P284-P301 + P310; P260-P301+P310-P303+P361+P353-P304+P340-P305+P351+P338-P320-P330-P361-P405-P501A
• 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
• RID/ADR: UN 3288 6.1/PG 2

Product Information

• Purity: 99%; 99+%
• Linear Formula: Na2CrO4 · 4H2O

DETAILS

Sigma Aldrich - 216623

Packaging
100, 500 g in poly bottle