dioxochromiumdiol diamine

• ChemBase ID: 149946
• Molecular Formular: CrH8N2O4
• Molecular Mass: 152.07062
• Monoisotopic Mass: 151.98891425
• SMILES: N.N.O[Cr](=O)(=O)O
• Canonical SMILES: O[Cr](=O)(=O)O.N.N
• InChI: InChI=1S/Cr.2H3N.2H2O.2O/h;2*1H3;2*1H2;;/q+2;;;;;;/p-2
• InChIKey: FEIXNIOTSKFSAZ-UHFFFAOYSA-L

NAMES AND DATABASE IDS

Names

• IUPAC name: dioxochromiumdiol diamine
• IUPAC Traditional name: chromic acid diamine
• Synonyms: Chromic acid ammonium salt; Ammonium chromate; 铬酸铵

Database IDs

• CAS Number: 7788-98-9
• EC Number: 232-138-4
• MDL Number: MFCD00015958
• PubChem SID: 24852933; 24846396; 24846394; 162244108
• PubChem CID: 16211153

CALCULATED PROPERTIES

• Acid pKa: -2.30103
• H Acceptors: 4
• H Donor: 2
• LogD (pH = 5.5): -6.720884
• LogD (pH = 7.4): -7.0465326
• Log P: -2.5252
• Molar Refractivity: 8.015 cm^3
• Polarizability: 6.430496 Å^3
• Polar Surface Area: 74.6 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: H2O: soluble1 M at 20 °C, clear, yellow
• Apperance: needles
• Density: 1.91 g/mL at 25 °C(lit.)
• pH: 7.0-8.5 (25 °C, 1 M in H2O)

Safety Information

• RTECS: GB2880000
• European Hazard Symbols: Nature polluting (N); Oxidising (O); Toxic (T)
• UN Number: 1479
• German water hazard class: 3
• Hazard Class: 5.1
• Packing Group: 2
• Risk Statements: 49-8-34-43-50/53
• Safety Statements: 53-17-26-36/37/39-45-60-61
• GHS Pictograms: GHS03; GHS05; GHS08; GHS09
• GHS Signal Word: Danger
• GHS Hazard statements: H272-H314-H334-H350i-H400
• GHS Precautionary statements: P201-P220-P261-P273-P280-P305 + P351 + P338
• 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 1479 5.1/PG 2

Product Information

• Purity: ≥98.0% (RT); ≥99.0% (RT); 98%
• Grade: purum
• Impurities: insoluble matter, passes filter test
• Cation Traces: Ca: ≤50 mg/kg; Cd: ≤10 mg/kg; Co: ≤10 mg/kg; Cu: ≤10 mg/kg; Fe: ≤20 mg/kg; K: ≤50 mg/kg; Mg: ≤10 mg/kg; Mn: ≤10 mg/kg; Na: ≤50 mg/kg; Ni: ≤20 mg/kg; Pb: ≤50 mg/kg; Zn: ≤50 mg/kg
• Antion Traces: chloride (Cl-): ≤50 mg/kg; sulfate (SO42-): ≤100 mg/kg
• Product Line: BioUltra
• abs.: absorption1M/, H2O no transmittance (UV)
• Linear Formula: (NH4)2CrO4

DETAILS

Sigma Aldrich - 216038

Packaging
500 g in poly bottle
Application
Reagent for the preparation of a solid heterogeneous oxidizing agent for liquid phase oxidation of alcohols.1

Sigma Aldrich - 09707

Application
Ammonium chromate has been used to study the α-annealing of recoil atoms in chromates. Ammonium chromate has also been used to report the kinetics of decomposition as well as the thermal decomposition products of ammonium chromate.