dipotassium dihydrate hydrogen arsorate

• ChemBase ID: 137978
• Molecular Formular: AsH5K2O6
• Molecular Mass: 254.1543
• Monoisotopic Mass: 253.85762224
• SMILES: O.O.O[As](=O)([O-])[O-].[K+].[K+]
• Canonical SMILES: [O-][As](=O)(O)[O-].O.O.[K+].[K+]
• InChI: InChI=1S/AsH3O4.2K.2H2O/c2-1(3,4)5;;;;/h(H3,2,3,4,5);;;2*1H2/q;2*+1;;/p-2
• InChIKey: GZQGXXZBWQAHKS-UHFFFAOYSA-L

NAMES AND DATABASE IDS

Names

• IUPAC name: dipotassium dihydrate hydrogen arsorate
• IUPAC Traditional name: dipotassium dihydrate hydrogen arsenate
• Synonyms: Potassium hydrogenarsenate dihydrate; 砷酸氢二钾 二水合物

Database IDs

• CAS Number: 308103-48-2
• EC Number: 232-065-8
• MDL Number: MFCD01321295
• PubChem SID: 162232237; 24870896
• PubChem CID: 16213153

CALCULATED PROPERTIES

• Acid pKa: 3.1531765
• H Acceptors: 4
• H Donor: 1
• LogD (pH = 5.5): -3.27436
• LogD (pH = 7.4): -4.5524263
• Log P: -1.21
• Molar Refractivity: 6.8933 cm^3
• Polarizability: 7.200474 Å^3
• Polar Surface Area: 83.42 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Melting Point: 300 °C (dec.)(lit.)

Safety Information

• European Hazard Symbols: Nature polluting (N); Toxic (T)
• UN Number: 1677
• German water hazard class: 3
• Hazard Class: 6.1
• Packing Group: 2
• Risk Statements: 45-23/25-50/53
• Safety Statements: 53-45-60-61
• GHS Pictograms: GHS06; GHS08; GHS09
• GHS Signal Word: Danger
• GHS Hazard statements: H301-H331-H350-H410
• GHS Precautionary statements: P201-P261-P273-P301 + P310-P311-P501
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
• RID/ADR: UN 1677 6.1/PG 2

Product Information

• Purity: 99.99%
• Linear Formula: K2HAsO4·2H2O

DETAILS

Sigma Aldrich - 473332

Packaging
25 g in glass bottle