phosphorous acid

• ChemBase ID: 303903
• Molecular Formular: H3O3P
• Molecular Mass: 81.995781
• Monoisotopic Mass: 81.98198059
• SMILES: OP(O)O
• Canonical SMILES: OP(O)O
• InChI: InChI=1S/H3O3P/c1-4(2)3/h1-3H
• InChIKey: OJMIONKXNSYLSR-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: phosphorous acid
• IUPAC Traditional name: phosphorous acid
• Synonyms: Phosphonic acid; Phosphorous acid; 磷酸

Database IDs

• CAS Number: 13598-36-2
• EC Number: 237-066-7
• MDL Number: MFCD00137258
• Merck Index: 147346

CALCULATED PROPERTIES

• Acid pKa: 17.923574
• H Acceptors: 3
• H Donor: 3
• LogD (pH = 5.5): -1.2778001
• LogD (pH = 7.4): -1.2778
• Log P: -1.2778
• Molar Refractivity: 14.5298 cm^3
• Polarizability: 5.634939 Å^3
• Polar Surface Area: 60.69 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: Soluble in water and alcohol
• Apperance: Crystalline
• Melting Point: 74°C
• Boiling Point: 200°C dec.
• Density: 1.651

Safety Information

• Storage Warning: Air Sensitive & Hygroscopic
• RTECS: SZ6400000
• European Hazard Symbols: Corrosive (C); X
• UN Number: UN2834
• Hazard Class: 8
• Packing Group: III
• Risk Statements: 22-35
• Safety Statements: 26-36/37/39-45
• TSCA Listed: 是
• GHS Pictograms: GHS05; GHS07
• GHS Hazard statements: H314-H318-H302
• GHS Precautionary statements: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A

Product Information

• Purity: 97%