oxophosphinic acid

• ChemBase ID: 130888
• Molecular Formular: HO3P
• Molecular Mass: 79.979901
• Monoisotopic Mass: 79.96633052
• SMILES: OP(=O)=O
• Canonical SMILES: OP(=O)=O
• InChI: InChI=1S/HO3P/c1-4(2)3/h(H,1,2,3)
• InChIKey: UEZVMMHDMIWARA-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: oxophosphinic acid
• IUPAC Traditional name: oxophosphinic acid
• Synonyms: Phosphoric acid (meta); Metaphosphoric acid, ACS; Metaphosphoric acid; meta-Phosphoric acid; Metaphosphoric acid; (Stablizer); 偏磷酸; (Stabilizer)

Database IDs

• CAS Number: 37267-86-0
• EC Number: 253-433-4
• MDL Number: MFCD00011351
• Merck Index: 147345
• PubChem SID: 24845676; 24887483; 24897090; 24854366; 162225166; 24887485
• PubChem CID: 3084658

CALCULATED PROPERTIES

• Acid pKa: -2.0
• H Acceptors: 3
• H Donor: 1
• LogD (pH = 5.5): -3.1719975
• LogD (pH = 7.4): -3.172
• Log P: -0.9082
• Molar Refractivity: 12.2864 cm^3
• Polarizability: 4.7554817 Å^3
• Polar Surface Area: 54.37 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: Decomposes in water. Soluble in alcohol
• Apperance: chips; Crystalline; lumps (glassy); pieces
• Density: 2.2

Safety Information

• Storage Warning: Hygroscopic
• European Hazard Symbols: Corrosive (C)
• UN Number: 3260; UN3260
• German water hazard class: 3
• Hazard Class: 8
• Packing Group: 3; III
• Risk Statements: 22-35; 34; 34-37
• Safety Statements: 20-26-36/37/39-45-60; 26-36/37/39-45; 26-36/37/39-45-60
• TSCA Listed: 是
• GHS Pictograms: GHS05; GHS07
• GHS Signal Word: Danger
• GHS Hazard statements: H302-H314; H314; H314-H335
• GHS Precautionary statements: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A; P261-P280-P305 + P351 + P338-P310; P280-P305 + P351 + P338-P310
• 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 3260 8/PG 3

Product Information

• Purity: ~65% HPO3 basis; ≥32.0% HPO3 basis; ≥33.5%; ≥33.5% (T); ≥37.0% HPO3 basis; 33.5-36.5%; 33.5-36.5% HPO3 basis; 33.5-36.5%, bal. NaPO; 39-43%, bal. NaPO; 40-50% (HPO3)n basis; 50-60% (NaPO3)n basis
• Grade: ACS reagent; puriss. p.a.; purum; SAJ first grade; SAJ special grade
• Impurities: ~35% (NaPO3); <0.1% Insoluble matter; ≤0.001% heavy metals (as Pb); ≤0.02% Substances reducing permanganate (as H3PO3
• Cation Traces: Al: <0.0005%; As: ≤1 mg/kg; As: ≤1 ppm; As: ≤5 mg/kg; Ca: <0.001%; Ca: ≤20 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: <0.0005%; Cu: ≤5 mg/kg; Fe: <0.0005%; Fe: ≤0.005%; Fe: ≤10 mg/kg; Fe: ≤100 mg/kg; heavy metals (as Pb): ≤0.005%; K: <0.005%; K: ≤50 mg/kg; Mg: <0.0005%; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; NH4+: <0.05%; Ni: ≤5 mg/kg; Pb: <0.001%; Pb: ≤5 mg/kg; Zn: <0.0005%; Zn: ≤5 mg/kg
• Antion Traces: chloride (Cl-): <0.001%; chloride (Cl-): ≤0.001%; chloride (Cl-): ≤10 mg/kg; chloride (Cl-): ≤20 mg/kg; MnO4- reducers: ≤0.02%; nitrate (NO3-): ≤0.001%; nitrate (NO3-): ≤5 mg/kg; sulfate (SO42-): <0.005%; sulfate (SO42-): ≤0.005%; sulfate (SO42-): ≤20 mg/kg
• Contains: ≥57.0% NaPO3 as stabilizer; 57.0-63.0% NaPO3 as stabilizer; 57.0-63.0% sodium phosphite as stabilizer; 57-63% NaPO3 as stabilizer
• Linear Formula: (HPO3)n

DETAILS

Sigma Aldrich - 239275

Packaging
100, 500, 6×500 g in poly bottle
2.5 kg in poly bottle
5 g in glass bottle

Sigma Aldrich - M6288

包装
100 g in poly bottle