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Phosphoric acid

  • Phosphoric acid

Phosphoric acid

Linear Formula:H3PO4
CAS Number:7664-38-2
Molecular Weight:98.00
UNSPSC Code:12352106
NACRES:NA.21
EC Number:231-633-2
Beilstein/REAXYS Number:1921286
MDL number:MFCD00011340
eCl@ss:38070202
Assay:≥85% H3PO4 basis (by NaOH, titration)
Concentration:≥85 wt. % in H2O
Form:liquid
Grade:ACS reagent
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Product Introduction

Chemical & Physical Properties 

Density2.2±0.1 g/cm3
Boiling Point158.0±0.0 °C at 760 mmHg
Melting Point~40 °C(lit.)
Molecular FormulaH3O4P
Molecular Weight97.995
Exact Mass97.976898
PSA87.57000
LogP-2.15
Vapour density3.4 (vs air)
Vapour Pressure1.4±0.6 mmHg at 25°C
Index of Refraction1.510
InChIKeyNBIIXXVUZAFLBC-UHFFFAOYSA-N
SMILESO=P(O)(O)O
Water SolubilityMISCIBLE


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