Ex-stock

Orthophosphoric Acid 85%

CAS 7664-38-2·H₃PO₄

Phosphoric acid for mobile-phase pH control and general analysis, including a dedicated HPLC grade.

Grades offered

  • EXTRA PUREExtra PureThe general-purpose tier on most Indian catalogues.
  • ARAnalytical ReagentHigh purity with certified assay and stated trace-impurity limits.
  • HPLCHPLC GradeFiltered, low UV-absorbance solvent for liquid chromatography.
How to choose between them →

Typical applications

  • pH adjustment of HPLC mobile phases
  • Buffer preparation
  • Metallography and steel analysis
EXTRA PURE500 ml

Orthophosphoric Acid 85%

H₃PO₄ · M.W. 98.00 g/mol

CAS
7664-38-2
Assay
85% w/w
HSN
28092010
Batch
Use before
DangerH290 · H314 · UN1805
Representative label. Batch, expiry and the full hazard statement appear on the container and its Safety Data Sheet.

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Pack sizes

  • 500 ml
  • 2.5 L
  • 35 kg carboyOn request

Identification

Identification for Orthophosphoric Acid 85%
CAS number7664-38-2
Molecular formulaH₃PO₄
Molecular weight98.00 g/mol
Assay85% w/w
HSN code28092010

Hazard identification

Signal wordDanger

  • CorrosiveGHS05
  • H290May be corrosive to metals
  • H314Causes severe skin burns and eye damage

TransportUN1805Packing groupIII

This summary is reproduced from the manufacturer’s published classification for Orthophosphoric Acid 85% and is provided to help you plan handling and storage. It is not a substitute for the Safety Data Sheet. Work from the SDS supplied with your consignment — classification can differ by grade, concentration and batch.

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