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Acids

Phosphoric Acid 85% Semiconductor/ Electronic Grade

Suitable For Cleaning And Etching In Electronic Applications

Article code
PHAS85
CAS
7664-38-2
Grade
Semiconductor/Electronic Grade
Purity
85.00% – 87.00%
Category
Acids

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Properties

Article / SKU
PHAS85
CAS
7664-38-2
Synonyms
Phosphoric acid ORTHOPHOSPHORIC ACID o-Phosphoric acid
Assay
85.00% – 87.00%
PubChem ID
1004
Grade
Semiconductor/Electronic Grade
Color
Max 7
Physical form
Liquid
Appearance
Colorless
Odor
Odorless
pH
< 0.5 at 100 g/l at 20 °C (68 °F)
Melting point
ca.21 °C (ca.70 °F)
Boiling Point
ca.158 °C ca.316 °F at 1,013 hPa
Vapor pressure
2 hPa at 20 °C (68 °F)
Density
1.71 g/cm³ at 20 °C (68 °F)
Solubility
Miscible
Molecular formula
H 3 PO 4
Molecular weight
97.995
Arsenic (As)
Max 50
Autoship Available
Yes
Calcium (Ca)
Max 50
Chloride (Cl)
Max 600
Heavy metals
Max 5,000
Insoluble matter
Max 20,000
Iron (Fe)
Max 50
Lead (Pb)
Max 50
Magnesium (Mg)
Max 50
Nitrate (NO3)
Max 1200
Pillar
High Purity
Sodium (Na)
Max 60
Sulfate (SO4)
Max 7000
Viscosity
30.5 mm2/s at 20 °C (68 °F)

Packaging options — size and article

SizeArticle / SKU
500mlPHAS85-500ML
6 x 500ml CasePHAS85-500MLCS
1LPHAS85-1L
4 x 1L CasePHAS85-1LCS
1GalPHAS85-1GAL
4 x 1Gal CasePHAS85-1GALCS
5GalPHAS85-5GAL
55GalPHAS85-55GAL

Packaging options

  • 500ml
  • 6 x 500ml Case
  • 1L
  • 4 x 1L Case
  • 1Gal
  • 4 x 1Gal Case
  • 5Gal
  • 55Gal

Details

Phosphoric Acid 85% Semiconductor/Electronic Grade

Phosphoric acid , also known as orthophosphoric acid, is a weak triprotic acid. At 85%, it is a colorless and odorless viscous liquid. Semiconductor grade indicates that the solvent is of sufficient purity for the semiconductor manufacturing and electronic industries, having only trace levels of impurities.

Common Uses and Applications

Sanitizing agent for silicon wafers

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