Industrial chemicals · Taylor, TX
Certificate of Analysis

Sample Certificate of Analysis

Phosphoric Acid 85% USP Food Grade

USP Food Grade · 85%

Category
Aqueous Acids (C)
Revision
1.6

Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.

CAS number
7664-38-2
Structure
2D chemical structure of Phosphoric Acid 85% USP Food Grade
Structure · PubChem
Grade
USP Food Grade · 85%
Assay specification
85.0 - 88.0 %
Answer summary

Sample specification reference for Phosphoric Acid 85% USP Food Grade. Source-record results are reference values, not measurements for your lot.

Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).

Specifications

ParameterSpecificationSource reference resultTest Method
Assay (H3PO4)85.0 - 88.0 %85.2 %acidimetry
Arsenic (As)Not more than 3 mg/kg0.09 mg/kg—
Cadmium (Cd)Not more than 3 mg/kg0.026 mg/kg—
Chlorides (Cl)10 ppm Cl maximum0.8 ppm—
Fluoride (F)10 mg/kg max1.4 mg/kg—
Iron (Fe)10 ppm Fe maximum1.2 ppm—
Lead (Pb)Not more than 3 mg/kg0.035 mg/kg—
Phosphate (P2O5)61.5 % MIN61.5 %—
Specific Gravity (@ 25/15.5°C)1.686 - 1.6921.691—
Sulfate (SO4)100 ppm SO4 maximum15 ppm—
Mercury (Hg)Not more than 1 mg/kg0.012 mg/kgCold-vapour AAS (EPA 245.1)

Specification limits and source-record results are reproduced from the current product reference used by the TDS. This sample is not an issued certificate and does not identify a tested lot. Contact Alliance Chemical with the product and lot number for lot-specific documentation.

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ProductPhosphoric Acid 85% USP Food Grade