Industrial chemicals · Taylor, TX
Certificate of Analysis

Sample Certificate of Analysis

Phosphoric Acid 85% ACS Grade

ACS 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% ACS Grade
Structure · PubChem
Grade
ACS Grade · 85%
Assay specification
85.0% min.
Answer summary

Sample specification reference for Phosphoric Acid 85% ACS 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% min.85.01 %—
Arsenic (As)1 ppm Max.0.028 ppm—
Calcium (Ca)0.002% Max0.00011 %—
Chloride (Cl)3 ppm Max.0.29 ppm—
Color (APHA)Max 104—
Heavy metals (as Pb)0.001 % max0.00010 %—
Insoluble matter0.001% Max.0.000050 %—
Iron (Fe)0.003% Max0.00011 %—
Magnesium (Mg)0.002% Max0.00018 %—
Nitrate (NO3)5 ppm Max.0.52 ppm—
KMnO4 reducible matter (as O)≤0.001%0.000025 %—
Reducing substancesPasses TestPasses test—
Sodium (Na)0.025% Max.0.0017 %—
Sulfate (SO4)0.003% Max0.00066 %—
Volatile acids (as CH3COOH)≤0.001%0.00013 %—
Specific gravity @ 25/15.5 °C1.686 - 1.6921.689Hydrometer

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% ACS Grade