Industrial chemicals · Taylor, TX
Certificate of Analysis

Sample Certificate of Analysis

Phosphoric Acid 75% Technical Grade

75%

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 75% Technical Grade
Structure · PubChem
Grade
75%
Assay specification
75.0 - 75.5 %
Answer summary

Sample specification reference for Phosphoric Acid 75% Technical 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)75.0 - 75.5 %75.06 %—
Chloride (as Cl)25 max. ppm3.5 ppm—
Color, APHA10 max.5—
Iron (as Fe)10 max. ppm2.9 ppm—
Specific gravity @ 25/15.5°C1.574 - 1.5801.577—
phosphoric acid % h3po475 - 75.5 %75.1 %—
Phosphate (as P2O5)54.2 % min.54.2 %Titration; reported as P2O5 (H3PO4 x 0.7237)
arsenic0.000044 % max0.0000098 %—
cadmium0.000088 % max0.0000032 %—
fluoride0.00088 % max0.00018 %—
heavy metal0.00044 % max0.000035 %—
lead0.000088 % max0.0000036 %—
mercury0.000088 % max0.0000025 %—
nitrates0.00045 % max0.000045 %—
oxidable matter0.011 % max0.0016 %—
sulfates0.0044 % max0.0023 %—
volatile acid0.00088 % max0.00020 %—
copper4.4 ppm max0.8 ppm—
Composition75 % phosphoric acid in deionized water, by weightConformsBy formulation; confirmed by specific gravity

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 75% Technical Grade