Industrial chemicals · Taylor, TX
Certificate of Analysis

Sample Certificate of Analysis

Phosphoric Acid 5% Food Grade

Food · 5%

Category
Aqueous Acids (C)
Revision
1.7

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 5% Food Grade
Structure · PubChem
Grade
Food · 5%
Assay specification
4.5 - 5.5 %
Answer summary

Sample specification reference for Phosphoric Acid 5% 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)4.5 - 5.5 %4.96 %—
Identification (phosphate)Positive test for phosphatePasses testFCC phosphate identification tests
Mercury (Hg)0.06 ppm Hg0.0016 ppmCold-vapour AAS (EPA 245.1)
Arsenic (As)0.18 mg/kg max0.0052 mg/kg—
Cadmium (Cd)0.18 mg/kg max0.0021 mg/kg—
Chlorides (Cl)0.96 ppm max0.072 ppm—
Fluoride (F)0.59 mg/kg max0.19 mg/kg—
Iron (Fe)0.6 ppm max0.14 ppm—
Lead (Pb)0.19 mg/kg max0.0037 mg/kg—
Sulfate (SO4)6.8 ppm max0.9 ppm—
Color (maximum)10 APHA Units max0.29 APHA—
Composition5 % 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.

Need the Certificate of Analysis for your lot? Just ask.

Tell us the lot number from the container label and we will send the certificate over at no charge.

ProductPhosphoric Acid 5% Food Grade