Industrial chemicals · Taylor, TX
Certificate of Analysis

Sample Certificate of Analysis

Potassium Hydroxide Flakes ACS Grade

ACS Grade · 86.8%

Category
Bases & Salts (E)
Revision
1.6

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

CAS number
1310-58-3
Structure
2D chemical structure of Potassium Hydroxide Flakes ACS Grade
Structure · PubChem
Grade
ACS Grade · 86.8%
Assay specification
>/= 85% KOH
Answer summary

Sample specification reference for Potassium Hydroxide Flakes ACS Grade. Source-record results are reference values, not measurements for your lot.

Last reviewed 2026-06-18 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).

Specifications

ParameterSpecificationSource reference resultTest Method
Assay (KOH)>/= 85% KOHPasses test—
Calcium (Ca)Max 0.005%0.00037 %—
Chloride (Cl)Max 0.01%0.0016 %—
Heavy metalsMax 0.001%0.00010 %ICP-OES
Iron (Fe)≤0.001 %0.00014 %—
Magnesium (Mg)Max 0.002%0.00012 %—
Nickel (Ni)Max 0.001%0.00015 %—
Nitrogen compounds (as N)Max 0.001%0.00012 %—
Phosphate (PO4)Max 5 ppm0.36 ppm—
Sodium (Na)Max 0.05%0.014 %—
Sulfate (SO4)Max 0.003%0.00028 %—
Potassium carbonate (K2CO3)</= 2.0%Passes test—
Ammonium hydroxide precipitateMax 0.02%0.0017 %Gravimetric — NH4OH precipitation and ignition
carbonates1 % max0.22 %—

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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ProductPotassium Hydroxide Flakes ACS Grade