Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Citric Acid Anhydrous - ACS Reagent Grade
ACS Reagent
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 77-92-9
- Structure
Structure · PubChem - Grade
- ACS Reagent
- Assay specification
- Min 99.5%
- Answer summary
Sample specification reference for Citric Acid Anhydrous - ACS Reagent 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
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Assay | Min 99.5% | 99.82% | — |
| Chloride | Max 0.001% | 0.00018% | — |
| Description | Fine granular | Passes test | — |
| Identification | To Pass Test | Passes test | — |
| Insoluble Matter | Max 0.005% | 0.0039% | — |
| Iron | Max 3 ppm | 0.22 ppm | — |
| Lead | Max 2 ppm | 0.028 ppm | — |
| Oxalate (C2O4) | To Pass Test | Passes test | — |
| Phosphate | Max 0.001% | 0.00010% | — |
| Residue after ignition | Max 0.02% | 0.0039% | — |
| Substances carbonizable by hot sulfuric acid | Passes test | Passes test | — |
| Sulfate | Max 0.002% | 0.00056% | — |
| Water (Karl Fischer) | Max 0.5% | 0.14% | Karl Fischer titration |
| Melting range | 152 - 155 C | 153.5 C | USP <741> Class I / capillary |
| arsenic | 1 ppm max | 0.037 ppm | — |
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.