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番号
- 77-92-9
- 構造
構造・PubChem - グレード
- 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.
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