Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Trisodium Phosphate Dodecahydrate - ACS Reagent Grade
ACS Reagent
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS番号
- 10101-89-0
- 構造
構造・PubChem - グレード
- ACS Reagent
- Assay specification
- 98.0 - 102.0 %
- Answer summary
Sample specification reference for Trisodium Phosphate Dodecahydrate - 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 (Na3PO4·12H2O) | 98.0 - 102.0 % | 99.8 % | — |
| Appearance / description | White crystals or granules; crystalline powder | Passes test | — |
| Chloride (Cl) | ≤0.001% | 0.00020 % | — |
| Excess alkali (as NaOH) | ≤2.5% | 1.4 % | — |
| Heavy metals (as Pb) | ≤0.001% | 0.00014 % | — |
| Insoluble matter | 0.01 % maximum | 0.0023 % | — |
| Iron (Fe) | ≤0.001% | 0.00020 % | — |
| Sulfate (SO4) | ≤0.01% | 0.0015 % | — |
| Nitrogen compounds (as N) | ≤0.001% | 0.00011 % | ACS Reagent Chemicals — Nesslerization after alkaline distillation |
| pH (1% w/v solution @ 25 C) | 11.5 - 12.5 | 12.1 | Potentiometric, calibrated pH meter, CO2-free water |
| phosphorus pentoxide | 18.3 - 20 % | 19.11 % | — |
| sodium oxide | 16 - 19 % | 17.5 % | — |
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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