Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Ammonium Hydroxide 29% Technical Grade
Technical Grade · 29%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 1336-21-6
- Structure
Structure · PubChem - Grade
- Technical Grade · 29%
- Assay specification
- not less than 27.0 percent and not more than 31.0 percent (w/w) of NH3
- Answer summary
Sample specification reference for Ammonium Hydroxide 29% Technical 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 (NH3) | not less than 27.0 percent and not more than 31.0 percent (w/w) of NH3 | 29.0 percent | Weigh cooled specimen into 1 N sulfuric acid VS; titrate excess acid with 1 N sodium hydroxide VS using methyl red TS. Each mL of 1 N sulfuric acid is equivalent to 17.03 mg of NH3 |
| Ammonia, wt. % (commercial 29% aqua ammonia grade) | 29.4 - 30.4 | 29.5 wt. % | — |
| Heavy metals | 0.0013% | 0.00009 % | Heavy metals (as Pb), sulfide colour comparison against lead standard on the evaporation residue |
| Readily oxidizable substances | the pink color does not completely disappear within 10 minutes | Passes test | 4.0 mL sample + 6 mL water, slight excess 2 N sulfuric acid, 0.10 mL 0.1 N potassium permanganate |
| Limit of nonvolatile residue | not more than 5 mg of residue remains (0.05%) | 0.0056 % | Evaporate 10 mL in a tared platinum or porcelain dish to dryness, dry at 105° for 1 hour |
| Specific gravity (26° Baumé at 60 °F) | 0.8974 | 0.8974 | — |
| Iron (Fe) | Max 1.0 ppm | 0.090 ppm | 1,10-phenanthroline colorimetry / AAS |
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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