Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Urea - Organic Nitrogen Technical Grade
Technical
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 57-13-6
- Structure
Structure · PubChem - Grade
- Technical
- Answer summary
Sample specification reference for Urea - Organic Nitrogen Technical Grade. Source-record results are reference values, not measurements for your lot.
Last reviewed 2026-06-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Urea content | ≥ 99 Wt. % | 99.29 Wt. % | — |
| Formaldehyde | ≤15 mg/kg | 2.4 mg/kg | — |
| Alkalinity as NH3 | ≤ 0.6 % | 0.040 % | — |
| Aluminum | ≤ 1.5 mg/kg | 0.074 mg/kg | — |
| Free Ammonia (NH3) | max. 0,02 % | 0.0083 % | Volumetry |
| Ash | max. 0,02 % | 0.0037 % | Gravimetric analysis |
| Calcium as Ca | ≤1.5 mg/kg | 0.24 mg/kg | — |
| Chlorides (Cl-) | max. 0.001 % | 0.00019 % | Colorimetry |
| Chromium as Cr | ≤ 0.6 mg/kg | 0.041 mg/kg | — |
| Copper as Cu | ≤ 0.6 mg/kg | 0.016 mg/kg | — |
| Granulometry, 0,5 - 3,0 mm, prills | min. 96.0 % | 98.1 % | Sieving |
| Insoluble matter | ≤ 57 mg/kg | 7.7 mg/kg | — |
| Magnesium as Mg | ≤ 1.5 mg/kg | 0.052 mg/kg | — |
| Nickel as Ni | ≤ 0.6 mg/kg | 0.025 mg/kg | — |
| Nitrogen, total | ≥46 % | 46.3 % | AOAC 2.4.05 (978-02) |
| Particle size (prilled technical grade) | Min. 80 % retained between 1 mm and 2.8 mm | Passes test | IS sieve |
| Phosphate as PO4 | ≤ 1.5 mg/kg | 0.15 mg/kg | — |
| Potassium as K | ≤1.5 mg/kg | 0.035 mg/kg | — |
| Sodium as Na | ≤1.5 mg/kg | 0.20 mg/kg | — |
| Zinc as Zn | ≤ 0.6 mg/kg | 0.078 mg/kg | — |
| Biuret | ≤ 0.90 Wt. % | 0.32 wt. % | — |
| Iron as Fe | ≤ 1.5 mg/kg | 0.37 mg/kg | — |
| Moisture | ≤ 0.5 Wt. % | 0.21 wt. % H2O | — |
| conditioner | 1.76 %wt max | 1.360 | — |
| ph 10% solution | 7 - 10 pH_unit | 8.5 | — |
| turbidity as sio2 | 10 ppm max | 0 | — |
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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