Urea Pellets 99% USP Grade from Lab Alley has 99% of purity; it is a high-quality chemical compound that meets USP specifications. White or almost white, crystalline powder or transparent crystals, slightly hygroscopic, very soluble in water, soluble in alcohol, practically insoluble in methylene chloride.
It is also known as carbamide, carbonyl diamide, or carbonyldiamine. Urea Pellets 99% USP Grade is commonly utilized as a fertilizer in agriculture, for the manufacture of various plastics and resins, in automobile exhaust catalytic converters, and as a laboratory reagent for medical purposes.
Urea Crystalline Powder 99%, USP Grade is a white or almost white crystalline powder. You may also get transparent crystals. The CAS number is 57-13-6, and the assay is listed as 98.0 to 102.0%. It meets USP specifications. The material is slightly hygroscopic, very soluble in water, soluble in alcohol and practically insoluble in methylene chloride. Some people know it as carbamide, carbonyl diamide or carbonyldiamine. The paperwork sits right on the page, so you don’t have to chase it. You’ll find the Safety Data Sheet, Technical Data Sheet, Certificates of Analysis, plus statements on allergens, BPA, non-irradiation, PFAS/PFOS and TSE/BSE.
Most people buy urea for farm fertilizer, plastics and resins, diesel exhaust fluid, catalytic converters in automobile exhaust, personal care ingredients, sugar fermentation into ethanol, or as a laboratory reagent. Whatever the job, the headache is usually the same. You need material that matches the grade you ordered, paperwork you can hand to an auditor, and a size that fits your batch instead of your storage closet. That’s where we come in. Lab Alley lists sizes from 1lb up to 25kg, keeps the documents one click away, and takes care of shipping from our end. Pick your size, set up Autoship if you reorder often, or send us the details for a custom quote. We keep it on budget, on time, every time. Request a quote here and tell us what you need.
-
Fertilizer in agriculture
-
Plastics and resins production
-
Automobile exhaust catalytic converters
-
Diesel exhaust fluid ingredient
-
Laboratory and pharmaceutical use reagent
-
Personal care product ingredient
-
Sugar fermentation into ethanol
-
Component of animal feed
-
Q: What is urea crystalline powder used for?
A: It’s mainly used as a fertilizer in agriculture and in making plastics and resins. You’ll also find it in automobile exhaust catalytic converters, diesel exhaust fluid, personal care ingredients, sugar fermentation into ethanol and as a laboratory reagent. Our blog post on urea crystalline powder covers it in more detail.Q: What does USP Grade mean, and is it suitable for pharmaceutical use?
A: USP stands for United States Pharmacopeia, and USP Grade means the material meets those published specifications. This listing is described as meeting USP specifications, and the page lists it as a reagent for pharmaceutical use. Check the Certificate of Analysis against your own requirements before you order.Q: What sizes are available, and does it ship as hazmat?
A: You can choose 1lb, 500g, 1kg, 2.5kg, 12.5kg, 50lb or 25kg. The Safety and Shipping tab doesn’t state a DOT classification for this product, so contact us if you need shipping details confirmed before you order.Q: How do I get the SDS and Certificate of Analysis?
A: Scroll to Product Manuals on this page. The Safety Data Sheet is listed there, and the Certificates of Analysis are under their own tab, organized by lot number. If you can’t find what you need, contact us.Q: How should urea crystalline powder be stored?
A: The description calls it slightly hygroscopic, so keep the container closed. For full storage and handling guidance, follow the Safety Data Sheet.Q: What else is urea known as?
A: It’s also called carbamide, carbonyl diamide or carbonyldiamine. The CAS number is 57-13-6.Q: What is urea soluble in?
A: It’s very soluble in water and soluble in alcohol. It’s practically insoluble in methylene chloride.
Product Information
| CAS | 57-13-6 |
|---|---|
| Assay | 98.0 - 102.0% |
| PubChem ID | 1176 |
| Grade | USP Grade |
| Appearance | Colorless crystals or white crystalline powder |
| Odor | Ammonia-like |
| pH | 7.2 (10% solution) |
| Melting point | 132.5 - 134.5º C |
| Boiling Point | Decomposes below BP |
| Vapor pressure | 0.002 hPa (750°C) |
| Specific gravity | 1.33g/cm3 at 20°C |
| Solubility | 590 g/l (20°C) |
| Molecular formula | CH4N2O |
| Molecular weight | 60.06 |
| Alkalinity (as NaOH) | Pass |
| Ammonium (NH4) | ≤0.05% |
| Autoship Available | Yes |
| Chloride (Cl) | Max 0.0005% |
| Heavy metals | Max 0.0005% |
| Insoluble matter | </=0.04% |
| Iron (Fe) | Max 0.001% |
| Lead (Pb) | ≤0.0003% |
| Loss on drying | ≤1% |
| Loss on ignition | </=0.01% |
| Pillar | Natural |
| Sulfate (SO4) | Max 0.001% |













