Urea CAS 57-13-6

CBNumber: CB5853861

Molecular Formula: CH4N2O

Formula Weight: 60.06

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Product Name: Urea              CAS Number: 57-13-6               Purity: 99%

Basic Info

Product Name:Urea
Other Names:Benural 70;B-I-K
Place of Origin:Shandong, China
Brand Name:Zhishang Chemical
Type:Food Additive
Appearance:White powder
EINECS No.:200-315-5
Provide:Urea MSDS;
Urea COA

aquacare;Aquacare HP;aquacarehp;Aquadrate;Aqua-drate;Basodexan;Benural 70;B-I-K

Product Categories:

Pesticide intermediates; Fungicide intermediates; Fat fungicides; Yeast nutrients; Food additives; Wheat flour and starch modifier; Raw materials; Plant extracts; Protein electrophoresis; Biochemical reagents; Nitrogen compounds; intermediate; Small molecule inhibitors; Small molecule inhibitors, natural products; Various chemical reagents; Cellular biology; Solvent; Professional reagent; Organic chemistry; microorganism; Genomics and molecular diagnosis; biochemistry; Molecular biology reagents; Clinical standard; Urea; Reagents and supplements; Pesticide raw materials; AlphabeticalListings; StableIsotopes; U-Z; ChaotropicAgents; BioactiveSmallMolecules; Cell biology; fertilizer; ACTIGALL; proteinmod; Standard; Other biochemical reagents; Pharmaceutical raw materials; Industrial raw materials; chemical compound; Pharmaceutical excipients; Protein services; Chemical products – Organic Chemical; Biochemical reagents – other chemical reagents; Cell biology – cellular oxidative chemicalbook stress; Cosmetic raw materials – functional raw materials; Organic chemical raw materials; Analytical reagent; Daily chemical raw materials; Reference substance – traditional Chinese medicine reference substance; Standard – standard of traditional Chinese medicine; Standard – standard titration solution; Inorganic acids; Biochemical industry; Chemical materials; Chemical raw materials; Electronic chemicals; Cosmetic raw materials; Traditional Chinese medicine reference substance; Shaanxi linnai’s main products; All products; Daily chemicals; Enzymes; BiochemicalsandReagents; BuildingBlocks; CarbonylCompounds; CellBiology; ChemicalSynthesis; Denaturation; OrganicBuildingBlocks; U; Ureas; ProteinElectrophoresis; Proteomics; SDS-PAGE; Urea; Inhibitors; IndustrialGrade; FoodAdditive

Chemical Properties:
  1. The urea molecule is planar in the crystal structure, but the geometry around the nitrogens is pyramidal in the gas-phase minimum-energy structure. In solid urea, the oxygen center is engaged in two N-H-O hydrogen bonds. The resulting dense and energetically favourable hydrogen-bond network is probably established at the cost of efficient molecular packing: The structure is quite open, the ribbons forming tunnels with square cross-section. The carbon in urea is described as sp2 hybridized, the C-N bonds have significant double bond character, and the carbonyl oxygen is basic compared to, say, formaldehyde. Urea’s high aqueous solubility reflects its ability to engage in extensive hydrogen bonding with water.
  2. Urea dissolved in water is in equilibrium with the isomeric ammonium cyanate. The resulting activity of the isocyanic acid ions do result in carbamylation (formation of long-chain carbamides, liberating ammonia molecule as byproduct) of proteins if proteins are present in the solution too. The carbamylation reaction may occurs at elevated temperatures even without catalysts. At room temperature, water solutions of urea are prone to same decomposition reaction in the presence of urease. The isomerization of urea in solution at room temperature without catalysts is a slow process (taking days to reach equilibrium), and freshly prepared, unheated solutions had negligible carbamylation rates.Urea can react with alcohols to form urethanes and react with malonic esters to make barbituric acids.
  1. More than 90% of world industrial production of urea is destined for use as a nitrogen-release fertilizer. Urea has the highest nitrogen content of all solid nitrogenous fertilizers in common use. Therefore, it has the lowest transportation costs per unit of nitrogen nutrient.
  2. In the soil, it hydrolyses back to ammonia and carbon dioxide. The ammonia is oxidized by bacteria in the soil to nitrate, which can be absorbed by the plants. Urea is also used in many multi-component solid fertilizer formulations. Urea is highly soluble in water, therefore, very suitable for use in fertilizer solutions (in combination with ammonium nitrate: UAN), e.g., in ‘foliar feed’ fertilizers. For fertilizer use, granules are preferred because of their narrower particle size distribution, an advantage for mechanical application. The most common impurity of synthetic urea, biuret, must be present at less than 2 percent of the time, as it impairs plant growth.
About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Additive , Chemical Auxiliary & Catalyst , Organic Chemicals
  • Products/Service: Organic Intermediate,Inorganic Chemistry, APIs, Dyestuffs And Pigments, Fragrance And Spices, Food Additives
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.


After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.



You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

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