Urean 46% fertilizer is mainly made by our brother company Yuxi fertilizer factory. With more than 60 years working experience of fertilizer manufacturing, we have won the reputation in Yunnan province and have also established business relation with companies from Thailand, Vietnam, Myanmar and so on.
Product Urea 46% CAS NO. 57-13-6
Molecular Formula CH4N2O
Appearance Prilled Granular
Nitrogen 46% Min
Biuret 0.5% Max
Impurity 0.010% Max
Size d(1.18-3.35)mm 90% Min
Packing style 50kg/plastic woven bag
Container loaded 20MT per 20ft container
Our Services
Samples are available.
Package can be arranged according to customers' requirement.
Properties of urea
Urea, also known as carbamide, carbamide and urea. Pure urea is white, tasteless, odorless, needle shaped or prismatic crystal, with a melting point of 132.7 â?? under normal pressure. It is hygroscopic, deliquescent, hydrolyzable, and weakly alkaline. It is made into compound fertilizer with acid fertilizer. Urea is an organic compound composed of carbon, nitrogen, oxygen and hydrogen. It is a white crystal. Urea is one of the simplest organic compounds. The most important use of urea is as fertilizer. Its nitrogen content is more than 46%. After being converted into ammonium carbonate in soil, urea is hydrolyzed and absorbed by plants. It is the nitrogen fertilizer with the highest nitrogen content at present.
Molecular formula of urea: CO (NH2) 2, molecular weight 60.06, density 1.335g/cm �³ï¼? The melting point is 132.7 â??. Soluble in water and alcohol, insoluble in ether and chloroform. It is slightly alkaline. It can react with acid to form salt. It has hydrolysis. Condensation reaction can be carried out at high temperature to produce biuret, triuret and cyanuric acid. Heat to 160 â?? and decompose to generate ammonia gas and turn into cyanic acid at the same time. Urea can be hydrolyzed into ammonia and carbon dioxide under the action of acid, alkali and enzyme (acid and alkali need to be heated). Unstable to heat, heat to 150 â??ï½? 160 â?? to deamination to biuret. Urea is easily soluble in water, 105g can be dissolved in 100ml water at 20 â??, and the aqueous solution shows neutral reaction. There are two kinds of urea products: crystalline urea is white acicular or prismatic crystal with strong hygroscopicity; Granular urea is a translucent particle with a particle size of 1~2mm, which has a smooth appearance and improved moisture absorption.
Urea is a physiologically neutral fertilizer, which does not leave any harmful substances in the soil and has no adverse effects after long-term application. However, a small amount of biuret, also known as biuret, will be produced when the temperature is too high during granulation, which has an inhibitory effect on crops. Urea is molecular before conversion and cannot be adsorbed by soil, so it should be prevented from being lost with water; The ammonia formed after conversion is also volatile, so urea should also be deeply covered with soil. Urea is the first synthetic organic substance and widely exists in nature, such as 0.4% urea in fresh human feces.
The new version of national standard GB/T2440-2017 for urea has been officially implemented since July 1, 2018. Compared with the replaced 2001 standard, certain adjustments have been made.
New standard GB/T2440-2017
HS Code 31021000
PRICE = US$ 400 CIF
ORIGIN: South Africa
PACKAGE: 50KG
MIN ORDER: 200 TONS
Specification UREA46% Granular GOST 2081-92
Product UREA N46 agriculture grade
Nitrogen 46% minimum
Moisture 0.5 max
Free ammonia 160 PXT PPM maximum
BIURET 1.0% maximum
Harmful substances 100 % free from harmful substances
Melting point 132 degree Celsius
Granulation 1mm to 4mm 90% minimum
Color White standard or white pure
Odor Odorless
Boiling Decomposes before boiling
Radiation Non-radioactive
Physical state Solid@20 C, 101 KPA white granules
Specific gravity Solid@20 C-1.35 t/ms
Floatability in water Sinks and mixes
Molecular weight 60.065
Fertilizer granular 94-96%min
Prill 96% max
Fisher 0.30%
Automotive grade urea is a high-purity urea used primarily in diesel exhaust fluid (DEF) systems to reduce nitrogen oxide (NOx) emissions from diesel engines.
It is also known as AdBlue in Europe. This urea is dissolved in water to create a solution that is injected into the exhaust system, where it helps convert harmful NOx gases into harmless nitrogen and water vapor through a process called Selective Catalytic Reduction (SCR)
Total Nitrogen: 46%+
Granulometry: ~ 2 - 3.35 mm
Specifications: Free flowing, and free of any foreign matters.
Origin: Egypt
Packing: 25-50 kg pp bags, or in pp jumbo bags of 625 kg
Inspection: SGS
For Price Quotation, please fee free to reach out to us, price reflected on page is for show only.
COMPOSITION SPECIFICATION
Nitrogen 46.0% by Weight Min.
Moisture 0.5% Max.
Biuret 1% Max. by Weight
Fisper 0.35 Max.
Anti Caking Agent 0.5% Max.
Free Ammonia 160 PXT PPM Max.
Granulation 2 4 mm: 90% Min.
Dimension Less than 1 mm: Absence
Melting Point 132 C
Color Pure White
Physical Specification
Non clotted 100% free from harmful substances.
Internationally accepted standard for urea N46%. �· Free floating, treated with anti caking treatment.
Free from Impurities, Sand, Dust and Certified Non Radioactive.
Physical state solid >20 and 101KPS, white granules.
Vapor density not applicable.
Floatability / Water sinks and mixes.
Molecular weight 60.065. PH Value 8.0 8.5.
USAGE
More than 90% of world industrial production of Urea is destined for use as nitrogen release fertilizer. Urea has the highest nitrogen content of all solid nitrogen content of all solid nitrogenous fertilizers in common use. Therefore, it has the lowest transportation costs per units of nitrogen nutrient. The standard crop nutrient rating of urea is 46 0-0.
The most common impurity of synthetic urea is Biuret, which impairs plant growth.
Urea is usually spread at rates of between 40 and 300 Kg./HA but rates vary. Smaller applications incur lower losses due to leaching. During summer season, Urea is often spread just before or during rain to minimize losses from volatilization (A process wherein nitrogen is lost to the atmosphere as Ammonia Gas). Because of the high Nitrogen concentration in Urea, it is very important to achieve an even spread. The application equipment must be correctly calibrated and properly used.
