Product Details

Urea

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Urea is a compound that plays an important role in our daily lives, yet many of us may not be familiar with it beyond its association with body waste. But there is much more to urea than meets the eye.

At its core, urea is an organic chemical compound made up of carbon, nitrogen, oxygen, and hydrogen atoms. It is initially produced as a byproduct of protein metabolism in the liver and is then excreted through urine. However, urea also has various industrial applications and can be synthesized artificially for commercial use.

In fact, Arman Chemi proudly stands as the largest urea store in Iran! We offer high-quality urea products that cater to various industries such as agriculture, cosmetics, pharmaceuticals, etc. Our commitment to excellence ensures that you receive nothing but the best when it comes to urea-based solutions.

The urea production process involves combining ammonia (derived from natural gas or coal) with carbon dioxide under high pressure and temperature conditions. This reaction results in the formation of ammonium carbamate, which further breaks down into water and urea.

Now you may be wondering if it is safe to use urea? Rest assured! Urea has been extensively tested for safety in various industries. When used properly according to recommended guidelines, it poses minimal risk to human health or environmental impacts.

However, like any other substance on earth, there are some potential side effects associated with improper use or prolonged exposure to concentrated amounts of the pure crystalline form of this compound. These include skin irritation or allergic reactions for those who may be sensitive to it.

In short: Urea is an organic compound found naturally in our bodies that serves many purposes both inside and outside of us. From being an essential component in fertilizers to promote plant growth to finding its place in skin care products for its moisturizing properties, urea truly showcases versatility at its finest.

Usages

1- Uses of urea in agriculture:
Urea in agriculture

Urea in agriculture More than 90% of the world's industrial production of urea is intended for use as a nitrogen-containing fertilizer. Urea has the highest nitrogen content of all solid nitrogen fertilizers in common use.

The most common impurity in synthetic urea is biuret, which disrupts plant growth. Urea decomposes in the soil and produces ammonium. Ammonium is absorbed by the plant. In some types of soil, ammonium is oxidized by bacteria and produces nitrate; this substance is also a nutrient required by the plant.

The loss of nitrogen-containing compounds in the atmosphere and runoff is both harmful and environmentally damaging. For this reason, urea fertilizer is sometimes pretreated or modified in order to increase the efficiency of agricultural use.

One of the technologies in the use of urea fertilizer is the conversion of urea into derivatives such as formaldehyde, which decomposes into ammonia at a rate consistent with the nutritional needs of plants.

2- Use of urea in the preparation of various resins:
Urea is the raw material for the manufacture of several main groups of materials: urea-formaldehyde and urea-melamine-formaldehyde resins, which are used in plywood.

3- Industrial applications of urea in automotive systems:
Urea is used in selective non-catalytic reduction (SNCR) and selective catalytic reduction (SCR) reactions to reduce NOx pollutants in exhaust gases from combustion in diesel, dual-fuel and natural gas engines.

For example, the BlueTec system injects a water-based carbonyl diamide solution into the exhaust system. The ammonia produced by the hydrolysis of urea reacts with nitrogen oxide and is converted to nitrogen and water in a catalytic converter. Trucks and cars using these catalytic converters must carry diesel exhaust fluids, a solution of urea in water.

4. Laboratory uses of urea:

Urea is a powerful protein at concentrations of 10 mM. This property can be used to increase the solubility of some proteins. A mixture of urea and choline chloride is used as a eutectic solvent (DES), a substance similar to an ionic liquid. When urea is used in a eutectic solvent, it does not precipitate dissolved proteins.

Carbonyl diamide can in principle serve as a source of hydrogen to generate electricity in fuel cells. Urea in wastewater can be used directly (although bacteria rapidly degrade urea).

Urea at concentrations up to 8 mol/L can be used to make fixed brain tissue transparent to visible light while preserving fluorescent signals from labeled cells. This allows for much deeper imaging of neural processes.

5- Urea applications in medicine:
Creams containing urea are used as topical skin products to enhance skin hydration. Urea 40% is prescribed for psoriasis, xerosis, eczema, keratosis, keratoderma, corns and calluses.

The blood urea nitrogen (BUN) test measures the amount of nitrogen in the blood caused by urea. It is used as an indicator of kidney function. Although it is low compared to other markers such as creatinine; Because the level of this substance in the blood is affected by other factors such as diet and dehydration.

6- Other uses of urea:
Urea is an element in the exhaust fluid of diesel-fueled vehicles (DEF) that contains 32.5% urea and 67.5% deionized water. DEF is injected into the exhaust stream of diesel vehicles to break down hazardous NOx emissions into nitrogen and water.
Urea is a component of animal feed and a relatively inexpensive source of nitrogen to promote animal growth.
Urea is a non-corrosive alternative to rock salt in road deicing, although it is less effective than traditional salt or calcium chloride.
Urea is the browning agent in factory-produced foods.
Urea is a raw material in the preparation of some skin creams, moisturizers, hair conditioners, and shampoos.
Urea, along with other salts, is considered a cloud-fertilizing agent.
Carbamide is a flame retardant commonly used in dry chemical fire extinguishers, which consist of a mixture of bicarbonate, urea, and potassium.
Carbamide is an ingredient in many teeth whitening products.
Carbonyl diamide is used, along with diammonium phosphate, as a yeast nutrient to ferment sugars to ethanol.
Carbamide is used as a solubilizer and moisture-retaining additive in dye baths for dyeing or printing fabrics.

Storage conditions

To maintain the quality of urea and prevent potential hazards, it is essential to observe the following points in storage and transportation:

Storage: Urea should be stored in a dry, cool and well-ventilated place. This substance is hygroscopic and, if exposed to humid air, it will clump and lose its quality.

Segregation: Urea should be stored separately from incompatible chemicals such as ammonium nitrate, nitric acid and calcium hypochlorite, as their combination can create a fire or explosion hazard.

Personal safety: When working with urea, especially in large quantities, it is recommended to use gloves, a dust mask and safety glasses to prevent irritation to the skin, eyes and respiratory system.

What is urea?

Urea, also known as carbamide, is an organic compound. The chemical formula of urea is CO(NH2)2. This substance is initially in the form of ammonia and is formed by the decomposition of amino acids. In the image above, you can see the structure of urea.

Much of the urea production in the world is for use as a chemical fertilizer, which contains a large amount of nitrogen. Urea has the highest nitrogen content among nitrogen fertilizers. Urea is a colorless crystalline substance that, in addition to agricultural uses, also has many applications in the pharmaceutical industry and plastic production.

The composition of urea is an odorless, colorless, hard and neutral compound. That is, it is neither alkaline nor acidic. This substance has a high solubility in water and is non-toxic.

Urea plays a significant role in the lives of living organisms, including animals, humans and plants.

Providing urea to plants causes urea in the soil to be broken down into different forms that are usable by plants and absorbed through the roots. This process is very beneficial for plants and will improve plant performance in various dimensions by providing essential nutrients to the plant.

 

Role of Urea in Plants

Using the right fertilizer for plants is vital for farms and gardens. Each type of fertilizer used for plants has different effects on plants by providing specific elements; Urea fertilizer also provides various substances to plants that strengthen them. The element that urea fertilizer provides to plants is nitrogen.

White chemical fertilizer is a source of nitrogen in plants, which is a vital and essential element for their healthy growth and yield. The nitrogen element in plants has various functions, some of which we will describe to you in this section.

 

  • Increase in plant vegetative growth
  • Improve plant tillering
  • Improve plant leaf development and color
  • Formation of chlorophyll as a result of improving the energy transfer process throughout the plant
  • A strong driver for increasing plant growth rate
  • Nitrogen is the main component of plant proteins
  • Formation of cell structure
  • Preventing leaf and crop loss
  • Strengthening the overall plant system

 

Considering that white manure acts as a source of nitrogen for plants and the price of urea fertilizer is more suitable than other chemical fertilizers, it has become one of the popular products of farmers in the field of purchasing agricultural fertilizer.

 

What is urea fertilizer?

Urea fertilizer is a white, odorless compound produced from carbon dioxide and ammonia. This compound has a high melting point, and therefore storing it in warehouses will not pose a risk of explosion. Urea fertilizer has become one of the most widely used nitrogen fertilizers due to its high percentage of nitrogen.

Nitrogen plays an important role in the production of plant proteins and chlorophyll. It is actually responsible for the green color in plants and is one of the essential elements for photosynthesis. Farmers and gardeners use white chemical fertilizer to provide nitrogen (nitrogen) needed by plants, which improves the growth and yield of plants and increases their overall health.

Urea fertilizer is available in various forms, including granules, liquid and grains, all of which are easily available to plants and absorbed; that is why farmers turn to buying urea fertilizer.

 

In general, urea is suitable for most plants, including plants that require higher percentages of nitrogen, due to its nitrogen source. However, it will be harmful to plants that are too sensitive to nitrogen. Plants that require more nitrogen for healthy growth include:

  • Vegetables
  • Fruits
  • Grains
  • Oilseeds

However, white chemical fertilizer is used for a wide range of crops because all plants need the element nitrogen to grow and continue their vital activities.

 

Types of Urea Fertilizer

Like other fertilizers, urea fertilizer has different types, each of which is used to obtain different results.

One of the most famous urea fertilizers is urea phosphate fertilizer. In this section, we will introduce urea phosphate and mention a number of other types of urea fertilizers.

What is urea fertilizer?

This product is a white crystalline compound that contains 46% nitrogen by weight. It is obtained by combining carbon dioxide with ammonia in the Haber process. Urea is one of the most widely used nitrogen fertilizers due to its high nitrogen content, ease of transportation and application.

 

Urea fertilizer application for plants:

Urea fertilizer is a synthetic form of nitrogen made from ammonia and carbon dioxide. Nitrogen is a vital component of plant proteins and chlorophyll, which is responsible for the green color in leaves and plays an important role in photosynthesis. This substance is commonly used in agriculture and horticulture to improve plant growth, increase crop yield and promote overall plant health. The main function of this fertilizer is to provide plants with nitrogen resources, which is one of the essential macronutrients for plant growth and development.

 

 

 

Urea is a fertilizer that is absorbed by plants as quickly and easily as possible and can be used in various forms such as granules, grains and liquid solutions. However, it is important to use this fertilizer correctly and in appropriate amounts, because excessive use can cause nitrogen pollution and environmental damage.

Effects of urea on plants:

This product has various effects on plants, as you can see in the table below:

Effect of Urea on PlantsExplanation
Source of NutrientsUrea is a source of nitrogen that provides the plant with the nutrients it needs for growth and development. It can help promote healthy foliage growth and promote root growth.
Danger of Over-fertilizationOveruse of this substance can cause excessive vegetative growth, reduced fruit or flower production, and increased susceptibility to pests and diseases.
PH ImbalanceA pH imbalance can cause the soil to become acidic, which affects plant growth and nutrient absorption. So it is important to monitor the soil pH level and adjust fertilizer application accordingly.
Environmental EffectsUrea can have many environmental problems.
Compatibility with Other FertilizersIt can be combined with other fertilizers to provide a balanced mix for plants. However, it is important to ensure that the fertilizers are compatible at the right rate. This is done to avoid over-fertilization or nutrient imbalance.

The effects of urea on plants vary depending on the type of plant, soil type, environmental conditions, and other factors.

Is urea good for all plants?

Urea is a common source of nitrogen fertilizer that can be used for a variety of plants. However, the suitability of urea for each plant depends on several factors, including the plant’s nutrient needs, soil type, and environmental conditions. In general, urea can be a good source of nitrogen for plants such as grasses and many vegetables, which require high levels of this element to grow. However, urea should be used with caution for plants that are sensitive to high levels of nitrogen, as it can cause excessive vegetative growth with reduced fruit and flower production.

 

 

In addition to the above, the effectiveness of this product as a fertilizer can be affected by several factors, such as soil pH and moisture levels. In some cases, it is necessary to use other types of fertilizers with soil amendments to ensure optimal plant growth and health. Therefore, it is important to consider the specific needs of the plants.

 

What plants is urea fertilizer suitable for?

This product is used for a wide range of crops, including:

  • Grains
  • Oilseeds
  • Vegetables and fruits

. But is urea also good for flowering plants? In answer to this question, it can be said that urea can be a good source of nitrogen for flowering plants, as nitrogen is an essential nutrient for plant growth and development. However, the appropriate use of urea for flowering plants depends on several factors, including the specific plant species, growth stage, and soil and environmental conditions. In general, urea can help promote healthy foliage and encourage strong root growth in flowering plants. Proper use of this fertilizer is important to avoid over-fertilization.

How Much Urea Is Right for Plants?

The amount of urea used depends on many factors, including:

  • Plant Age
  • Growth Rate
  • Plant Size
  • Plant Species
  • Soil and Environmental Conditions

. The recommended application rate for this fertilizer is about 0.45 kg per 9.3 m2 of surface area. However, be aware that overuse of urea can have negative effects on plant growth and the environment.

 

How often should you apply urea to your plants?

The frequency of urea application depends on several factors, including:

  • Soil
  • Growth stage
  • Environmental conditions
  • Specific plant species

. As a general rule, urea is usually applied to plants every 4 to 6 weeks during the growing season. This is when plants are actively growing and need more nutrients to support their growth. However, it is important to monitor the plants’ response to the fertilizer. Over-fertilizing with urea can have negative effects on plant growth and the environment. Therefore, it is very important to use this product in accordance with the rules.

Effect of urea fertilizer on soil pH:

Urea can change the pH of the soil. When applied to soil, it reacts with water to produce ammonium, which can increase soil acidity. However, its effects can be minimized by using the right amounts in conjunction with other soil amendments and regularly monitoring soil pH.

 

How long does urea last in soil?

The length of time this compound stays in the soil depends on many factors, including temperature, moisture levels, and the presence of microorganisms. It is a water-soluble compound that can dissolve quickly in the soil, releasing nitrogen into the soil solution and being absorbed by the roots.

 

When to Apply Urea

The best time to apply this product is early in the morning or late in the afternoon. High temperatures can prevent nitrogen loss.

 

Duration of Absorption

The compound is generally absorbed into the soil after a short period of time; This absorption depends on many factors, including water and soil temperature.

 

When to use urea fertilizer for trees

The best time to use this product is on cool days; when the air temperature is between 0 and 15 degrees Celsius. Of course, note that dry and frozen ground can reduce the effect of this fertilizer.

 

Properties of urea fertilizer for trees

Among the properties of this substance for trees are:

  • Provision of nitrogen
  • Growth and development of the tree

and increasing its resistance.

 

Effect of urea fertilizer for cucumbers

This product is very affordable and effective for cucumbers and provides sufficient nitrogen. Nitrogen deficiency in this product causes:

  • Leaf drop
  • Fruit discoloration
  • Reduced growth rate
  • Reduced productivity
  • Yellowing of leaves and stems

. However, it should be noted that a large amount of this element can damage cucumber seedlings.

 

Effect of urea fertilizer for grapevines

Grapes, like all plants, need nitrogen in the spring to start growing. Therefore, you can use 0.1 kg of urea per tree to provide the nitrogen needed by grapes.

 

Grape fertilization can increase annual yield and improve grape quality.

What are the disadvantages of urea fertilizer?

DisadvantagesDescription
VolatilityUrea can easily eliminate ammonia gas in the atmosphere and reduce its efficiency, and also plays a role in air pollution.
Soil AcidificationUrea fertilizer can cause soil acidity; As a result, it affects plant growth and nutrient uptake, reducing soil quality over time.
Risk of overfertilizationOveruse of this product carries the risk of excessive vegetative growth, reduced fruit or flower production, and increased susceptibility to pests and diseases.
Environmental effectsThis material can cause environmental problems
Nutrient contentThis product contains only nitrogen and does not provide other plant nutrients.

Responsible use of this product, its composition It is important to mix with other fertilizers and soil amendments as needed to ensure healthy plant growth and minimize negative environmental impacts.

 

Can urea burn plants?

Yes, it can burn plants if not used properly. When used in large quantities in hot, dry conditions, it can cause this problem. The reason for this is that urea has a high salt index and can dehydrate plant tissues and roots.

 

 

 

Dehydration of plants causes burning and discoloration of leaves, stunted growth, and in severe cases, plant death. Also, watering plants after fertilizing with urea fertilizer can prevent plant burn.