Urea Chemical
Other name: Carbamide
MF: CH4N2O
EINECS: 200-315-5
Place of Origin: China
Purity: ≥46%
Xiamen Ditai Chemicals Co., Ltd. is one of the most reliable manufacturers and suppliers of urea chemical in China. Welcome to buy high quality chemical products at competitive price from our factory.
UREA
Urea chemical is a colorless crystalline substance with the chemical formula (NH2) 2CO. Here are some of the main properties of urea:
1. Solubility: Urea has good solubility in water and can form a colorless solution when dissolved in water.
2. Stability: Urea is relatively stable at room temperature, but it will decompose under high temperature, strong acid, strong alkali and other conditions. Urea will decompose into ammonia and carbon dioxide when heated.
Urea chemical identification test:
1. Crystallization test: Dissolve the urea to be tested in water and let it stand for a period of time. If white crystals appear in the solution, it can be preliminarily determined to be urea.
2. Combustion test: Place the urea to be tested in a flame for combustion. During the combustion process of urea, ammonia gas with a pungent odor is produced, leaving behind a white gray residue.
|
ITEM |
SPECIFICATION |
|
T-nitrogen |
≧46.0 |
|
moisture |
≦0.7 |
|
Biuret(mass fraction) |
≦1.0 |
|
insoluble matter |
≦0.0004 |
Urea chemical for lawns Application:
To be used in inspecting antimony and tin, determine lead, copper, gallium, phosphorus, iodide, and nitrate.
The toxicity of urea is mainly reflected in the following aspects:
1. Inhalation toxicity: Long term inhalation of high concentrations of urea dust or vapor may cause respiratory irritation and damage, leading to discomfort symptoms such as coughing, shortness of breath, and chest tightness.
2. Ingestion toxicity: Consuming high concentrations of urea may cause irritation to the gastrointestinal tract, leading to symptoms such as abdominal pain, nausea, and vomiting. In extreme cases, excessive intake of urea may lead to poisoning, causing serious consequences such as kidney function damage and acidosis.
3. Skin contact toxicity: Prolonged exposure or excessive splashing of urea solution on the skin may cause irritation and allergic reactions, leading to discomfort such as redness, swelling, itching, and pain.








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