57-13-6
- Product Name:Urea
- Molecular Formula:CH4N2O
- Purity:99%
- Molecular Weight:60.0556
Product Details;
CasNo: 57-13-6
Molecular Formula: CH4N2O
Appearance: white solid
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1.What is the Urea ?
Urea is a stable highly water-soluble compound of high nitrogen content (47%), with good storage properties that make it the most commonly used nitrogen fertilizer. The synthesis process has remained essentially unchanged since it was first developed by the BASF Corporation in 1922. In this process, liquid ammonia is reacted with carbon dioxide to produce ammonium carbamate, which is then dehydrated to form urea. The reactions are: 2NH3 + CO2 ===? NH2·CO2·NH4 NH2·CO2·NH4 ===? (NH2)2CO + H2O
Urea-containing preparations have a softening and moisturizing effect on the stratum corneum and, at times, may provide good therapy for dry skin and the pruritus associated with it. They appear to have an antipruritic effect apart from their hydrating qualities. Urea compounds disrupt the normal hydrogen bonds of epidermal proteins; therefore, their effect in dry hyperkeratotic diseases such as ichthyosis vulgaris and psoriasis is not only to make the skin more pliable but also to help remove adherent scales. Lactic acid also has a softening and moisturizing effect on the stratum corneum.Urea 40% ointment may be useful in removing hypertrophic or dystrophic psoriatic nails. Subsequent topical therapy to the denuded nail bed and proximal nail fold may result in regrowth of ‘‘normal’’ nails in half of those treated.
1) UREA, FCC is an odorless and colorless solid that is an important nitrogen-containing substance found in mammal urine.2) Urea has little or no nutritional value to monogastric mammals but Urea is used in sugar-free chewing gum to adjust the texture
2.What is the CAS number for Urea ?
The CAS number of Urea is 57-13-6.
More information of Urea 57-13-6 are:
|
CAS Number |
57-13-6 |
|
Density |
1.32 g/cm3 |
|
Melting Point |
131-135 °C |
|
Boiling Point |
196.611 °C at 760 mmHg |
|
Flash Point |
72.708 °C |
|
Vapor Pressure |
<0.1 hPa (20 °C) |
|
Refractive Index |
n20/D 1.40 |
|
HS CODE |
31021010 |
|
PSA |
69.11000 |
|
LogP |
0.42440 |
|
Pka |
0.10(at 25℃) |
3.What is the molecular formula of Urea ?
The chemical formula of Urea is CH4N2O which containing 1 Carbon atoms,4 Hydrogen atoms,2 Nitrogen atoms and 1 Oxygen atoms,and the molecular weight, and the molecular weight of Urea is 60.0556
4.What is Urea(57-13-6)used for?
Urea is a stable highly water-soluble compound of high nitrogen content (47%), with good storage properties that make it the most commonly used nitrogen fertilizer. The synthesis process has remained essentially unchanged since it was first developed by the BASF Corporation in 1922. In this process, liquid ammonia is reacted with carbon dioxide to produce ammonium carbamate, which is then dehydrated to form urea. The reactions are: 2NH3 + CO2 ===? NH2·CO2·NH4 NH2·CO2·NH4 ===? (NH2)2CO + H2O
InChI:InChI=1/CH4N2O/c2-1(3)4/h(H4,2,3,4)
Relevant articles related to Urea:
|
Article |
Source |
|
Real-Time in Vivo Detection of H2O2 Using Hyperpolarized 13C-Thiourea |
Wibowo, Arif,Park, Jae Mo,Liu, Shie-Chau,Khosla, Chaitan,Spielman, Daniel M. , p. 1737 - 1742 (2017) |
|
- |
Surrey,Nachod , p. 2336 (1951) |
5.China cas 57-13-6 factory wholesale Urea at affordable price
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