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Urea

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Identification
Molecular formula
CH4N2O
CAS number
57-13-6
IUPAC name
urea
State
State

At room temperature, urea is a solid.

Melting point (Celsius)
133.00
Melting point (Kelvin)
406.00
Boiling point (Celsius)
275.00
Boiling point (Kelvin)
548.00
General information
Molecular weight
60.06g/mol
Molar mass
60.0560g/mol
Density
1.3200g/cm3
Appearence

Urea is typically a colorless, odorless solid. It often forms small prismatic or needle-like crystals. In its pure form, urea is white.

Comment on solubility

Solubility of Urea (CH4N2O)

Urea, with the chemical formula CH4N2O, is well-known for its significant solubility in water. Here are some key points regarding its solubility:

  • Highly Soluble: Urea is highly soluble in water, making it one of the most common organic compounds used in aqueous solutions.
  • Solubility in Other Solvents: Besides water, urea is also soluble in several organic solvents, including ethanol and methanol, although its solubility may vary significantly depending on the solvent and temperature.
  • Temperature Effect: The solubility of urea in water increases with temperature, which is typical for many solids.
  • Applications: Due to its excellent solubility, urea is widely used in fertilizers, pharmaceuticals, and various industrial processes.

As a result, urea's solubility characteristics make it a versatile compound with a broad range of applications—especially in chemistry and agriculture.

In summary, urea is an interesting compound due to its remarkable solubility in water and other solvents, contributing to its widespread use in different fields.

Interesting facts

Interesting Facts about Urea

Urea, known scientifically as carbonyl diamide, is a fascinating compound that plays a crucial role in both industrial and biological contexts. Here are several noteworthy facts about urea:

  • Biological Significance: Urea is a key component in the urea cycle, a metabolic pathway that converts ammonia, which is toxic at high concentrations, into urea for safe excretion in urine. This process is essential for nitrogen metabolism in humans and many animals.
  • Historical Context: The synthesis of urea from inorganic compounds was a monumental event in chemistry. In 1828, Friedrich Wöhler famously synthesized urea from ammonium cyanate—marking the first time an organic compound was created from inorganic precursors, challenging the notion of vitalism and paving the way for modern organic chemistry.
  • Industrial Uses: Urea is extensively used in fertilizers, accounting for around 40% of global fertilizer consumption. Its high nitrogen content makes it an efficient option for enhancing soil fertility and promoting plant growth.
  • Pharmaceutical Applications: Beyond agriculture, urea has applications in the pharmaceutical industry. It is used in topical formulations for its moisturizing properties and as a keratolytic agent to treat certain skin conditions.
  • Environmental Importance: Urea is also important in environmental sciences, particularly in the context of nitrogen cycling in ecosystems. It contributes to soil nitrogen levels, which is vital for the health of plants and microorganisms.

In essence, urea is not just a simple compound; it plays multifaceted roles that are vital to life, agriculture, and various industries. Its unique properties and historical significance make it a compound worthy of study and appreciation in the realm of chemistry.

Synonyms
urea
57-13-6
carbamide
Isourea
Carbonyldiamide
Ureophil
Carbonyldiamine
Ureaphil
Carbamimidic acid
Urevert
Alphadrate
Aquadrate
Carbaderm
Keratinamin
Pseudourea
Carbonyl diamide
Calmurid
Pastaron
Urepearl
Carbamide resin
Ultra Mide
Varioform ii
Aqua Care
Harnstoff
Mocovina
Nutraplus
Prespersion, 75 urea
B-I-K
Supercel 3000
Aqua Care HP
basodexan
carmol
Ureacin-10 lotion
Ureacin-20
Ureacin-40 Creme
Caswell No. 902
Onychomal
Hyanit
NCI-C02119
Antisepsis bolus
Elaqua xx
Sterile Urea
Carbonyl Diamine
Keratinamin Kowa
CCRIS 989
HSDB 163
Benural 70
aminoketone
NSC 34375
uree
Isoharnstoff
Aquacare
Karbamid
Urepeal
EPA Pesticide Chemical Code 085702
Ureum
Carbamimic acid
Urea perhydrate
Bubber shet
Urepeal L
AI3-01202
37955-36-5
EINECS 200-315-5
UR
NSC-34375
Pastaron 10
Pastaron 20
Pastaron 20 soft
INS NO.927A
E927b
INS-927A
DTXSID4021426
UNII-8W8T17847W
CHEBI:16199
Urea-18O
Urea [USP:JAN]
Carbamide;Carbonyldiamide
E-927A
MFCD00008022
8W8T17847W
Azodicarboxylic acid-diamide
H2NC(O)NH2
H2N-C(OH)=NH
U-CORT COMPONENT UREA
H2N-C(=NH)-OH
HO-C(=NH)-NH2
(NH2)2CO
ALPHADERM COMPONENT UREA
DTXCID901426
4744-36-9
CARMOL HC COMPONENT UREA
Urea, prilled
CHEBI:48376
CALMURID HC COMPONENT UREA
EC 200-315-5
NSC34375
NCGC00090892-01
Urea (USP:JAN)
UREA (USP-RS)
UREA [USP-RS]
UREA (II)
UREA (MART.)
UREA [II]
UREA [MART.]
Mocovina [Czech]
UREA (EP MONOGRAPH)
UREA (USP IMPURITY)
UREA [EP MONOGRAPH]
UREA [USP IMPURITY]
UREA (USP MONOGRAPH)
UREA [USP MONOGRAPH]
3138-51-0
URE
Harnstoff [German]
Urea [JAN]
CAS-57-13-6
ALLANTOIN IMPURITY B (EP IMPURITY)
ALLANTOIN IMPURITY B [EP IMPURITY]
FLUOROURACIL IMPURITY G (EP IMPURITY)
FLUOROURACIL IMPURITY G [EP IMPURITY]
UREA, ACS
isoureas
Lanaphilic
Cerovel
Protexa
Uroderm
Vanamide
Uremol
UterCleanse
amino ketone
amino-ketone
Xurea
Pastaron soft
Urea, ultrapure
Cem-urea
Aquacare HP
Urea Foam
Carbamide solution
Umecta MousseUrea
Urea (Standard)
beta-I-k
Pastaron (TN)
Urea 40 Percent
carbonamidimidic acid
Carmol 40
Uremol 20% cream
NIMIN
RYNODERM
Cerovel (Salt/Mix)
Panafil (Salt/Mix)
Urea 39% Cream
Urea 47% Cream
Urea Cream 40%
Urea Cream 41%
Clear 40
Urea 40 Nail Gel
Bare 40 Plus HA
Clear 50 Nail Gel
Rubinol ST 010
Urea 40 Plus HA
Urea, p.a.
AFTER-BIRTH
Clear 40 Plus HA
Optigen 1200
Urea Hydrating Topical
CLEAN-UP
Urea, 2M
Urea,(S)
Bare 20
Bare 40
Spectrum_000672
Urea 20
Urea 40
Bare 40 HA
Bare 40 SA
URE-K
INTRAUTERINE BOLUS
UREA [VANDF]
Urea 41%
WLN: ZVZ
Carbamimidic acid (VAN)
Spectrum2_001192
Spectrum3_001791
Spectrum4_001168
Spectrum5_001862
Urea (JP18/USP)
Urea, analytical standard
Urea, for electrophoresis
UREA [HPUS]
UREA [HSDB]
Urea (8CI,9CI)
UREA [FCC]
UREA [WHO-DD]
Eucerin 10% Urea Lotion
CHEMBL985
UREA [MI]
Carbamide; Carbonyl diamine
UREA [ORANGE BOOK]
H2N-CO-NH2
Urea 39.5%
Urea A.C.S. reagent grade
Pesticide Code: 085702
BSPBio_003341
KBioGR_001775
KBioSS_001152
Urea, puriss., 99.5%
MLS001076688
DivK1c_000086
SPECTRUM1500604
Urea, AR, >=99%
Urea, LR, >=99%
SPBio_001263
GTPL4539
URE-39
UREA 40%
UREA COMPONENT OF U-CORT
Urea, >=99.0%
Urea, Molecular Biology Reagent
BDBM24961
CHEBI:48379
HMS500E08
HY-Y0271R
KBio1_000086
KBio2_001152
KBio2_003720
KBio2_006288
KBio3_002843
Urea 100 microg/mL in Methanol
NINDS_000086
HMS1921I17
HMS2092C08
HMS2232P21
Pharmakon1600-01500604
UREA COMPONENT OF ALPHADERM
component of Artra Ashy Skin Cream
UREA COMPONENT OF CARMOL HC
BCP30439
CS-B1800
HY-Y0271
STR00449
Urea, tested according to Ph.Eur.
Tox21_111036
Tox21_202158
Tox21_300035
c0165
CCG-40265
MSK005142
NSC757375
s3687
STL194286
UREA COMPONENT OF CALMURID HC
Urea, ReagentPlus(R), >=99.5%
AKOS009031424
Urea, NIST(R) SRM(R) 2141
Urea, SAJ first grade, >=98.0%
DB03904
FU35121
NSC-757375
Urea, JIS special grade, >=99.0%
Urea, meets USP testing specifications
Urea, Vetec(TM) reagent grade, 99%
IDI1_000086
Basodexan pound>>Carmol pound>>Carbamide
NCGC00090892-02
NCGC00090892-03
NCGC00090892-04
NCGC00090892-05
NCGC00090892-06
NCGC00254181-01
NCGC00259707-01
SMR000499585
Urea, ACS reagent, 99.0-100.5%
SBI-0051552.P002
1ST005142
Urea, BioReagent, suitable for cell culture
NS00001564
U0073
U0077
Urea, ReagentPlus(R), >=99.5%, pellets
EN300-19456
C00086
component of Artra Ashy Skin Cream (Salt/Mix)
D00023
D70446
M02656
Q48318
Urea, p.a., ACS reagent, 99.0-100.5%
AB00052123_05
SR-01000762961
InChI=1/CH4N2O/c2-1(3)4/h(H4,2,3,4
SR-01000762961-2
Urea, British Pharmacopoeia (BP) Reference Standard
BRD-K88052444-001-08-8
Urea, European Pharmacopoeia (EP) Reference Standard
F0001-1490
Urea, BioUltra, for molecular biology, >=99.5% (T)
Urea, BioXtra, pH 7.5-9.5 (20 C, 5 M in H2O)
Urea, NIST SRM 2152, combustion calorimetric standard
Urea, United States Pharmacopeia (USP) Reference Standard
6E4EB293-4363-4D38-BF3B-1397372C31E5
Urea, 8 M (after reconstitution with 16 mL high purity water)
Urea, puriss. p.a., ACS reagent, reag. Ph. Eur., >=99.5%
Urea, Pharmaceutical Secondary Standard; Certified Reference Material
Urea, powder, BioReagent, for molecular biology, suitable for cell culture
200-315-5