ChemicalBook CAS DataBase List Urea

Urea

$5 - $9960

Price

Brand	Packaging	Price	Product name
AK Scientific Z3638	1kg	$201	Urea
Ambeed A643755	5g	$5	Urea
Ambeed A643755	100g	$6	Urea
Ambeed A643755	500g	$8	Urea
Ambeed A643755	1kg	$13	Urea
ApexBio Technology B7781	1kg	$116	Urea
Apolloscientific BIU4110	5kg	$300	Urea Molecular biology grade
Apolloscientific BIU4110	1kg	$75	Urea Molecular biology grade
Arctom HY-Y0271R	50mg	$95	Urea (Standard)
Arctom HY-Y0271	10mM*1mLinDMSO(Solid+Solvent)	$53	Urea

1of19

Melting point	132-135 °C(lit.)
Boiling point	332.48°C (estimate)
Density	1.335 g/mL at 25 °C(lit.)
bulk density	720-760kg/m3
vapor pressure	<0.1 hPa (20 °C)
refractive index	n20/D 1.40
storage temp.	2-8°C
solubility	H₂O: 8 M at 20 °C
form	powder
pka	0.10(at 25℃)
color	white
Specific Gravity	1.335
Odor	almost odorless
PH	8.0-10.0 (20℃, 8M in H2O)
biological source	synthetic
Water Solubility	1080 g/L (20 ºC)
λmax	λ: 260 nm Amax: 0.03 λ: 280 nm Amax: 0.02
Merck	14,9867
BRN	635724
Henry's Law Constant	5.7×10⁶ mol/(m³Pa) at 25℃, Duchowicz et al. (2020)
Exposure limits	PC-TWA: 5 mg/m3; PC-STEL: 10 mg/m3
Dielectric constant	3.5（Ambient）
Stability	Substances to be avoided include strong oxidizing agents. Protect from moisture.
Cosmetics Ingredients Functions	BUFFERING HUMECTANT SKIN CONDITIONING ANTISTATIC
InChI	1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)
InChIKey	XSQUKJJJFZCRTK-UHFFFAOYSA-N
SMILES	NC(N)=O
LogP	-1.660 (est)
CAS DataBase Reference	57-13-6(CAS DataBase Reference)
NIST Chemistry Reference	Urea(57-13-6)
EPA Substance Registry System	Urea (57-13-6)
Absorption	≤0.06 at 260nm at 5M ≤0.06 at 280nm at 5M