- Min.Order :1 Kilogram
- Purity: 99%
- Payment Terms : L/C,T/T
Keywords
Allantoin (2,5-dioxoimidazolidin-4-yl)urea CAS:97-59-6
Quick Details
- Appearance:White powder
- Application:pharmaceutical,cosmetics
- PackAge:25kg/drum
- ProductionCapacity:2000|Metric Ton|Year
- Storage:Store in cool and dry place, away from sun light.
- Transportation:By sea or by air
Superiority:
Name:Allantoin
IUPAC: (2,5-dioxoimidazolidin-4-yl)urea
Cas:97-59-6
Einecs:202-592-8
MF:C4H6N4O3
Physical chemical property:
White powder
Melting point:229oC
Relative density:1.71 g/cm3(20oC)
log Kow = -2.26 at 20°C
Solubility:4.9g/L in water, 20oC
Decomposition temperature:230oC
Pka:8.96 at 20oC
Details:
|
Test Item |
Specification |
|
1.Characteristic |
White,Odorless Crystalline Powder |
|
2.Assay |
98.5-101.0% |
|
3.Identification |
A.Infrared Spectrum Is March With The Spectrum Of Allantoin Crs |
|
B.Thin-Layer Chromatographic |
|
|
C.Conform |
|
|
4.Acidity Or Alkalinity |
Conform |
|
5.Specific rotation |
-0.10º~+0.10º |
|
6.Loss On Drying |
0.2% Max |
|
7.Residue On Ignition |
0.1% Max |
|
8.Reducing Substances |
Conform |
|
9.Related Compounds |
Conform |
|
10.Heavy Metals (Pb) ppm |
10 Max |
|
11.As ppm |
2 Max |
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