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Chiral Intermediates
CAS NO:
97-59-6
Standard:
USP,BP,EP,
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Basic Info
CAS Number
97-59-6
Pharmacopoeia
USP,BP,EP
Grade
Pharmaceutical Grade
Product Keywords
Allantoin Premium
Is Manufacturer
No
Samples Provided
YES
Sample Policy
Sample free, freight to be born by the buyer
Packaging & Delivery
Packaging Specification
25kg/ drum
Minimum Order Quantity
25kg
Delivery Cycle
10 days
Product Description
Allantoin
Basic Information
Product name: Allantoin
Alias: 5-Ureidohydantoin; Glyoxyldiureide; Glyoxylic diureide; Cordianine; Glyoxyldiureid; (2,5-Dioxo-4-imidazolidinyl)urea
Molecular formula: C4H6N4O3
Molecular weight: 158.12
CAS RN: 97-59-6
EINECS No.: 202-592-8
Density: 1.33g/cm3
Detailed Description
Quality Standards: USP 36
|
Item I |
Industrial Grade |
Daily chemical grade |
Pharmaceutical grade |
|
Properties |
White crystalline powder, no odor and taste |
||
|
Identification: IR |
/ |
Qualified |
Qualified |
|
Content (potentiometric titration), % |
≥98.5 |
98.0~102.0 |
98.0~101.0 |
|
Melting point, ℃ |
≥223 |
≥225 |
≥225 |
|
Drying loss, % |
≤0.2 |
≤0.15 |
≤0.1 |
|
Residue on ignition, % |
≤0.1 |
≤0.1 |
≤0.1 |
|
pH vlue (0.5% aqueous solution, 25℃) |
4.0~6.0 |
4.0~6.0 |
/ |
|
Optical rotation (0.5% aqueous solution) |
/ |
-0.10°－＋0.10° |
-0.10°－＋0.10° |
|
Acidity and alkalinity |
/ |
/ |
Qualified |
|
Reducing sustances |
/ |
Qualified |
Qualified |
|
Related substances (TLC) |
/ |
/ |
Qualified |
|
Arsenic (As), % |
≤0.0002 |
≤0.0002 |
≤0.0002 |
|
Lead (Pb), % |
≤0.001 |
≤0.001 |
≤0.001 |
|
Solubility |
|
||
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