DMDM Hydantoin
■ Chemical Description
--Hydantoin, Glycolyl urea
■ CAS No. 461-72-3
■ Molecular and Structural Formula C3H2N2O2
■ Characteristics
--White crystal powder;
■ Specification
No |
Tests |
Specification |
1 |
Appearance(Slightly coloured powder) Hunter index |
>80 |
2 |
Colour in solution °H |
≤100 |
3 |
Assay % |
≥98.5 |
4 |
Loss on drying % |
≤0.5 |
5 |
Melting point oC |
≥215 |
6 |
Chloride PPM |
≤50 |
7 |
Heavy Metals PPM |
≤5 |
8 |
Iron PPM |
≤10 |
9 |
Tot. Extr. Organic Sulphur PPM |
≤0.1 |
■ Application
--Used as an intermediate for sweetener aspartame in pharmacy, amino acid, photosensitive material and material of organic synthesis
■ Packaging and Storage
--Packed in 25, 50 kg fiber or plastic drum, inner lined with PE bags;
--Stored in dry place at room temperature;
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