Lower price of ALLANTOIN CAS NO.97-59-6

specifications

test item specification

1. appearance white powder

2. assay (%) 99 - 101

3.melting point >225 ºc

4.loss on drying (%) 0.10 max

5. burnt residue 0.10 % max

6. heavy metals (pb) 10 ppm max

7. cl 0,0055 % max

8. ph value (0,5 water solution) 4.0-6

9．sulphated ashes 0.10% max

10 glycoluril 0.2 %

11. total viable count < 1000cfu/g

12. optical rotation -0.10o - +0.10o

13. reducing substances: 0.1% max

14. related substances clear

(2% in dist. water)

15. solubility at 70°c <0.5%

usage: allantoin is a specially effective additive of cosmetics and the healing pharmaceutical of the skin wound. it can promote the cover cell produing, make the wound heal rapidly. and it can also soften beratin, keep the moisture, make skin moist and soft.

packaging:standard packaging includes the following:25 kg net weight cardboard drum inside plastic bag sealedother package sizes are available upon request.

storage:store in a well-ventilated, cool, dry area, out of direct sunlight. keep containers tightly closed when not in use

recommendation for the usage：0.3%--0.5%

shelf life :3 years