维A酸
TRETINOIN
Chemical Name | Tretinoin |
CAS Number | 302-79-4 |
Molecular Formula | C20H28O2 |
Molecular Weight | 300.44 |
Molecular Structure | |
Packing | 25kg/drum |
Capacity | Production upon order |
Storage | Store in a tightly sealed container away from heat and direct light, and in a cool dry place. |
Application | Tretinoin is most commonly used as a form of acne treatment. |
SPECIFICATION
Items | Specification |
Description | Yellow crystalline powder |
Identification | The IR absorption spectrum should correspond with reference spectrum |
Should exhibits maximum absorption at 352nm | |
Loss on drying | Not more than 0.5% |
Sulphated ash | Not more than 0.1% |
Heavy Metals | Not more than 0.002% |
Related substances: | 0.5% MAX |
Organic Volatile Impurity | Ethyl acetate Not more than 5000 ppm |
Ethanol Not more than 5000 ppm | |
Assay | 98.0~102.0 % (calculated on the dried basis) |
Standard | EP 8.0 |