Product Name |
Azelaic acid |
P roduct Sp ecification |
Tech grade |
Manu . date |
Dec.23,2023 |
Batch No . |
2023-296 |
Test Date |
Dec.24,2023 |
Expiry Date |
Dec.22,2024 |
Test Items | Standard s | Resul t s | M e thod s |
Char acteristics | Crys talline powder |
Conf orms |
V isualizaion |
Assay |
≥78 % | 79 % | |
Acid value |
58 5 - 610 mg/ g | 5 98 | Based on KOH |
Water content |
≤ 0. 2 % | 0 . 1 % | |
Melting point |
105-110ºC | 109 | |
(440nm)
Colo r |
≥ 95 |
9 6 |
% transmission 440 nm
1
part acid
3 part MeOH |
(550nm)
Colo r |
≥ 99 |
99 |
% transmission 550 nm
1
part acid
3 part MeOH |
C onclusion |
Complies with specification | ||
Stora ge |
P lease store in sealed containers at cool & dry place , protect from stronge ligh t & humid environment . | ||
Sh elflife |
2 year s if properly stored. |