Certificate Of Analysis
Part Number: TTZ-605547
Product Name: Tartrazine
General Information:

LOTNUMBER: AL201108-10
FORMULA: C16H9N4Na3O9S2
FORMULA WEIGHT: 534.36
CAS NUMBER: 1934-21-0
MDL NUMBER: MFCD00148908
QUALITY RELEASE DATE: 8-Nov-2020
EXPIRATION DATE: 7-Nov-2025
LONG TERM STORAGE: Room Temperature
Test |
Specification |
Result |
Appearance(Color) |
Orange |
Orange |
Appearance(Form) |
Powder |
Powder |
Proton NMR Spectrum |
Conforms to Structure |
Conforms |
Purity(HPLC) |
≥96.0% |
96.75% |
Uncertainty |
---- |
+/- 1.0 % |
Loss on drying |
≤8.0% |
4.25% |
Recommended Retest Period |
---- |
5 Years |
Note: Stanford Chemicals guarantees the purity of this chemical standard +/- 1.0 % eviation prior to the expiration date shown on the label. This guarantee is exclusive of any contamination caused by the customer.
注:以上信息仅供参考,以产品附带证书为准。