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Acid Yellow 23 (Tartrazine)
CAS NO.: 1934-21-0
FOB Price: NEGOTIABLE Get Latest Price
Specification: 99%
Documentation: Get COA after inquiry
Lead Time: 14-30 days
Max Capacity: -
Packing: 25KG/Fibre Drum
Product Detail
Properties

Acid Yellow 23 (Tartrazine)

C.I.NO.:C.I.19140

CAS No.:1934-21-0

Molecular Formula:C16H9N4O9S2Na3

Chemical Name:1-(4’-sulfophenyl)-4-[(4’-sulfophenyl)azo]-1H-pyrazole-3-carboxylate,trisodium salt

Structure Formula:


Application Properties:(Changes after 48 hours at room temperature)

          ①、Stability in various pH solutions

                        pH=3                  no noticeable change

                        pH=5                  no noticeable change

                        pH=7                  no noticeable change

                        pH=8                  no noticeable change

         ②、Stability in aqueous acids

                       10% Acetic acid                 no noticeable change

                       10% Citric acid                  no noticeable change

                       10% Tartaric acid              no noticeable change

                       10% Malic acid                  no noticeable change

        ③、Stability in aqueous alkalis

                     10% Ammonium hydroxide        no noticeable change

                     10% Sodium carbonate              no noticeable change

                     10% Sodium bicarbonate           no noticeable change

                     10% Sodium hydroxide                fade


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19YRS
Business Type:
Manufacturing
Country/Region:
Tianjin, China
Contacts:
Manager Yue
Position Title:
Sales Manager
Tel:
0086-22-22400619
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