Skip to content
Molekula

CAS Registry Number

CAS 1934-21-0 — Tartrazine (C.I. 19140)

CAS 1934-21-0 CC16H9N4Na3O9S2 MW 534.36

Tartrazine (C.I. 19140) is a synthetic yellow azo dye used as a food coloring agent in beverages, confectionery, and pharmaceuticals. It is a sodium salt with the molecular formula C16H9N4Na3O9S2 and a molecular weight of 534.36 g/mol. Stable at ambient temperatures, it is classified as dangerous due to potential allergenic effects. Molekula supplies Tartrazine (C.I. 19140) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

View product details

Molekula products for CAS 1934-21-0

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.

Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. We usually reply within one working day.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
Buy now
Leave your details and we'll be in touch shortly.
Full name
Company
Email
Phone (optional)
How many packs?
Message