Tartrazine (CAS 1934-21-0) — formula C16H9N4Na3O9S2, molecular weight 534.4; category dyes and pigments.
Tartrazine (CAS 1934-21-0) is a chemical raw material in the dyes and pigments category. Its molecular formula C16H9N4Na3O9S2 comprises 16 C, 9 H, 4 N, 3 Na, 9 O, 2 S atoms. Its molecular weight is about 534.4. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 1934-21-0 |
|---|---|
| Molecular Formula | C16H9N4Na3O9S2 |
| Molecular Weight | 534.4 |
| Category | Colorants|Food Additives|Coloring Agents |
Tartrazine is a colorant or pigment compound with CAS registry number 1934-21-0 and molecular formula C16H9N4Na3O9S2 (molecular weight 534.4), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 1934-21-0
Its molecular formula C16H9N4Na3O9S2 comprises 16 C, 9 H, 4 N, 3 Na, 9 O, 2 S atoms.
Also known as: Tartrazine · 蛋黄 · EGG YELLOW
Category: dyes and pigments / food additives / dyes and pigments
The CAS registry number of Tartrazine is 1934-21-0.
Molecular formula C16H9N4Na3O9S2, molecular weight 534.4.
It is also registered under: Tartrazine, 蛋黄, EGG YELLOW.
Category: Colorants / Food Additives / Coloring Agents.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Tartrazine (CAS 1934-21-0), compiled from public chemistry databases.
| CAS Registry Number | 1934-21-0 |
|---|---|
| PubChem CID | 16013 |
| Molecular formula | C16H9N4Na3O9S2 |
| IUPAC name | trisodium;3-oxo-2-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-1H-pyrazole-5-carboxylate |
| UNII (FDA) | I753WB2F1M |
| Molecular Weight | 534.4 |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 12 |
| Rotatable Bond Count | 3 |
| Exact Mass | 533.95040307 |
| Monoisotopic Mass | 533.95040307 |
| Topological Polar Surface Area | 228 |
| Heavy Atom Count | 34 |
DTXSID1021455; DTXCID701437203; RefChem:598834; C.I. Acid Yellow 23; Filter Yellow; CAS-1934-21-0; NCGC00187584-01; DYE LEMON YELLOW; TARTRAZINE [MI]; TARTRAZINE [FCC]; TARTRAZINE [HSDB]; CI FOOD YELLOW 4; TARTRAZINE [VANDF]; FDC YELLOW NO. 5; TARTRAZINE [MART.]; D&C YELLOW NO. 5
EGG YELLOW · CAS 1934-21-0 · C16H9N4Na3O9S2. UNII I753WB2F1M.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 蛋黄