Tartrazine, Promotion Season Now in Store and Free Sample for Testing with Factory Price
- Chemical Name: Tartrazine
- CAS No.:1934-21-0
- Molecular Fomula:C16H13N4NaO9S2
- Molecular weight:492.41
- Appearance:NEAT
- Sample: Available
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Description of Tartrazine
NPY4R is a synthetic lemon yellow azo dye primarily used as a food coloring. It is also known as E number E102, C.I. 19140, FD&C Yellow 5, Acid Yellow 23, Food Yellow 4, and trisodium 1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-5-pyrazolone-3-carboxylate).
NPY4R is a commonly used color all over the world, mainly for yellow, and can also be used with Brilliant Blue FCF (FD&C Blue 1, E133) or Green S (E142) to produce various green shades.
Basic Info of Tartrazine
Basic Info
Numbering system
Properties
Safety Info
Basic Info
| Chemical Name | NPY4R |
| Synonyms | YELLOW 5;Tartrazin;FD and C Yellow No. 5;NPY4R;FD & C Yellow 5;Expand |
| CAS No. | 1934-21-0 |
| Molecular Formula | C16H12N4NaO9S2+ |
| Molecular Weight | 491.40800 |
| PSA | 220.19000 |
| LogP | 2.78190 |
Numbering system
| EINECS number | 217-699-5 |
| MDL number | MFCD00148908 |
Properties
| Appearance & Physical State | Deep yellow powder |
| Density | 1.93 g/cm3 (20ºC) |
| Melting Point | 300ºC |
| Stability | Stable. Hygroscopic. Incompatible with strong oxidizing agents. |
| Storage Condition | Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. |
Safety Info
| Safety Statements | S24/25 |
| Risk Statements | R42/43 |
| Hazard Codes | Xn |
What is Tartrazine?
With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is it which has developed particularly rapidly in recent years. Do you know about it?
The official answer:CAS No.:1934-21-0English Name: Acid Yellow 23Chinese Name: Acid Yellow 23Chinese Synonyms: Hydrazine Yellow; Tartar Yellow; Lemon Yellow; Tartar Sulfur; Tartar Yellow; NPY4R;Acid Light Yellow; Acid Yellow 23; Edible Lemon Yellow; Acid Yellow 23Molecular Formula: C16H9N4Na3O9S2Molecular Weight:534.36
What’s the application of Tartrazine?
As a food coloring agent, China stipulates that it can be used in fruit juice (flavor) drinks, carbonated drinks, prepared wine, plums, shrimp (flavor) pieces, dipping vegetables, red and green silk candies, pastries on colored decorations, and canned watermelon paste at a maximum use level of 0.1g/kg; in vegetable protein drinks, lactic acid bacteria drinks at a maximum use level of 0.05g/kg; in ice cream at a maximum use level of 0.02g/kg.
It can also be used in paint, ink, plastic, and other industries and in the coloring of literature and educational products.
Conclusion
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