Molekula
Tartrazine (C.I. 19140)
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.
Overview
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.
Specifications
| Property | Value |
|---|---|
| Appearance | Yellowish Orange Powder |
| Physical Appearance | Yellowish Orange Powder |
| Assay | Total colour: 85.0% min |
| Solubility in water | Soluble |
| Water insoluble matter | 0.20% max |
| Combined Ether Extracts | 0.20% max |
| Subsidiary Dyes | 1.00% max |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 71 C |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 1934-21-0 |
| Molecular Formula | CC16H9N4Na3O9S2 |
| Molecular Weight | 534.36 |
| REACH Code | Y110 |
| Tariff Code | 32129000 |
Safety & GHS
-
Serious Health Hazard
GHS08
Hazard statements
- H317 May cause an allergic skin reaction
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P309+311 IF exposed or you feel unwell: Call a POISON CENTER or doctor/physician
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Tartrazine (C.I. 19140) used for?
Tartrazine is a synthetic yellow food dye commonly used in beverages, confectionery, and pharmaceuticals to provide a bright yellow color.
What is the chemical formula and molecular weight of Tartrazine?
The formula is C16H9N4Na3O9S2 and the molecular weight is 534.36 g/mol.
How should Tartrazine be stored?
Store at ambient temperature, away from moisture and direct sunlight.
What grade of Tartrazine does Molekula supply?
Molekula supplies Food Grade Tartrazine, suitable for use in food and pharmaceutical applications.
Can Molekula supply Tartrazine in bulk?
Yes, Molekula can supply Tartrazine in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a Tartrazine order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) for compliance and safety.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.