Tartrazine, GR for microscopy
Tartrazine, GR for microscopy (CAS 1934-21-0) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Quotes within one business day.
About Tartrazine, GR for microscopy
Zemixal supplies Tartrazine, GR for microscopy within its laboratory Chemicals & Reagents portfolio. Identity at a glance (AR / Microscopy): CAS 1934-21-0, formula C16H9N4Na3O9S2 and molar mass 534.4 g/mol. It is described as orange powder.
Typical applications
- Histology & cytology staining
- Microscopy
- Clinical laboratories
Handling and storage
Hazard communication follows GHS (Warning: H317). Our SDS lists exposure controls and first-aid measures.
Order it in 25 g, 100 g, 1 kg, 5 x 1 kg and 4 x 25 kg packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Histology & cytology staining
- Microscopy
- Clinical laboratories
Applications
Grade guides
Specifications and identifiers
| Product name | Tartrazine, GR for microscopy |
|---|---|
| Catalogue number | ZX-000717 |
| CAS number | 1934-21-0 |
| IUPAC name | trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate |
| Molecular formula | C16H9N4Na3O9S2 |
| Molar mass | 534.4 g/mol |
| Exact mass | 533.9504 |
| Grade | AR / Microscopy |
| Physical form | Powder |
| Appearance | Orange powder |
| H-bond donors / acceptors | 0 / 12 |
| Topological polar surface area | 229 Ų |
| HS code | 32041982 |
| InChIKey | UJMBCXLDXJUMFB-UHFFFAOYSA-K |
| SMILES | C1=CC(=CC=C1N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])C(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+] |
| PubChem CID | 164825 |
| Synonyms | Acid Yellow 23, Yellow 5, Food Yellow 4, Aizen tartrazine, Tartraphenine, Tartran Yellow, Amacid Yellow T, Cilefa Yellow T, FD&C Yellow No. 5, A.F. Yellow No. 4, FD & C Yellow no. 5, Tartrazine FD&C Yellow #5 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H317May cause an allergic skin reaction
Precautionary statements P280
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request | |
| 5 x 1 kg | Quoted on request | |
| 4 x 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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Other grades with CAS 1934-21-0
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