Trypan blue
Buy Trypan blue (CAS 72-57-1) from Zemixal. Request a quote with price, lead time and documents. Exported from India with full paperwork.
About Trypan blue
Trypan blue sits in our stains, Fluorescent Dyes & Histology Reagents section and ships worldwide from stock or short lead time. Key data (Microscopy): CAS 72-57-1, formula C34H24N6Na4O14S4 and molar mass 960.8 g/mol. Typical appearance is dark green to brown or brown-black to dark blue powder.
Use cases we see most often
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Biological staining
Handling and storage
Hazard communication follows GHS (Danger: H350). Our SDS lists exposure controls and first-aid measures.
Standard pack sizes are 25 g, 100 g, 1 kg and 5 kg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. 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
- Biological staining
Applications
Specifications and identifiers
| Product name | Trypan blue |
|---|---|
| Catalogue number | ZX-000731 |
| CAS number | 72-57-1 |
| IUPAC name | tetrasodium;5-amino-3-[[4-[4-[(8-amino-1-hydroxy-3,6-disulfonatonaphthalen-2-yl)diazenyl]-3-methylphenyl]-2-methylphenyl]diazenyl]-4-hydroxynaphthalene-2,7-disulfonate |
| Molecular formula | C34H24N6Na4O14S4 |
| Molar mass | 960.8 g/mol |
| Exact mass | 959.9824 |
| Grade | Microscopy |
| Physical form | Powder |
| Appearance | Dark green to brown or brown-black to dark blue powder |
| H-bond donors / acceptors | 4 / 20 |
| Topological polar surface area | 404 Ų |
| HS code | 32049000 |
| InChIKey | GLNADSQYFUSGOU-UHFFFAOYSA-J |
| SMILES | CC1=C(C=CC(=C1)C2=CC(=C(C=C2)N=NC3=C(C4=C(C=C(C=C4C=C3S(=O)(=O)[O-])S(=O)(=O)[O-])N)O)C)N=NC5=C(C6=C(C=C(C=C6C=C5S(=O)(=O)[O-])S(=O)(=O)[O-])N)O.[Na+].[Na+].[Na+].[Na+] |
| PubChem CID | 6296 |
| Synonyms | Direct blue 14, C.I. Direct Blue 14, Niagara Blue, Benzamine Blue, Dianil blue, Benzo Blue, Congo Blue, Naphthylamine Blue, Diphenyl Blue, Diamine Blue, Niagara Blue 3B, trypan-blue |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H350May cause cancer
Precautionary statements P201, P308 + P313
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 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Trypan blue
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Other grades with CAS 72-57-1
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