Biebrich scarlet
Buy Biebrich scarlet (CAS 4196-99-0) from Zemixal: C22H14N4Na2O7S2, COA and SDS with every lot, worldwide shipping. Packs from 25 g.
About Biebrich scarlet
Biebrich scarlet is part of the Zemixal stains, Fluorescent Dyes & Histology Reagents range. Key data (Microscopy): CAS 4196-99-0, formula C22H14N4Na2O7S2 and molar mass 556.5 g/mol. It is described as red to brown powder.
Common uses in the lab and plant
- Histology & cytology staining
- Microscopy
- Clinical laboratories
Handling and storage
It carries the GHS signal word Warning (H302, H312, H315 and H319), so wear gloves and eye protection and work with good ventilation.
Standard pack sizes are 25 g, 100 g, 1 kg and 25 kg, and custom quantities are quoted on request. Each lot travels with 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
Specifications and identifiers
| Product name | Biebrich scarlet |
|---|---|
| Catalogue number | ZX-000498 |
| CAS number | 4196-99-0 |
| IUPAC name | disodium;2-[(2-hydroxynaphthalen-1-yl)diazenyl]-5-[(4-sulfonatophenyl)diazenyl]benzenesulfonate |
| Molecular formula | C22H14N4Na2O7S2 |
| Molar mass | 556.5 g/mol |
| Exact mass | 556.0099 |
| Grade | Microscopy |
| Physical form | Powder |
| Appearance | Red to brown powder |
| H-bond donors / acceptors | 1 / 11 |
| Topological polar surface area | 201 Ų |
| HS code | 32049000 |
| InChIKey | VVAVKBBTPWYADW-UHFFFAOYSA-L |
| SMILES | C1=CC=C2C(=C1)C=CC(=C2N=NC3=C(C=C(C=C3)N=NC4=CC=C(C=C4)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+] |
| PubChem CID | 20170 |
| Synonyms | Acid Red 66, Biebrich scarlet WS, Biebrich scarlet sodium salt, Ponceau BS, Acid Scarlet BA, Croceine scarlet, Fast Scarlet BA, Fenazo Scarlet B, Scarlet 3B, C.I. Acid Red 66, Imperial Scarlet 3B, Imperial Scarlet 3BN |
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
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
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 | |
| 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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