Bismark brown R
Order Bismark brown R (CAS 5421-66-9) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-000501.
About Bismark brown R
Bismark brown R sits in our stains, Fluorescent Dyes & Histology Reagents section and ships worldwide from stock or short lead time. For your records (Microscopy), the material is defined by CAS 5421-66-9, formula C21H26Cl2N8 and molar mass 461.4 g/mol. Typical appearance is powder.
Typical applications
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Dyes & pigments manufacture
Safe handling
Reported physical data: melting point 222 °C (dec.). Classified under GHS with signal word Warning and hazard statements H312 and H315. Read the SDS before first use.
Standard pack sizes are 25 g, 100 g, 1 kg and 25 kg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Dyes & pigments manufacture
Applications
Specifications and identifiers
| Product name | Bismark brown R |
|---|---|
| Catalogue number | ZX-000501 |
| CAS number | 5421-66-9 |
| IUPAC name | 4-[[3-[(2,4-diamino-5-methylphenyl)diazenyl]-4-methylphenyl]diazenyl]-6-methylbenzene-1,3-diamine;dihydrochloride |
| Molecular formula | C21H26Cl2N8 |
| Molar mass | 461.4 g/mol |
| Exact mass | 460.1657 |
| Grade | Microscopy |
| Physical form | Powder |
| Appearance | Powder |
| Melting point | 222 °C (dec.) |
| H-bond donors / acceptors | 6 / 8 |
| Topological polar surface area | 154 Ų |
| HS code | 32129090 |
| InChIKey | WLKAMFOFXYCYDK-UHFFFAOYSA-N |
| SMILES | CC1=C(C=C(C=C1)N=NC2=C(C=C(C(=C2)C)N)N)N=NC3=C(C=C(C(=C3)C)N)N.Cl.Cl |
| PubChem CID | 79459 |
| Synonyms | Basic Brown 4, Vesuvine, Bismarck Brown R, Astra Vesuvine B, Basic Brown 2K, 2,4-Bis(2,4-diamino-5-methyl-1-benzenazo)toluene, C.I. Basic Brown 4, dihydrochloride, Bismarck Brown TSS, Bismarck Brown RLNS, 1,3-Benzenediamine, 4,4'-((4-methyl-1,3-phenylene)bis(azo))bis(6-methyl-, dihydrochloride, 1,3-Benzenediamine, 4,4'-[(4-methyl-1,3-phenylene)bis(azo)]bis[6-methyl-, dihydrochloride, C.I. Basic Brown 4, dihydrochloride (8CI) |
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
- H312Harmful in contact with skin
- H315Causes skin irritation
Precautionary statements P264, P280, P302 + P352, P317, P321, P332 + P317, P362 + P364, 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.
Questions about Bismark brown R
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