Chromotrope 2B, GR
Buy Chromotrope 2B, GR (CAS 548-80-1) from Zemixal: C16H9N3Na2O10S2, COA and SDS with every lot, worldwide shipping. Packs from 5 g.
About Chromotrope 2B, GR
Researchers and plant chemists source Chromotrope 2B, GR from Zemixal for routine and specialised work. For your records (AR), the material is defined by CAS 548-80-1, formula C16H9N3Na2O10S2 and molar mass 513.4 g/mol. Typical appearance is dark green to greenish-brown to brown powder.
Common uses in the lab and plant
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Pharmaceutical synthesis
Handling and storage
Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.
Standard pack sizes are 5 g, 25 g, 1 kg and 4 x 25 kg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Pharmaceutical synthesis
Applications
Grade guides
Specifications and identifiers
| Product name | Chromotrope 2B, GR |
|---|---|
| Catalogue number | ZX-000534 |
| CAS number | 548-80-1 |
| IUPAC name | disodium;4,5-dihydroxy-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonate |
| Molecular formula | C16H9N3Na2O10S2 |
| Molar mass | 513.4 g/mol |
| Exact mass | 512.9525 |
| Grade | AR |
| Physical form | Powder |
| Appearance | Dark green to greenish-brown to brown powder |
| H-bond donors / acceptors | 2 / 12 |
| Topological polar surface area | 242 Ų |
| HS code | 29420090 |
| InChIKey | AXUUHWJXDWBCSG-UHFFFAOYSA-L |
| SMILES | C1=CC(=CC=C1N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])O)O)[N+](=O)[O-].[Na+].[Na+] |
| PubChem CID | 68360 |
| Synonyms | 2-(4-Nitrophenylazo)chromotropic acid disodium salt, Acid Red 176, Chromotrope Red 4B, Khromotrop 2B, Naphtocard Fast Red 3B, C.I. Acid Red 176, C.I. Acid Red 176 (VAN), p-Nitrobenzeneazochromotropic acid sodium salt, 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-((4-nitrophenyl)azo)-, disodium salt, C.I. Acid Red 176, disodium salt, PCR 2B, CR-2B |
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
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, 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
| 5 g | Quoted on request | |
| 25 g | Quoted on request | |
| 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.
Questions about Chromotrope 2B, GR
Which CAS number identifies Chromotrope 2B, GR?
What are the formula and molar mass of Chromotrope 2B, GR?
What grade and pack sizes are available for Chromotrope 2B, GR?
Which documents come with Chromotrope 2B, GR?
Can Zemixal ship Chromotrope 2B, GR to my country?
Other grades with CAS 548-80-1
Related products
More in Stains, Fluorescent Dyes & Histology Reagents
Have a list of compounds to price?
Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.