Congo red, papers
Order Congo red, papers (CAS 573-58-0) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-000332.
About Congo red, papers
Researchers and plant chemists source Congo red, papers from Zemixal for routine and specialised work. Identity at a glance: CAS 573-58-0, formula C32H22N6Na2O6S2 and molar mass 696.7 g/mol. It is described as papers.
Common uses in the lab and plant
- Titration end-point detection
- pH determination
- Analytical testing
Safe handling
Hazard communication follows GHS (Danger: H350). Our SDS lists exposure controls and first-aid measures.
Available as 1 pkt and 10 pkt. Larger or split packs can be arranged. 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
- Titration end-point detection
- pH determination
- Analytical testing
Applications
Specifications and identifiers
| Product name | Congo red, papers |
|---|---|
| Catalogue number | ZX-000332 |
| CAS number | 573-58-0 |
| IUPAC name | disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate |
| Molecular formula | C32H22N6Na2O6S2 |
| Molar mass | 696.7 g/mol |
| Exact mass | 696.0838 |
| Appearance | Papers |
| H-bond donors / acceptors | 2 / 12 |
| Topological polar surface area | 233 Ų |
| HS code | 32041421 |
| InChIKey | IQFVPQOLBLOTPF-UHFFFAOYSA-L |
| SMILES | C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+] |
| PubChem CID | 11313 |
| Synonyms | C.I. Direct Red 28, Congazone sodium, Benzo Congo Red, Mitsui Congo Red, Cotton Red L, Haemomedical, Hemorrhagyl, Hispamin Congo 4B, Brasilamina congo 4B, Sugai Congo Red, Atul Congo Red, Vondacel Red CL |
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, P281, 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
| 1 pkt | Quoted on request | |
| 10 pkt | 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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