a-Naphthyl red
Buy a-Naphthyl red (CAS 131-22-6) from Zemixal: C16H13N3, COA and SDS with every lot, worldwide shipping. Packs from 5 g.
About a-Naphthyl red
Zemixal supplies a-Naphthyl red within its laboratory Chemicals & Reagents portfolio. Identity at a glance: CAS 131-22-6, formula C16H13N3 and molar mass 247.29 g/mol.
Common uses in the lab and plant
- Titration end-point detection
- pH determination
- Analytical testing
- Indicator for titrations
Handling and storage
It carries the GHS signal word Warning (H315 and H319), so wear gloves and eye protection and work with good ventilation.
Order it in 5 g packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Titration end-point detection
- pH determination
- Analytical testing
- Indicator for titrations
Applications
Specifications and identifiers
| Product name | a-Naphthyl red |
|---|---|
| Catalogue number | ZX-019500 |
| CAS number | 131-22-6 |
| IUPAC name | 4-phenyldiazenylnaphthalen-1-amine |
| Molecular formula | C16H13N3 |
| Molar mass | 247.29 g/mol |
| Exact mass | 247.1109 |
| XLogP3 | 4.3 |
| H-bond donors / acceptors | 1 / 3 |
| Topological polar surface area | 50.7 Ų |
| InChIKey | IICHURGZQPGTRD-UHFFFAOYSA-N |
| SMILES | C1=CC=C(C=C1)N=NC2=CC=C(C3=CC=CC=C32)N |
| PubChem CID | 8562 |
| Synonyms | 4-Phenylazo-1-naphthylamine, 4-(Phenylazo)-1-naphthylamine, alpha-Naphthyl red, 4-Benzeneazo-1-naphthylamine, 1-Naphthalenamine, 4-(2-phenyldiazenyl)-, 1-Naphthalenamine, 4-(phenylazo)-, .alpha.-Naphthyl red, 1-Naphthylamine, 4-(phenylazo)-, Naphthalene, 1-phenylazo-4-amino-, Phenylazo alpha-naphthylamine, Phenylazo-alpha-naphthylamine, 4-Benzene-azo-alpha-naphthylamine |
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
Precautionary statements P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364
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 |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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