PAR, indicator, extra pure
Buy PAR, indicator, extra pure (CAS 16593-81-0) from Zemixal: C11H10N3NaO3, COA and SDS with every lot, worldwide shipping.
About PAR, indicator, extra pure
PAR, indicator, extra pure sits in our stains, Fluorescent Dyes & Histology Reagents section and ships worldwide from stock or short lead time. For your records (Extra Pure), the material is defined by CAS 16593-81-0, formula C11H10N3NaO3 and molar mass 255.2 g/mol.
Common uses in the lab and plant
- Histology & cytology staining
- Microscopy
- Clinical laboratories
Handling and storage
Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.
Standard pack sizes are 1 g, 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
Applications
Grade guides
Specifications and identifiers
| Product name | PAR, indicator, extra pure |
|---|---|
| Catalogue number | ZX-037461 |
| CAS number | 16593-81-0 |
| IUPAC name | sodium;3-hydroxy-4-(pyridin-2-yldiazenyl)phenolate;hydrate |
| Molecular formula | C11H10N3NaO3 |
| Molar mass | 255.2 g/mol |
| Exact mass | 255.062 |
| Grade | Extra Pure |
| H-bond donors / acceptors | 2 / 6 |
| Topological polar surface area | 81.9 Ų |
| HS code | 29333990 |
| InChIKey | KMHFHNVYQMFVAN-UHFFFAOYSA-M |
| SMILES | C1=CC=NC(=C1)N=NC2=C(C=C(C=C2)[O-])O.O.[Na+] |
| PubChem CID | 135442939 |
| Synonyms | 1,3-Benzenediol, 4-(2-pyridinylazo)-, monosodium salt, monohydrate, sodium (E)-3-hydroxy-4-(pyridin-2-yldiazenyl)phenolate hydrate, sodium 3-hydroxy-4-[(1E)-2-(pyridin-2-yl)diazen-1-yl]benzen-1-olate hydrate, 4-(2-pyridylazo) resorcinol monosodium salt hydrate, 4-(2-pyridyldiazenyl)benzene-1,3-diol, sodium salt, hydrate, Sodium 3-oxo-4-[2-(pyridin-2-yl)hydrazinylidene]cyclohexa-1,5-dien-1-olate--water (1/1/1) |
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
| 1 g | 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 PAR, indicator, extra pure
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