PAR, indicator, 99%+
Order PAR, indicator, 99%+ (CAS 16593-81-0) online at Zemixal: C11H10N3NaO3, COA and SDS with every lot, worldwide shipping.
About PAR, indicator, 99%+
Researchers and plant chemists source PAR, indicator, 99%+ from Zemixal for routine and specialised work. Key data (Microscopy): CAS 16593-81-0, formula C11H10N3NaO3 and molar mass 255.2 g/mol. Expect orange-brown powder or crystals.
Where it is used
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Indicator for titrations
Storage and safety notes
Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.
Available as 1 g, 5 g, 25 g and 1 kg. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Indicator for titrations
Applications
Specifications and identifiers
| Product name | PAR, indicator, 99%+ |
|---|---|
| Catalogue number | ZX-000677 |
| 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 | Microscopy |
| Purity / assay | ≥99% |
| Physical form | Crystalline |
| Appearance | Orange-brown powder or crystals |
| 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 | 4-(2-Pyridylazo)resorcinol monosodium salt hydrate, PAR monosodium salt hydrate, 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, C11H10N3NaO3, 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 | |
| 5 g | Quoted on request | |
| 25 g | Quoted on request | |
| 1 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 PAR, indicator, 99%+
Which CAS number identifies PAR, indicator, 99%+?
What are the formula and molar mass of PAR, indicator, 99%+?
What grade and pack sizes are available for PAR, indicator, 99%+?
Which documents come with PAR, indicator, 99%+?
Can Zemixal ship PAR, indicator, 99%+ to my country?
Other grades with CAS 16593-81-0
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.