Nitroso R salt, GR
Nitroso R salt, GR (CAS 525-05-3) supplier Zemixal. Request a quote with price, lead time and documents. Packs from 25 g.
About Nitroso R salt, GR
Researchers and plant chemists source Nitroso R salt, GR from Zemixal for routine and specialised work. For your records (AR), the material is defined by CAS 525-05-3, formula C10H5NNa2O8S2 and molar mass 377.3 g/mol. Typical appearance is yellow to green yellow solid.
Common uses in the lab and plant
- Titration end-point detection
- pH determination
- Analytical testing
Safe handling
It carries the GHS signal word Warning (H302, H312, H315 and H319), so wear gloves and eye protection and work with good ventilation.
Order it in 25 g, 100 g, 1 kg, 5 kg and 25 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Titration end-point detection
- pH determination
- Analytical testing
Applications
Grade guides
Specifications and identifiers
| Product name | Nitroso R salt, GR |
|---|---|
| Catalogue number | ZX-000391 |
| CAS number | 525-05-3 |
| IUPAC name | disodium;3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate |
| Molecular formula | C10H5NNa2O8S2 |
| Molar mass | 377.3 g/mol |
| Exact mass | 376.9252 |
| Grade | AR |
| Physical form | Solid |
| Appearance | Yellow to green yellow solid |
| H-bond donors / acceptors | 1 / 9 |
| Topological polar surface area | 181 Ų |
| HS code | 29089990 |
| InChIKey | DMKMTGULLYISBH-UHFFFAOYSA-L |
| SMILES | C1=CC2=C(C(=C(C=C2C=C1S(=O)(=O)[O-])S(=O)(=O)[O-])O)N=O.[Na+].[Na+] |
| PubChem CID | 10672 |
| Synonyms | 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt, 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt, Nitroso-R-salt, 1-Nitroso-3,6-disulfonate, Nitroso-R salt, Sodium 3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate, Disodium 1-nitroso-2-naphthol-3,6-disulfonate, disodium 3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate, Disodium 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonate, Nitroso R, 2-Hydroxy-3-nitroso-2,7-naphthalenedisulfonic acid disodium salt, 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-nitroso-, sodium salt (1:2) |
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
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, 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
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request | |
| 5 kg | Quoted on request | |
| 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.
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