Product Details
| Product Name: 1-Nitroso-2-naphthol | CAS No.: 131-91-9 |
| Min. Order: 1KG | Purity: 99% |
| Supply Ability: g-kg-tons, free sample is available | Release date: 2026/07/09 |
| Lead time: In stock | Packaging: bottle/ drum/ bucket/ IBC, as request. |
| Delivery: By sea, by air, by express | Origin: Manufacturer |
1. Product information
| Product Name: | 1-Nitroso-2-naphthol |
| Synonyms: | LABOTEST-BB LT00068477;CI NO 10005;zelenmoridlova4;1-Nitroso-2-phthol;α-Nitroso-β-nophthol;1-nitroso-2-naphthol (alpha-beta);1-nitrosonaphthalen-2-ol;2-Hydroxy-1-nitrosonaphthalene |
| CAS: | 131-91-9 |
| MF: | C10H7NO2 |
| MW: | 173.17 |
| EINECS: | 205-043-0 |
| Product Categories: | Phenoles and thiophenoles;Nitrogen Compounds;Intermediates of Dyes and Pigments;Nitroso Compounds;Organic Building Blocks |
| Mol File: | 131-91-9.mol |
 | |
| 1-Nitroso-2-naphthol Chemical Properties |
| Melting point | 106-108 °C (dec.) (lit.) |
| Boiling point | 303.81°C (rough estimate) |
| density | 1.2427 (rough estimate) |
| refractive index | 1.5200 (estimate) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| Colour Index | 10005 |
| pka | 7.87±0.10(Predicted) |
| form | crystalline |
| color | tan to brown |
| Water Solubility | insoluble |
| 1-Nitroso-2-naphthol Usage And Synthesis |
| Chemical Properties | brown powder |
| Uses | Organic synthesis, prevention of gum formation in gasoline, dye intermediate, analytical reagent. |
| Uses | 1-Nitroso-2-naphthol as a complexing agent for the on-line preconcentration of cobalt with FI-FAAS. 1-Nitroso-2-naphthol is the chelating ion-exchanger in the synthesis of alumina adsorbents that are of acidic, basic and neutral nature. It is used for the removal and preconcentration of Pb(II), Cu(II), Cr(III) from waste, as well as drinking water. It is also used in the preconcentration of cobalt using C(18) microcolumn with flow injection that is coupled to a flame atomic absorption spectrometry (FI-FAAS) system. 1-Nitroso-2-naphthol is used in the preparation of 1-nitroso-2-naphthol-sodium nitrite reagent. |
| Definition | ChEBI: 1-Nitroso-2-naphthol is a member of naphthols. |
| Safety Profile | Moderately toxic by ingestion.Many nitroso compounds are carcinogens. Ignites whenheated to 124°C. Mutation data reported. When heated todecomposition it emits toxic fumes of NOx. |
| Purification Methods | Crystallise the naphthol from pet ether (b 60-80o, 7.5mL/g). [Beilstein 7 H 712, 7 IV 2419.] |
2. Packaging
For powders: normal is 25kgs/Drum or bag, or larger/smaller package as request.
For liquids: normal 25kgs/drum, 180-300kgs/bucket, or IBC, determined by the nature of the product.
Or smaller package 1kg/bottle, 10kgs/bottle as request.
3. Shipping
4. Contact information
For more details, pls contact us freely.
Email address : elin@fdachem.com
Mob: 86 13613820652
WhatsApp/Skype/Wechat/LINE: 86 13613820652
Company Profile Introduction
Henan Fengda Chemical Co., Ltd. a research customization and supplier specializing in PPb grade ultra-high purity electronic chemicals, deeply rooted in the semiconductor and new display fields, committed to providing the most core and purest chemical components for photoresist and high-end display materials.
We provide key monomers for KrF/ArF photoresist, photoacid generators (PAGs), photoacids, and etching solution raw materials, providing cornerstone materials for advanced process photoresist formulations;
We take ICP-MS full spectrum metal impurity analysis as the quality cornerstone and provide ICP-MS metal impurity COA reports to meet the strict industry requirements for PPb grade electronic chemical materials. The COA report contains important data such as NA, Mg, K, Ca, Al, Cr, Fe, Ni, Cu, Zn, Pb, Ag, etc. To provide customers with pure and reliable source assurance for cutting-edge research and stable production.
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