3,3'-DIMETHYLNAPHTHIDINE
- CAS No.
- 13138-48-2
- Chemical Name:
- 3,3'-DIMETHYLNAPHTHIDINE
- Synonyms
- Einecs 236-069-0;3,3-DIMETHYLNAPHTHIDINE;3,3'-DIMETHYLNAPHTHIDINE;3,3' -dimethylbipyridine;3,3'-DIMETHYLNAPHTHIDINE;3 3-DIMETHYLNAPHTHIDINE 98%;3 3'-DIMETHYLNAPHTHIDINE REDOX IND. &;3,3'-DIMETHYLNAPHTHIDINE METAL INDICATOR;3,3-Dimethylnaphthidine extrapure AR, 98%;4,4'-DIAMINO-3,3'-DIMETHYL-1,1'-BINAPHTHYL
- CBNumber:
- CB4439046
- Molecular Formula:
- C22H20N2
- Molecular Weight:
- 312.41
- MDL Number:
- MFCD00042706
- MOL File:
- 13138-48-2.mol
Melting point | 232 °C |
---|---|
Boiling point | 479.3±40.0 °C(Predicted) |
Density | 1.201±0.06 g/cm3(Predicted) |
storage temp. | Store below +30°C. |
Water Solubility | Slightly soluble in water |
form | powder to crystal |
pka | 4.79±0.10(Predicted) |
color | White to Gray to Brown |
BRN | 2152306 |
CAS DataBase Reference | 13138-48-2(CAS DataBase Reference) |
3,3'-DIMETHYLNAPHTHIDINE price More Price(16)
Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
---|---|---|---|---|---|---|---|
Sigma-Aldrich | 1.03122 | 3,3′-Dimethylnaphthidine | 13138-48-2 | 1g | $767 | 2024-03-01 | Buy |
TCI Chemical | D0754 | 3,3'-Dimethylnaphthidine [for Colorimetric Determination of Cl in Water] >97.0%(T) | 13138-48-2 | 1g | $247 | 2024-03-01 | Buy |
TCI Chemical | D0754 | 3,3'-Dimethylnaphthidine [for Colorimetric Determination of Cl in Water] >97.0%(T) | 13138-48-2 | 5g | $789 | 2024-03-01 | Buy |
TRC | D461378 | 3,3''-Dimethylnaphthidine | 13138-48-2 | 50mg | $110 | 2021-12-16 | Buy |
TRC | D461378 | 3,3''-Dimethylnaphthidine | 13138-48-2 | 100mg | $155 | 2021-12-16 | Buy |
3,3'-DIMETHYLNAPHTHIDINE Chemical Properties,Uses,Production
Description
3, 3-Dimethylnaphthidine is a polycyclic aromatic hydrocarbon, being one kind of dimethylnaphthidine isomers. It is a useful indicator for metal titration (for example, the titration of aluminum using EDTA method, determination of vanadium). It has also been used for the photometric determination of small amount of oxygen as well as chlorine in water.
Sources
https://en.wikipedia.org/wiki/2,6-Dimethylnaphthalene
https://www.sigmaaldrich.com/catalog/product/aldrich/358932?lang=zh®ion=CN
http://www.titrations.info/EDTA-titration-aluminum
http://pubs.rsc.org/en/content/articlehtml/1971/an/an9719600591
http://pubs.rsc.org/en/content/articlehtml/1968/an/an9689300142
https://pubs.acs.org/doi/pdf/10.1021/ac60088a056
Purification Methods
Recrystallise the naphthidine from EtOH or pet ether (b 60-80o). [Beilstein 13 IV 493.]
3,3'-DIMETHYLNAPHTHIDINE Preparation Products And Raw materials
Raw materials
Preparation Products
Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
City Chemical LLC | 2039322489 | sales@citychemical.com | United States | 168 | 58 |
Alchem Pharmtech,Inc. | 8485655694 | sales@alchempharmtech.com | United States | 63687 | 58 |
CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49374 | 58 |
Antai Fine Chemical Technology Co.,Limited | 18503026267 | info@antaichem.com | CHINA | 9636 | 58 |
Shanghai Daeyeon Chemicals Co., Ltd | 021-64478606 +8615900664856 | daeyeon001@vip.163.com | China | 2062 | 58 |
CD Chemical Group Limited | +8615986615575 | info@codchem.com | China | 20342 | 58 |
Suzhou Laing Biotechnology Co.,Ltd | +86-13004516015 +86-18149392822 | christina@laingbiotec.com | China | 777 | 58 |
SUZHOU SENFEIDA CHEMICAL CO.,LTD | +86-0512-83500002 +8615195660023 | sales@senfeida.com | China | 23046 | 58 |
LEAPCHEM CO., LTD. | +86-852-30606658 | market18@leapchem.com | China | 43340 | 58 |
Jilin Chinese Academy of Sciences-yanshen Technology | +undefined18143011203 | info@chemextension.com | China | 42056 | 58 |