6921-26-2 Usage
Description
1,4-Dinitronaphthalene is a chemical compound with the molecular formula C10H6N2O4. It is a yellow crystalline solid known for its strong electron-withdrawing nitro groups, which make it highly reactive in chemical reactions. 1,4-Dinitronaphthalene is commonly used in the manufacturing of dyes, pigments, and explosives. However, it is toxic and can cause irritation to the skin, eyes, and respiratory tract upon exposure. As a potential environmental pollutant, 1,4-Dinitronaphthalene should be handled and disposed of with care to minimize its impact on the environment.
Uses
Used in Dye and Pigment Manufacturing:
1,4-Dinitronaphthalene is used as a key intermediate in the production of various dyes and pigments. Its strong electron-withdrawing properties contribute to the color intensity and stability of the final products.
Used in Explosive Production:
Due to its high reactivity, 1,4-Dinitronaphthalene is utilized as a component in the manufacturing of explosives. Its ability to undergo rapid chemical reactions makes it a valuable ingredient in this industry.
Used in Chemical Research:
1,4-Dinitronaphthalene's reactivity also makes it a useful compound in chemical research, where it can be employed to study various reaction mechanisms and develop new chemical processes.
Check Digit Verification of cas no
The CAS Registry Mumber 6921-26-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,9,2 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6921-26:
(6*6)+(5*9)+(4*2)+(3*1)+(2*2)+(1*6)=102
102 % 10 = 2
So 6921-26-2 is a valid CAS Registry Number.
InChI:InChI=1/C10H6N2O4/c13-11(14)9-5-6-10(12(15)16)8-4-2-1-3-7(8)9/h1-6H
6921-26-2Relevant articles and documents
Highly selective catalytic nitration of 1-nitronaphthalene with NO2 to 1,5-dinitronaphthalene over solid superacid SO42?/ZrO2 promoted by molecular oxygen and acetic anhydride under mild conditions
Yan, Jiaqi,Ni, Wenjin,You, Kuiyi,Duan, Ting,Deng, Renjie,Chen, Yi,Zhao, Fangfang,Liu, Pingle,Luo, He’an
, p. 3569 - 3582 (2021/06/14)
A simple and efficient method for liquid-phase catalytic nitration of 1-nitronaphthalene with NO2 to 1,5-dinitronaphthalene under mild conditions has been developed. The results indicated that the sulfated zirconia (SO42?/ZrO2) as solid superacid catalyst exhibits superior catalytic performance with dioxygen and acetic anhydride. 93.8% conversion of 1-nitronaphthalene and 52.8% 1,5-dinitronaphthalene selectivity were achieved. Furthermore, the physicochemical properties of SO42?/ZrO2 were determined by XRD, Py-FT-IR, BET, FT-IR, Raman spectroscopy and ICP-OES technologies. The possible nitration reaction mechanism over SO42?/ZrO2 catalyst was proposed. The present work provides an easy-to-implement, mild and eco-friendly approach for the efficient preparation of valuable 1,5-dinitronaphthalene, which has extensive industrial application prospects.