4-Nitro-o-xylene, English name 4-nitro-O-xylene, Chinese alias 1, 2-dimethyl-4-nitrobenzene, used as a pharmaceutical intermediate; It is an important raw material for the production of vitamin B2 by chemical synthesis, with irritation, avoid direct contact, and is a chemical intermediate.
| Appearance yellow |
crystalline powder |
Molar refractive index |
42.44 |
| Density |
1.139g/cm³ |
Molar volume |
133.8cm³/mol |
| Melting point |
29-31ºC |
Isotropic volume |
338 |
| Boiling point |
255-257ºC |
Surface tension |
40.7dyne/cm |
| Flash point |
113ºC |
Safety Note |
S36/37 |
| Refractive index |
1.555-1.557 |
Danger category code |
R20/21/22 |
| Solubility |
Insoluble in water, slightly |
Dangerous Goods Transport Number |
UN 3447 |
use:
Medical field
4-nitro-o-xylene is an important intermediate in the synthesis of many drugs. For example, it can be used to synthesize key structural parts of certain antibacterial drugs. In the construction of drug molecules, its nitro and benzene ring structures can introduce other functional groups through a series of chemical reactions, such as reduction, substitution and other reactions, so as to build a complex molecular structure with biological activity.
Pesticide field
It's an intermediate in a new herbicide called dimevalalin. During the synthesis of dimethylpentoline, the structure of 4-nitro-o-xylene is chemically modified and can be transformed into a part with herbicidal activity. It provides a key starting structure for the synthesis of efficient and low-toxicity herbicides and plays an important role in weed control in agricultural production.
Dye industry
Can be used to synthesize some specific colors of dyes. Its benzene ring structure and nitro group can provide a special electron cloud distribution, which, after reacting with other compounds, can generate dye molecules with specific absorption spectra and colors. These dyes may be used in textile, printing and dyeing industries to give fabrics and other materials specific color and color stability.
Research on organic synthetic chemistry
As an organic compound, it is an important reagent in the study of organic synthetic chemistry. Researchers can use it to explore various organic reactions, such as electrophilic substitution, nucleophilic substitution, REDOX and other reactions, in order to develop new organic synthesis methods and strategies, which is of great significance to promote the theoretical and practical development in the field of organic chemistry.
Hunan Huahexing Chemical Trading Co., Ltd. is a large comprehensive economic entity integrating production and sales. Founded in 2017, the company is located in -- Yueyang, the only foreign trade port city in Hunan Province. The company covers an area of 66, 000 square meters with a registered capital of 8000. During the seven years of the company, the total turnover of the company has increased year by year. Annual sales in 2023 reached $19, 000, 000. The company always adhere to the quality of the products, self-produced products: Benzyl alcohol, dimethylsulfoxide, ethyl acetate, cyclohexanone. In terms of technology, we invite professors from Tsinghua University to participate in the production, adopt international advanced technology and equipment, and through the global procurement platform, we comprehensively practice the improvement and optimization of quality system, product quality is widely recognized by customers, and long-term cooperation with large state-owned enterprises such as petrochina and Sinopec. The company is one of the largest comprehensive chemical trade and distribution service providers in the province.
1). Q: How do you control the quality?
A: We have own quality control system, also do any other Third-party test. Our lab do the inspection for 10 years.
2). Q: Do you accept small orders ?
A: Yes. If you are a small retailer or starting up business,We are definitely willing to grow up with you.
And we are looking forward to co-work with you for a long term relationship.
3). Q: Do you provide sample?
A: Sure, we provide 50g free sample.
4). Q: How about the price? Can you make it cheaper ?
A: We always take the customer's benefit as the top priority. Price is negotiable under different conditions,
we are assuring you to get the most competitive price.
5). Q: Are you able to deliver on time?
A: Of course! we specialised in this line for many years,many customer make a deal with me because we can
deliver the goods on time and keep the goods top quality!
6). Q: Can I visit your company and factory in China?
A: Sure. You are very welcomed to visit our company in Kaifeng, China,we will personally take you to visit the factory and explain your doubts in detail.
7). Q: How Can I place an order?
A: You could just send us inquiry to any of our sales representatives to get detailed order information, and we will explain the detail process.
8). Q: When will i get your reply?
A: We ensure the fastest response, fastest service,E-mails will be replied with in 12 hours.
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