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chemical composition The resin contains oleanolic acid and 3-epiocyanate. The green fruit contains 0.26% oil. Suhexiang resin contains volatile oils containing a- and β-pinene, myrcene, camphene, limonene, and 1,8-cineole. For p-cymene, terpinolene, linalool, 4-terpineol, a-terpineol, cinnamon Cinnamicaldehyde, trans-methyl cinnamate, ethyphenol, allylphenol, n-propyl cinnamate, β-phenylpropionic acid (β-phenylpropionic acid), 1-benzoyl-3-phenylpropyne, benzoic acid, palmitic acid, linoleic...
Data show that last week the domestic chemical market showed a slight shock consolidation. Of the 68 chemical products monitored, 17 were up products, accounting for 25% of the monitored products; 13 products were falling prices, accounting for 19.1% of the monitored products. Driven by international crude oil, performance of alkanes, aromatics and downstream polyurethane products remained good, but due to the downstream demand is gradually recovering, most chemical products entered the period...
Fluorite ore is distributed worldwide and there are few reserves available for exploitation in China. According to statistics from the US Geological Survey, the global distribution of fluorite resources is relatively concentrated. As of 2009, the world’s fluorite reserves were 470 million tons, and the exploitable reserves were 230 million tons, among which the fluorite reserves in South Africa, Mexico, China and Mongolia rank in the top 4 in the world, and the 4 countries can exploit 45% of...
“The United States and Germany are all engaged in chemical companies, chemical products are everywhere, from food and clothing, chemical industry is indispensable in daily life. There is no backward industry, only backward technology. Nanjing as the capital city, the center city, chemical industry It is indispensable, but what we need is advanced chemical industry and large chemical industry.” Luo Qun, deputy mayor of Nanjing, made the above statement when talking about the development of the...
At 9 o'clock in the morning on the 9th, the first science building of Sichuan University's Wangjiang campus was filled with acid gas. The school has evacuated people downstairs and pulled up the cordon. No one is currently injured. At noon, the reporter went to the first science building of Sichuan University, and the teaching and research order has basically returned to normal. In the staircase on the third floor of the incident, a faint pungent odor was still smelt. The floor of the...
Flexible wearable electronics is the hot direction for the development of electronic components in the future, and power supply is an important part of it. The choice and design of the power supply influence the design and functionality of future wearable electronics. At present, power supplies have great restrictions on the outdoor use of wearable electronics, large area fit, and safety. In recent years, metal-organic hybrid perovskite solar cells have received extensive attention for their...
Pear: prolactin makes it premature It is precooked by using swells and granules, and then bleached and bleached with a coloring agent (lemon yellow). Treated pear juice is less odorless, sometimes accompanied by odor and rancid odor. This poisonous pear has a short shelf life and is perishable. Apple: Enhancement of erythropoietin With a reminder of swelling agents, erythropoietin increases color and preservatives are kept fresh. Excessive use of vasodilators, erythropoietin, and preservatives...
Recently, a world-renowned consulting company published a research report and believed that with the gradual improvement of the global PV industry's development prospects, the relevant chemical market is also optimistic. At present, the proportion of solar energy in the overall energy market is less than 1%, but with the increasingly tense supply of traditional energy such as oil and natural gas, solar energy will achieve significant market share growth in the overall energy market. In...
According to the latest research report of the Friedonia Group, the demand for global water treatment chemicals and equipment will grow rapidly at an average annual rate of 5.7% by 2013. The growth rate in most regions is much higher than the growth rate of local GDP. By 2013, the global water treatment chemicals and equipment market share will reach 59 billion US dollars. Sustained industrial expansion and increased awareness of safe water supply assurance, China's water treatment...
Recently, representatives of the United States legislature, the US Environmental Protection Agency, industrial groups, and other stakeholders agreed to amend the "Toxic Substances Control Act" (TSCA). The new bill is expected to be passed within two years. Previously, the industry represented by the American Chemistry Council (ACC) strongly urged the federal legislature to amend the Toxic Substances Control Act and requested that the US Environmental Protection Agency give priority to...
The domestic commodity futures rose mostly on February 10, but the performance of the varieties changed. The trend of non-ferrous metals such as Shanghai Copper was weaker, and chemical products rose sharply. White sugar hit a record high. Market participants pointed out that maintaining overall price stability is the focus of regulation and control. Commodity gains are under pressure. White sugar hit another record high. From the analysis of domestic sugar supply and demand situation, as of...
The China Securities Regulatory Commission issued an announcement on the evening of January 10 that the issuing review committee passed the initial application of Qitaihe Baotailong Coal Chemical Co., Ltd. today. The prospectus shows that the company intends to issue 97 million shares, with a total share capital of 387 million shares after issuance, and is planned to be listed on the SSE. The first venture securities will be its underwriters. The company is engaged in the production and sales...
Small-scale agricultural medical equipment such as mist sprayers and atomizers should be cleaned immediately after spraying, especially after using highly toxic pesticides and various herbicides, they should be immediately cleaned in the medicine barrel, otherwise the crop or vegetables would be damaged. It will produce poison. For example, the day before the use of "long-effect Ling" pesticide spray cotton, and the day after the day in the case of not cleaning the same medical...
On September 15, the 2010 (10th) China International Chemicals Exhibition was grandly opened in Shanghai. Although there are still many uncertainties in the post-crisis era, the exhibition attracted 102 foreign companies from 17 countries and regions. In particular, exhibitors in the Asia region, which are less affected by the financial crisis, have obviously increased their number. The shape of the company's booths has attracted more attention; some European and American companies also...
According to the 2001 Stockholm Convention on Persistent Organic Pollutants, the United Nations Environment Programme included new nine chemical substances in the list of prohibited and restricted substances that are harmful to human and animal health and the environment. The total number of chemicals classified as prohibited and restricted increased to 21 types. This revision is the first ever list of chemical substances that the Stockholm Convention on Persistent Organic Pollutants increases...
Mitsui Chemicals announced on July 13 that its Tafmer polyolefin elastomer device at Jurong Island in Singapore was officially completed. The total investment of the 100,000-ton/year plant built in March 2010 was 200 million U.S. dollars. It is a joint venture of Mitsui Elastomers Singapore (MELS), which uses Mitsui Chemicals' proprietary technology and metallocene catalysts. This project enabled Mitsui Elastomers Singapore (MELS) to achieve a total capacity of 200,000 tons of Tafmer...
According to the latest research report of SRI Consulting, the demand for special paper chemicals in the world will decline slightly at an average annual rate of 0.2% from 2008 to 2013 due to the decline in paper consumption in the publishing and packaging industry worldwide, especially in Europe. Changes in demand vary greatly from region to region. According to Ray Weir, a senior consultant at SRI, “The demand for newsprint is continuously declining, but the speed has begun to slow. The...
Despite the impact of the financial crisis, the 2009 China International Fine Chemicals and Custom Chemicals Exhibition scheduled to be held in Shanghai from December 1 to 3, the business registration is enthusiastic, and the scale has been greatly expanded compared to the previous session. According to reports, there are currently large domestic chemical companies such as Sinochem Group and Juhua, as well as leading companies in the field of customized synthesis abroad such as Evonik and TCI....
On December 25, Shanghai Tianyuan Huasheng Chemical Co., Ltd. (a wholly-owned subsidiary of chlor-alkali chemical industry (hereinafter referred to as Tianyuan Huasheng), a subsidiary of Shanghai Tianyuan Huasheng Chemical Industry Co., Ltd., located in Shanghai Chemical Industry Park Production facilities, quietly standing in the factory area, enjoying the winter sunshine. And it has been so quiet for two weeks. "Discontinued production is a last resort, and this matter will indeed have a...
According to reports, since 2003, the development of bio-catalysis and bio-conversion technology has been highly valued by the Chinese government. The National Medium- and Long-Term Scientific and Technological Development Plan and the “863” Plan have added special topics on biological catalysis and biotransformation. The Chinese Academy of Sciences and some famous universities have initiated an upsurge of research. Chinese state-owned enterprises such as Sinopec, PetroChina, and COFCO have...
In Linfen, Shanxi Province, an acid gas treatment process named "Fengxi Haichuan Catalytic Oxidation" succeeded in solving the problem of low-temperature, low-concentration acid gas treatment that has always existed in the coal chemical industry. On November 24, the reporter saw at the site of the 400,000-ton-per-year methanol phase II project of Linfen Branch of Shanxi Fengxi Fertilizer Industry (Group) Co., Ltd., this set of exhaust gas for the first time to realize industrial...
According to Xinhua News Agency, the European Commission put forward a new proposal on toy safety rules on January 25 to further strengthen toy safety on the EU market. The Deputy Commissioner for Industry and Industry of the European Commission, Fairholgan, told the press conference that the new rules were revised on the basis of the “Safety Toys Directive” promulgated by the European Union in May 1988. The focus of the amendment is to strengthen the Chemical toy safety. Fairholgan said that...
BASF tops Dow Chemical's rankings The US "Chem Weekly" just announced the latest ranking of the 2007 World Chemicals $1 billion club. Ranked in the 2006 chemical sales of the finalists, BASF topped Dow Chemical in the previous year. BASF’s chemical sales in 2006 increased by 19% to US$51.6 billion, while Dow Chemical increased by 6% to US$49.1 billion. ExxonMobil Chemical and Shell Chemicals ranked third and fourth respectively. Of the top 10 companies in the $1 billion club...
Michael Sison KeyBanc Capital Markets analyst recently pointed out, by the strong growth in sales of organic chemicals in 2007, global specialty chemicals industry profits will be further growth, specialty chemicals company will benefit. In addition, Sison said that the recovery of the European market and the continued strong growth of the Asian market have made the professional chemicals market look promising. However, Sison also expressed concern that the global professional chemical industry...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.