南平建陽〓盛貿易有限公司はバングラデシュの顧客と20トンの70%フッ酸水素調達契約を締結し、両用輸出許可証を取得することに成功した

2023-08-03

2023年8月3日、南平、中国南平に本部を置く南平建陽〓盛貿易有限公司はバングラデシュのある顧客と20トンの70%フッ化水素酸の調達契約を結び、重大なマイルストーンを実現した。今回の契約成功は、同社の化学工業分野での専門知識を示すだけでなく、中国とバングラデシュの貿易関係も強化した。フッ化水素酸は用途の広い化学品であり，製造，製薬，電子など様々な業界で広く応用されており，バングラデシュでの需要量が大きい。この契約を獲得することで、南平建陽〓盛貿易有限公司はバングラデシュ市場の日々増加する需要を満たす約束を表明した。契約書に署名したほか、同社は船積みに必要な両用輸出許可証の取得に成功した。この許可証は民間と軍用貨物の輸出に重要であり、同社が国際貿易法規と輸出規制コンプライアンスを遵守していることを明らかにした。軍民両用輸出許可証を獲得したことは、南平建陽〓盛貿易有限公司Sの責任ある経営行為に対する承諾を示しただけでなく、安全で合法的な国際貿易の促進に対する中国の執念も体現した。輸出規制の広範な理解と効率的な物流能力により、同社はフッ化水素酸のバングラデシュへの円滑な輸送を確保するために十分な準備をしている。安全対策を厳格に遵守することはこのような危険な材料の安全処理を確保するために必須的だ。この成功した契約調印とその後に得られた軍民両用輸出許可証は、国際市場における信頼性と競争力のある参加者としての南平建陽盛貿易有限公司の地位をさらに確立した。貿易パートナー関係の促進と規制要求の遵守により、同社は南平の信頼できるグローバル貿易センターとしての名声に貢献した。 20トンの70%フッ化水素酸の購入は中国とバングラデシュの経済協力を奨励するだけでなく、南平が国際顧客の要求を満たす能力も示した。同社とバングラデシュの同業者にとって、これは大きな成果であり、中国のある化学工業業界の持続的な成長を顕著に示している。中国の貿易ネットワークの拡大に伴い、南平の貿易能力は同市の世界商業の重要な参加者としての地位を維持する上で重要な役割を果たしている。その戦略的位置、先進的なインフラと監督管理コンプライアンスに対する約束によって、南平は依然として国際貿易の最前線にあり、商業交流を促進し、共同成長と繁栄を促進した。
2023年8月3日、上海楊浦港はペルーに70%フッ化水素酸5トンを出荷した

2023-08-03

上海、2023年8月3日-国際貿易連絡を強化するため、上海楊浦港は今日ペルーへの70%フッ化水素酸5トンの輸出に成功した。この重要な貨物たちは世界貿易の促進と化学工業の支援に対する港の約束を強調した。フッ化水素酸はその用途が広いことで有名で、製造業、医療保健と電子製品を含む様々な業界に広く応用されている。その腐食性は家庭用品，薬品，電子部品の生産に不可欠である。これらの貨物の順調かつ適時な配送はペルーの日々増加するフッ化水素酸需要を満たすために重要である。洋浦港の最先端の施設と効率的な物流能力は，このような危険材料のシームレス輸送の確保に重要な役割を果たしている。世界貿易構造における重要な参加者として、上海は引き続きその国際商業センターの地位を強化している。洋浦港からペルーにフッ化水素酸を輸出することは、上海が経済影響範囲を拡大し、国際パートナーシップを促進する約束を示した。積載と輸送過程で、安全協定を厳格に遵守し、これらの貨物の安全処理を確保する。洋浦港の国際安全基準に対する堅持と環境保護への奉仕は、信頼できる貿易パートナーとしての名声を再確認した。この輸出は中国とペルー間の貿易関係を強化するだけでなく、上海が世界の化学工業業界の重要な貢献者になる決意も明らかになった。高効率で信頼できる物流支援を提供することによって、洋浦港は上海の世界の主要な貿易センターとしての地位を更に向上させることを目的としている。上海楊浦港はペルーに70%のフッ酸水素を5トン輸出することに成功し、この市が全世界の市場需要を満たす能力と承諾を明らかにした。それは中国経済の持続的な成長とグローバル·サプライチェーンに溶け込む縮図だ。
Production Technology Of Benzyl Acetate

2023-07-26

Raw materials and formulaThe raw materials of this process are styrene and acetic acid. Styrene is obtained by the reaction of the reaction tower, the reactants are benzene and ethylene, the catalyst is ClAlPh3; Acetic acid is obtained by the reaction kettle, the reactants are acetic anhydride and benzaldehyde, the catalyst is sulfuric acid.The formula is:Styrene: 10000 kgAcetic acid: 7400 kgBenzyl alcohol: 1812 kgAcetic anhydride: 765 kgClAlPh3:15 kgSulfuric acid: 310 kg2. Reaction processThe reaction process is as follows:(1) Styrene and acetic acid enter the reactor for ketal reaction, and use sulfuric acid as a catalyst, reaction at 60℃ for 4 hours, to obtain acetophenone.(2) Acetophenone and benzyl alcohol enter the reactor for alcoholysis reaction, and react at 120℃ for 4 hours to obtain benzyl acetate.3. Production process(1) Preparation of styreneThe preparation of styrene requires a gas phase alkylation reaction using a reactor. The specific steps are as follows:1. Add the catalyst ClAlPh3 to the reactor and adjust the reactor temperature to 100℃.2. Add benzene and ethylene to the reactor respectively and control the reactor pressure below 0.1MPa.3. Collect the product mixture at the top of the reactor and pass through the condensator to obtain styrene.(2) Preparation of acetic acidAcetic acid preparation requires esterification using a reactor. The specific steps are as follows:1. Add sulfuric acid to the reactor and heat up to 90℃.2. Add acetic anhydride and benzaldehyde to the reactor respectively, and control the reactor pressure below 0.1MPa.3. After 4 hours of reaction, collect the reactant mixture at the end of the reaction.(3) Preparation of benzyl acetateThe prepared acetophenone and benzyl alcohol were added to the reactor for alcoholysis, and the reaction condition was 120℃ for 4 hours. After the reaction, the reactant mixture was collected, extracted and distilled to obtain benzyl acetate with a purity of 99%.
Ammonium Bifluoride Action And Use

2023-07-26

1.used as glass matting, frosting, etching agent (often used with hydrofluoric acid).2.used as chemical reagent, fermentation industry disinfectant and preservative, beryllium oxide metal beryllium solvent, and silicon steel plate surface treatment agent.3. used for boiler feed water system and steam generation system cleaning and descaling.4. It is used for acidizing the surface of oilfield sand and gravel. In the formation acidification of oil field, ammonium hydrogen fluoride is added to hydrofluoric acid to produce hydrofluoric acid, which is indirectly combined with hydrochloric acid to form soil acid. When this soil acid treats limestone, due to the formation of a protective layer of calcium fluoride insoluble in hydrochloric acid on the pore surface, the dissolution rate of the rock is significantly reduced, the depth of acidification is increased, and the treatment of sandstone can prevent the production of fluorosilicate caused by hydrofluoric acid, while enhancing the ability to dissolve silicates and wall mud, improving the acidification effect. It also reduces the corrosion of ground equipment and pipelines.5. used in electronics industry, Braun tube (cathode picture tube) cleaning agent.6. used in the production of incandescent lamps, light bulb interior matting agent.7. used as alkylation, isomerization catalyst components.8. used as an intermediate for cryolite production.9. Used as wood protective agent and preservative.10. used as a catalyst in electroplating, reaction to produce white material anode mud.11. It is used for acid etching on the surface of aluminum profiles to form a protective layer of fluoride on the surface.12. for the manufacture of magnesium and magnesium alloy, the manufacture of aluminum magnesium alloy oxidant.13. can remove the alkaline residue on the fabric after alkali washing, but also with iron to produce colorless soluble ammonium ferric fluoride, can be used to remove the rust on the fabric.14. used as an analytical reagent and bacterial inhibitor.15. used as a reagent to extract rare elements.16. citrate and ammonium hydrogen fluoride leach cobalt from iron ore tailings.17. used to make welding rods, cast steel, etc.18. can be used as a hidden reagent of trivalent iron ions.19. fiber mordant.20. for the manufacture of ceramics.21. used for organic synthesis fluorination agent.22. electronic grade ammonium hydrogen fluoride can be used in the semiconductor industry.23. Preparation of hydrogen fluoride in the laboratory.24. In oil recovery, ammonium hydrogen fluoride is used to dissolve silica and silicates.
The Use Of Benzyl Acetate

2023-07-26

Benzyl acetate is an organic compound with the chemical formula C9H10O2. It is an ester formed by the condensation of benzyl alcohol and acetic acid. Benzyl acetate is commonly used in various industrial and commercial applications due to its pleasant fragrance, which resembles that of jasmine or cherries. Here are some of its main uses: Fragrance and Flavor Industry: Benzyl acetate is widely used as a fragrance compound in the perfume industry。It is also used as the main component of jasmine and other extracts, soap flavoring agents and other spices and flavors. As a flavoring agent in the food industry. Its pleasant, sweet, and floral aroma makes it a popular choice in various scented products and food items. Solvent: Benzyl acetate is used as a solvent in different applications, such as in the formulation of paints, coatings, and varnishes. It helps dissolve other substances and contributes to the proper consistency and stability of the final products. Industrial Applications: It finds use as an intermediate in the production of other chemicals, including pharmaceuticals, agrochemicals, and plasticizers. Insect Attractant: Some insects produce benzyl acetate as a natural pheromone to attract mates. As a result, it is used in certain insect traps and baits to attract and control pests in agricultural and pest control settings. Cleaning and Personal Care Products: Benzyl acetate can be found in various cleaning products, such as detergents and fabric softeners, due to its pleasant scent. Additionally, it may be used in personal care items like lotions, soaps, and shampoos. It's important to note that while benzyl acetate is generally considered safe for use in these applications and is approved by regulatory agencies like the Food and Drug Administration (FDA) and the European Food Safety Authority (EFSA), it can still cause skin and eye irritation in some individuals. As with any chemical substance, proper handling, storage, and safety precautions should be followed when using benzyl acetate.
The Difference Between Borneol And Camphor

2023-07-21

Borneol and camphor are two different natural organic compounds, which have obvious differences in source, chemical structure and use. 1. Source:Borneol: Borneol is a natural terpene compound usually extracted from the resins of plants such as eucalyptus, camphor, and dipterocarpus. It is found in the essential oils of many plants, especially those that are part of the mint family. Camphor: Camphor is also a natural compound that is mainly extracted from the wood and roots of camphor trees. It is also found in some other plants, such as rose camphor and eucalyptus.2. Distinguishing characteristics of traits:Borneol:(1) Colorless transparent or white translucent flake brittle crystal.(2) Fresh air, no camphor pungent smell.(3) The taste is hot and cool.Camphor:(1) It is a white crystalline powder, or a colorless transparent hard block.(2) Aromatic gas, with a strong and pungent smell of camphor(3) Spicy taste at first, cool after 3. Chemical structure:Borneol: Borneol is a monoterpenoid compound whose molecular structure is a terpene ring and contains a hydroxyl (OH) functional group. It has many isomers, including α-bornol, β-bornol and delta-bornol. Camphor: Camphor is also a monoterpenoid compound whose molecular structure is also a terpene ring, but contains a ketoyl (C=O) functional group. There are two main isomers of camphor: D-camphor and L-camphor. 4. Use:Borneol: Borneol is widely used in Chinese medicine for hemostasis, pain relief, antipyretic, antibacterial and anti-inflammatory and expectorant cough. It is also used in the spice industry and aromatherapy, with a cool mint and camphor aroma. Camphor: Camphor is widely used in the pharmaceutical industry, cosmetics and firefighting industries. It has the effects of dispelling wind and dampness, relieving pain, sterilizing bacteria and repelling insects. Camphor is also used in the manufacture of preservatives, rubber processing AIDS and fuel additives.
The Use Of Borneol

2023-07-21

Borneol is a natural organic compound with the molecular formula C10H18O. It is a bicyclic monoterpene alcohol found in the essential oils of various aromatic plants, including the camphor tree, cinnamon, and several species of the mint family. Borneol has been used for various purposes throughout history, particularly in traditional Chinese medicine and other traditional healing systems. Some of its main uses include: 1.Medicinal Use: Borneol is a key component in traditional Chinese medicine (TCM) and other Asian medicinal systems. It is believed to have properties that can help relieve pain, reduce inflammation, promote blood circulation, and alleviate respiratory conditions. In TCM, borneol is often used in combination with other herbs to enhance their effects. 2.Aromatherapy: Borneol's pleasant minty and camphor-like aroma make it a popular choice in aromatherapy. Its scent is believed to have calming and uplifting properties, helping to reduce stress and anxiety when used in diffusers, massage oils, or bath products. 3.Flavoring Agent: Borneol is used as a flavoring agent in the food and beverage industry, primarily for its minty taste. It is added to some products to provide a refreshing and cooling sensation. 4.Insect Repellent: Borneol has insect-repelling properties and is sometimes used in natural insect repellent formulations to deter pests like mosquitoes and flies. 5.Synthetic Applications: Borneol is used in organic synthesis as a chiral auxiliary. It can be converted into other useful compounds through chemical reactions.
Does NH4F Have Hydrogen Bonds?

2023-07-14

Ammonium fluoride has hydrogen bonds. Ammonium fluoride is an ionic compound. White or colorless transparent rhombic crystal at room temperature, slightly sour taste. It is easily deliquated and decomposed into ammonia and hydrogen fluoride by heat or hot water. Decomposition in hot water, aqueous solution is strongly acidic. It is obtained by neutralizing anhydrous hydrofluoric acid with liquid ammonia. Hydrogen atoms are covalently bonded with the electronegative atom X, and if they are close to the electronegative atom Y (OFN, etc.) with a small radius, X-H is formed between X and Y with hydrogen as the medium. A special intermolecular or intramolecular interaction of the Y form is called a hydrogen bond. [X and Y can be the same kind of molecules, such as hydrogen bonds between water molecules. So hydrogen bonding occurs when a hydrogen atom bonds to a highly electronegative atom (such as fluorine, oxygen, or nitrogen) and interacts with another electronegative atom. In NH4F, hydrogen atoms in the ammonium ion (NH4+) can form hydrogen bonds with fluorine atoms in the fluoride ion (F-). This is because fluorine is very electronegative and produces a strong partially negative charge, while the hydrogen atoms in NH4+ carry a partially positive charge. The hydrogen bond between NH4+ and F- contributes to the overall stability and performance of NH4F.
Application Field Of Ammonium Fluoride

2023-07-14

Ammonium fluoride (NH4F) has a variety of uses, the following are some common areas of application: Industrial applications: Ammonium fluoride can be used as a metal surface treatment agent and a chemical polish for cleaning and removing oxides and dirt from metal surfaces. It can also be used to prepare other chemicals, such as fluoride salts, boron fluoride, etc. It is also used to extract rare elements. Electronics Industry: In semiconductor manufacturing and the electronics industry, ammonium fluoride is used as an etching agent to etch silicon and other materials to form fine circuit patterns. Glass industry: Ammonium fluoride is used as a glass etching agent to etch patterns or textures on the surface of glass. Preservatives and fiber mordants: ammonium fluoride can be used as a preservative in the treatment of wood, paper and fiber products to extend their service life. Lawn and gardening: Ammonium fluoride can be used as a component of fertilizer to provide nitrogen needed by plants and to promote plant growth and green leaf formation. In the field of medicine: Ammonium fluoride is used as an anti-decay agent in dental preparation and can help prevent the formation of cavities. Laboratory application: Used as analytical reagent, masking agent
Can Ammonium Fluoride Dissolve In Water?

2023-07-14

Ammonium fluoride (NH4F) is a compound that is soluble in water, producing hydrogen fluoride and ammonium ions. The ionic equation of ammonium fluoride dissolved in water is: NH4F + H2O=HF (gas) + NH4 + OH-. In this reaction, ammonium fluoride is directly hydrolyzed to ammonium hydrogen fluoride and ammonium ions. The solubility of ammonium fluoride (NH4F) in water is quite high. According to the literature data, the following is the solubility of ammonium fluoride at different temperatures (in grams /100 grams of water) : 0°C: 37.2 grams /100 grams of water 25°C: 37.5 grams /100 grams of water 50°C: 41.2 grams /100 grams of water 100°C: 53.3 g /100 g water These values indicate that at a given temperature, the maximum amount of ammonium fluoride can be dissolved in 100 g water. Please note that these values are approximate and the actual solubility may vary slightly due to other factors such as water purity, pressure, etc. Overall, ammonium fluoride has a relatively high solubility, which allows it to form a stable solution in water. However, it is important to note that ammonium fluoride solution is weakly acidic because it produces a small amount of hydrogen fluoride (HF), which is a weak acid. At high concentrations, ammonium fluoride solutions can be irritating to the skin and mucous membranes, so care is needed when handling them.

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