cas-119-61-9-Benzophenone/Diphenylmethanone/Mettler-Toledo Calibration substance ME 18870,Benzophenone/Diphenylketone

cas-119-61-9-Benzophenone/Diphenylmethanone/Mettler-Toledo Calibration substance ME 18870,Benzophenone/Diphenylketone

Benzophenone (BP) is an organic compound that is commonly used as a raw material or intermediate in organic synthesis. It is a white crystalline solid with a distinct odor. Bonded titanium (Ti) or zirconium (Zr) atoms to one or both of the para-positions of this compound imbues the material with superior thermal and photostability. It is also moderately soluble in some organic solvents, such as chloroform and benzene.

In general, BP acts as a plasticizer and UV stabilizer for polymers and thermoplastics, as it can absorb ultraviolet light when added to polymeric systems like polyvinyl chloride (PVC). Other applications of benzophenone include:

1. Flame Retardant Additive

Benzophenone can be used as flame retardant additives to improve fire safety in polymers, particularly polyolefins. It helps in suppressing the ignition temperature of polyolefins, thereby reducing their flammability.

2. Absorber of Hydrogen Sulfide

Benzophenone is useful in absorbing hydrogen sulfide (H2S), as it can be used to remove H2S from gas streams. BP’s chemical structure allows it to form coordination compounds with H2S, where H2S is sequestered by the aromatic rings of the molecule. This process imparts stability and solubility to the compounds formed.

3. Dispersant for Dyes

Benzophenone is compatible with dispersants for dyes because of its chemical structure and its ability to absorb ultraviolet light. BP is used as a carrier in many dyes, as it is insoluble and stable in a variety of organic solvents.

4. Additive for Cosmetics and Personal Care Products

BP has been used as an active ingredient in various cosmetics and personal care products due to its photostability, solubility, and compatibility with many organic solvents. It is also used as a UV filter in protective creams, facial lotions, sunscreens, and skin-care products. It has a weak olfactory profile, making it more ideal for personal care products.

5. Additive for Paint

Benzophenone can be used as a color and light stabilizer additive in many paints, particularly applications where ultraviolet and/or infrared radiation are present. BP is light and photo stable, allowing it to resist breaking down in harsh environments and after prolonged exposure.

6. Insect Repellent

Benzophenone is an effective insect repellent and can be applied to clothing, nets, and other materials to keep insects away. It has been used to protect crops and livestock from a variety of insects, including mosquitoes, cockroaches, and flies.

7. Fuel Additive

BP can also be used as a fuel additive in diesel and gasoline as it increases the combustion efficiency of fuels. It reduces the amount of hazardous emissions from vehicles and helps to improve engine performance by providing lubricity to fuel.

In conclusion, benzophenone is an all-purpose organic compound that has many uses due to its superior photostability and compatibility with many organic solvents. Whether used as flame retardant additives, fuel additives, or insect repellent, benzophenone is a great choice for many industrial applications.

What are the classification of chemical raw materials?

Chemical raw materials can be used in various industries and applications. Here are some common areas where chemical raw materials find applications:

Chemical raw materials can be classified into various categories based on different criteria. Here are some common classifications of chemical raw materials:

Organic Chemicals vs. Inorganic Chemicals: Chemical raw materials can be classified as organic or inorganic based on their chemical composition. Organic chemicals contain carbon atoms and are often derived from living matter, while inorganic chemicals do not contain carbon atoms and are typically derived from non-living sources.

Basic Chemicals: Basic chemicals, also known as commodity chemicals, are large-volume chemicals produced in bulk quantities. They serve as building blocks for various industries and applications. Examples of basic chemicals include acids, bases, solvents, polymers, and gases.

Specialty Chemicals: Specialty chemicals are higher-value chemicals that are produced in smaller quantities but are tailored for specific applications or industries. They often require specialized knowledge and expertise for their synthesis or production. Specialty chemicals include dyes, pigments, catalysts, surfactants, flavors, fragrances, and performance chemicals.

Fine Chemicals: Fine chemicals, also known as pharmaceutical intermediates, are chemical compounds used in the synthesis or manufacturing of pharmaceutical products, including active pharmaceutical ingredients (APIs) and intermediates. Fine chemicals are characterized by their high purity and precise chemical composition, and they undergo rigorous quality control and regulatory scrutiny.

Petrochemicals: Petrochemicals are chemical compounds derived from petroleum or natural gas. They serve as key raw materials for the production of various products, including plastics, synthetic fibers, detergents, lubricants, and solvents. Petrochemicals include ethylene, propylene, benzene, toluene, xylene, and many others.

Agrochemicals: Agrochemicals are chemicals used in agriculture for crop protection, pest control, and plant nutrition. They include pesticides, herbicides, insecticides, fungicides, fertilizers, and growth regulators. Agrochemicals help increase crop yield, protect plants from pests and diseases, and improve agricultural productivity.

Polymers: Polymers are large molecules composed of repeating units known as monomers. They are widely used in various industries, including plastics, rubber, textiles, packaging, and construction. Examples of polymers include polyethylene, polypropylene, polyvinyl chloride (PVC), polystyrene, and polyethylene terephthalate (PET).

Green Chemicals: Green chemicals, also known as sustainable or eco-friendly chemicals, are produced using processes that minimize environmental impact. They focus on reducing waste, energy consumption, and emissions, and they aim to promote sustainability and the use of renewable resources. Green chemicals include bio-based chemicals, biofuels, and environmentally friendly alternatives to conventional chemicals.

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