benzil cas 134-81-6

Assay: ≥99.5%
Appearance: white or yellowish crystal
Package: Carton or drum
Capality: 1000MT/year
Sample: Available
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Description Benzil Benzil Quick Details Chemical Name: Benzil Other Name: Diphenylethanedione; Diphenyl diketone CAS No.: 134-81-6 Molecular Formula: C14H10O2 Molecular Weight: 210.23 Benzil Density: 1,521 g/cm3 Molecular Structure: Appearance: white or yellowish crystal Benzil Typical Properties Appearance white or yellowish crystal Purity(GC) ≥99.5% Melting point 94.0-97.0℃ Boiling point 346-348℃ Losson dry ≤0.5% Residual on ignition ≤0.10% What Is Benzil? Yellow crystal, melting point 95℃, optical rotation, relative density 1.23, boiling point 346-348℃, soluble in organic solvents such as ethanoland ether, insoluble in water. Benzil Usage 1. Used in photosensitizers, organic synthesis intermediates and adhesives 2. Used for insecticides 3. Usedfor pharmaceutical intermediates, pharmaceutical raw materials and UV-curable resins Benzil Packaging and Shipping Packing: Carton or drum Delivery:with in 5-7 working days Benzil Storage Stored in a cool dry place(2-8° C)out of direct sunlight
benzil, Promotion Season Now in Store and Free Sample for Testing with Factory Price

Chemical Name: benzil
CAS No.: 134-81-6
Molecular Fomula: C14H10O2
Molecular weight: 210.23
Appearance: White Crystalline Powder

Description of benzil

Benzil (systematically known as 1,2-diphenylethane-1,2-dione) is the organic compound with the formula (C6H5CO)2, generally abbreviated (PhPhCO)2. This yellow solid is one of the most common diketones. Its main use is as a photoinitiator in polymer chemistry.
 

Basic Info of benzil

Basic Info

Chemical Name

benzil

Synonyms

Benzil;Ethanedione, diphenyl-;Dibenzoyl Zone Refined;CHC-12;Diphenylglyoxal Zone Refined; Expand

CAS No.

134-81-6

Molecular Formula

C14H10O2

Molecular Weight

210.22800

PSA

34.14000

LogP

2.75220
Safety Info

RTECS

DD1925000

Safety Statements

S26-S36-S37/39

HS Code

29143900

WGK Germany

2

Risk Statements

R36/37/38

Hazard Codes

Xi
Numbering system
BRN number608047
EINECS number205-157-0
RTECS numberDD1925000
PubChem number24891811
MDL numberMFCD00003080
Properties

Appearance & Physical State

yellow crystals

Density

1,521 g/cm3

Boiling Point

346-348ºC

Melting Point

94-97ºC

Flash Point

142.6ºC

Refractive Index

1.594

Water Solubility

0.5 g/L (20 ºC)

Stability

Stable. Combustible. Incompatible with strong oxidizing agents.

Storage Condition

Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Vapor Pressure

1 mm Hg ( 128.4 °C)
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What is benzil?

With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is benzil which has developed particularly rapidly in recent years. Do you know about benzil?

The official answer: benzil(i.e. Bz2, systematically referred to as 1,2-diphenylethane-1,2-dione) is an organic compound with the formula (C6H5CO)2, commonly abbreviated as (PhCO)2. This yellow solid is one of the most common diketones. Its main use is as a photoinitiator in polymer chemistry.

What’s the application of benzil?

Most benzil is used for free-radical curing of polymer networks. UV radiation decomposes benzyl azide, creating free radical substances within the material that promote the formation of cross-links. Benzil is an effective inhibitor of human carboxylesterases, enzymes involved in carboxylate hydrolysis, and many clinically used drugs. 

Application

benzil is a relatively poor photoinitiator and is rarely used. It absorbs at 260 nm wavelength. It undergoes photobleaching, which allows curing light to reach deeper layers of the material during long exposures.

Conclusion

Sincere to the customer and in good faith of quality is our forever followed motto. It’s the basement to be a human and do business. We take all responsibility for our products and service sincerely. We are a company integrating R&D, production, and sales. The design, research, and development of pharmaceutical intermediates include more than 330 kinds of pharmaceutical intermediates such as Anti-infectives, Cardiovascular and Cerebrovascular Systems, Digestive systems, Santi-tumor, Nervous systems, Geriatric Drugs, and Gynecological Drugs. At the same time, we have more than 4,000 factories in strategic cooperation with nearly 50,000 chemical products, so we can provide you with a one-stop purchasing service, which greatly saves customers’ procurement costs and time.

Hello, I’m Pew Ni, the chemical products one-stop solution expert.

Hi, I‘m Peter Ni, the founder of Sincere-Chem, I’ve been running a company in China that exporting chemicals, pharmaceuticals, and intermediates for over 70 countries now. And a range of 50,000 products with the best quality and competitive price to meet your different purchasing needs.

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Similar Chemicals

benzilic

benzilic acid is produced by heating a mixture of benzyl alcohol, ethanol, and potassium hydroxide.

Another preparation method carried out by Liebig in 1838 was the dimerization of benzaldehyde to benzaldehyde, which was then converted to the product by a benzoic acid rearrangement reaction.

benzilico

benzilico is an aromatic alcohol with a chemical formula of C6H5CH2OH. Phenyl is often abbreviated as “Bn” (not to be confused with “Bz” for benzoyl), so benzyl alcohol is expressed as BnOH. Benzyl alcohol is a colorless liquid with a mild and pleasant aroma. Because of its polarity, low toxicity and low vapor pressure, it is a useful solvent. The solubility of benzyl alcohol in water is moderate (4 g/100 ml), and it is miscible with alcohols and diethyl ether. The anion produced by the deprotonation of the alcohol group is called benzyl or benzyl oxide.

diphenylethanedione

diphenylethanedione, also known as 1,2-diphenylethane-1,2-dione, is an organic compound with the molecular formula (C6H5CO)2. This compound belongs to the group of organic compounds known as astragals, which contain a 1,2-diphenylethylidene fraction. The benzyl group is yellow in color and is one of the most common diketones.

benzoatul de benzil
A short introduction

The best solution for the treatment of scabies in adults and children.

Indications

Treatment of scabies without repeated infections or eczema forms.

Benefits

Easy to administer to children over 2 years of age and to pregnant or breastfeeding women.
The main advantage of the product is that, unlike other types of acaricides, the treatment lasts only 2 days and only needs to be administered once a day.

Works

1 gram of cream contains 250 mg of benzyl benzoate.
Other ingredients: propylene glycol, cetyl stearyl alcohol, liquid paraffin, polysorbate 80, methyl paraben (E218), propyl paraben (E216), purified water, 96% ethanol.

Dosage and administration

– Adults: 1 dose/day for 2 days. After 24 hours of administration, remove the cream by washing with water and soap.
– Children over 2 years of age and pregnant or nursing women: 1 single dose. Remove cream by washing 12 hours after administration.
It is important that the cream be administered to all patients in the community.

Recommendations

Read instructions before use.
Keep out of the reach of children.
Store below 25°C in the original packaging.
Do not use after the expiration date printed on the package.

Prescription

Prescription medication.

Promotion

Carton containing 1 aluminum tube and 35 g of cream. Cardboard box containing 1 aluminum tube and 50 grams of cream.

benzil sigma aldrich

benzil sigma aldrich is a chemical substance.

propionat de benzil

propionat de benzil is a chemical substance.

Alias

pro benzil,n benzil,benzil sigma,benzil price,benzil chemical,benzilasetat,benzilmetanol

Keywords of benzil

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United Kingdom Giles
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Peter has been my partner for many years, we met at the Shanghai CPHI Fair in 2014, for the first time I didn't have much interest in Peter's products because our company had a stable supplier. Although we didn't work together, Peter would often send me important news and interesting trend information about the industry, so we became good friends, even though I didn't place any orders with him during this time, even if it was a sample order. In September 2016, our original supplier was unable to provide us with the quality and delivery guarantees we needed, so I first thought of Peter and his company. Until now, we have maintained a very good personal friendship in addition to a steady business relationship.
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In all my years of sourcing from China, I first time to found that working with Sincere Chemical was so good, they helped me with all the production and delivery as well as a lot of technical expertise, which saved me a lot of time. When I first approached Peter for a quotation for Optical Brightener, he made me a detailed quotation with not only prices but also foreign trade details, company profile, company strengths, R&D capabilities, production capacity, packaging methods, raw material control, environmental protection, and much more. This information was a very important reference for me in making purchasing decisions. Sincere Chemical is a trustworthy supplier and I believe our business will grow from strength to strength!
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USA Franklin
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I just got the product. The quality is awesome. I’m very happy. Hope to place soon a new order in your company. Also wish for our future business.
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Sincere Chemical is a reliable and professional company. Not only on exporting but also their professional team service. Their team gave us so many suggestions for our new project. We are really satisfied with their awesome service and best product quality. Sincere-Chem’s vendor code is 51465768 in our cooperated vendor list system.
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I have visited Sincere Chemical company in the year 2018. Their company can be considered as one of the most professional, customer-focused, and product quality-driven companies that I have worked with in recent years.
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We are a pharmaceutical products manufacturer in Brazil. I’m happy to cooperate with Sincere Chemical especially cooperate with Peter. Peter is patient and friendly. I’m satisfied with his 24*7 hours service. We are not only cooperators but also best friends with each other.
Mexico Gonzalo
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Great service and very supportive. This is my first order and I feel fortunate to be with Peter and his company. Product received was the right good quality product, so my review is more related with the quality, service and shipment. Thank you for sending. next time I will order again. Good supplier...
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