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Chemical Name: benzil
CAS No.: 134-81-6
Molecular Fomula: C14H10O2
Molecular weight: 210.23
Appearance: White Crystalline Powder
benzil: The Complete Guide
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Description of benzil
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 number | 608047 |
|---|---|
| EINECS number | 205-157-0 |
| RTECS number | DD1925000 |
| PubChem number | 24891811 |
| MDL number | MFCD00003080 |
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) |
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
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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.
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