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Acetophenone is flammable.
Appearance and properties: colorless or light yellow, low melting point, low volatility, fruity flavor oily liquid.
Melting point ( ) relative density (water = 1):
Boiling point ( ) relative vapor density (air = 1):
Molecular formula: C8H8O
Molecular weight: saturation vapor pressure (kpa):
Flash point ( ) 82
Ignition temperature ( ) 571
Refractive index: solubility: insoluble in water, soluble in most organic solvents, insoluble in glycerol.
Pure products are colorless crystals. Most of the commercially available products are light yellow oily liquids. There is a scent like hawthorn.
Molecular structure data:
1. Molar refractive index:
2. Molar volume (m3 mol):
3. Isotonic specific volume (:
4. Surface tension (dyne cm):
5. Dielectric constant:
6. Dipole distance (10-30c·m, 25 c):
7. Polarizability:
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acetophenone, or acetyl benzene, is an organic compound with the molecular formula C6H5Coch3, which can be used as an intermediate in the manufacture of drugs, resins, flavorings and tear gas, and can also be used to make sleeping pills. At present, acetophenone is mostly obtained as a by-product of cumene oxidation to phenol and acetone, and it can also be prepared by acetyl chloroacetylation of benzene.
Chinese name. Acetophenone.
Foreign name. Phenyl methyl ketone regulated type. Not regulated.
Relative molecular weight.
Molecular formula. c8h8o
Storage. Keep tightly sealed.
Category of chemical.
Organic matter - ketones.
Aliases. Acetyl benzene.
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Acetone. Non-flammable.
Acetone is also known as dimethyl ketone.
It is an organic substance with the molecular formula C3H6O and is the simplest saturated ketone. It is a colorless transparent liquid with a slightly fragrant smell. It is easily soluble in water and methanol.
Organic solvents such as ethanol, ether, chloroform, pyridine, etc. It is flammable, volatile, and chemically active.
In the industry, silver punch is mainly used as a solvent, used in explosives, plastics, rubber, fibers, air leather, grease, painting and other industries, and can also be used as an important raw material for the synthesis of enkenone, acetic anhydride, iodoform, polyisoprene rubber, methyl methacrylate, chloroform, epoxy resin and other substances, and is often used by criminals as a raw material for drugs bromophenylacetone.
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Acetone is flammable and explosive. Acetone, also known as dimethyl ketone, is an organic substance with the molecular formula C3H6O, which is the simplest saturated ketone. It is a colorless transparent liquid with a slightly fragrant odor.
Soluble in water and methanol, ethanol, ether, chloroform, pyridine and other organic solvents. It is flammable, volatile, and chemically active.
Acetone is mainly used as a solvent in industry, used in explosives, plastics, rubber, fibers, tanning, grease, painting and other industries, and can also be used as an important raw material for synthetic enkenone, acetic anhydride, iodoform, polyisoprene rubber, methyl methacrylate, chloroform, epoxy resin and other substances. Acetone is a representative compound of aliphatic ketones, and only acetone has the typical reaction of ketones. In the presence of acid or base, it condenses with aldehydes or ketones to form ketone alcohols, unsaturated ketones and resinous substances.
With phenol under acidic conditions, condensation into bisphenol A.
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Toluene is flammable. Toluene, an organic compound with the chemical formula C7H8, is a colorless volatile liquid with a special aromatic odor. It has strong refractive properties.
It is miscible with ethanol, ether, acetone, chloroform, carbon disulfide and glacial acetic acid, and very slightly soluble in water. Flammable, vapor can form a ** mixture with air, and the volume concentration of the mixture can occur in a low range.
Toluene is chemically active, and it is similar to benzene. Oxidation, sulfonation, nitration and disproportionation reactions, as well as side-chain chlorination, can be performed. Toluene can be oxidized to benzoic acid.
Toluene orange is mainly produced by the petrochemical process. As a solvent it is used in oils, resins, natural rubber and synthetic rubber, coal tar, asphalt, cellulose acetate, as well as a solvent in cellulose paints and varnishes, and as a solvent for photographic plate making and ink.
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Benzene is more flammable.
Benzene is a hydrocarbon organic compound, the simplest form of aromatics.
The molecular formula is C6H6, which is a sweet, flammable, carcinogenic and toxic colorless transparent liquid at room temperature, with a strong aromatic odor of megaridges. It is insoluble in water, soluble in organic solvents, and can also be used as an organic solvent in itself.
The ring system that benzene has is called benzene ring.
The benzene ring removes one hydrogen atom.
The later structure is called phenyl group, which is denoted by pH, so the chemical formula of benzene can also be written as phh. Benzene is a basic raw material for petrochemical industry, and its output and technical level of production are one of the indicators of the development level of a country's petrochemical industry.
27 October 2017, World Health Organization.
Carcinogens published by the International Agency for Research on Cancer.
The list is preliminarily sorted out for reference, and benzene is in the list of carcinogens.
Benzene is a colorless, sweet-smelling transparent liquid at room temperature, which is less dense than water and has a strong aromatic odor. The boiling point of benzene is, and the melting point is. Benzene is less dense than water, with a density of , but its molecular weight is heavier than water.
Benzene is insoluble in water, and the maximum amount of benzene dissolved in 1 liter of water is dissolved; But benzene is a good organic solvent with a strong ability to dissolve organic molecules and some non-polar inorganic molecules, except glycerol and ethylene glycol.
and other polyols can be mixed with most organic solvents and soluble, except for iodine and sulfur slightly soluble, inorganic.
Insoluble in benzene.
The above content reference: Encyclopedia - Benzene.
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Benzene is a flammable liquid hazardous chemical, benzene is a hydrocarbon organic compound, that is, the simplest aromatic hydrocarbon, the molecular formula is Ch, at room temperature is a sweet, flammable, carcinogenic and toxic colorless transparent liquid, and with a strong aromatic odor. It is insoluble in fiber water, soluble in organic solvents, and can also be used as an organic solvent itself. The ring system of benzene is called benzene ring, and the structure of benzene ring after removing a hydrogen atom is called phenyl group, which is expressed by pH.
There are roughly three kinds of chemical reactions in which benzene participates: one is the substitution reaction that occurs between other groups and the hydrogenochronons on the benzene ring; One is the addition reaction that occurs on the benzene ring (note: the benzene ring does not have a carbon-carbon double bond, but a unique bond between a single and a double bond); One is general combustion (oxidation reaction) (which does not fade acidic potassium permanganate).
Benzene can form a constant boiling substance with water, and the boiling point is , containing benzene. Therefore, benzene is often distilled in reactions where water is formed to bring the water out.
Molar mass:.
Minimum ignition energy:.
**Upper Limit (Volume Fraction): .
**Lower limit of erection (volume fraction): .
heat of combustion :, gas)).
Solubility: insoluble in water, soluble in most organic solvents such as ethanol, ether and acetone.
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Benzene is a flammable liquid hazardous chemical.
It is a product of coal tar distillation or petroleum cracking, benzene is a colorless liquid with a special aromatic flavor at room temperature, which is highly volatile and insoluble in water. Benzene has a wide range of uses and is an important raw material for pesticides, paints, dyes, and rubber industries; It is also the main solvent, additive and erecting agent in the painting, pharmaceutical, footwear and furniture manufacturing industries, as well as a thinner and cleaning agent in electronics, machinery, printing and other industries.
Benzene (C6H6) is a colorless, sweet-smelling transparent liquid at room temperature with a strong aromatic odor. Benzene is flammable, toxic, and a carcinogen. Benzene is a hydrocarbon and the simplest aromatic hydrocarbon.
It is insoluble in water, soluble in organic solvents, and can also be used as an organic solvent in itself. Benzene is a basic raw material for petrochemical industry. The production and technical level of benzene production is one of the indicators of the development level of a country's petrochemical industry.
The ring system that benzene has is called benzene ring, which is the simplest aromatic ring. The structure of the benzene molecule after removing a hydrogen is called a phenyl group.
There are roughly three kinds of chemical reactions in which benzene participates: one is the substitution reaction that occurs between other groups and the hydrogen atoms on the benzene ring; One is the addition reaction that occurs on the c=c double bond macro; One is the breakage of the benzene ring.
Main articles: Substitution reactions, electrophilic aromatic substitution reactions. The hydrogen atoms on the benzene ring can be replaced by halogens, nitro groups, sulfonic acid groups, hydrocarbon groups, etc. under certain conditions to form corresponding derivatives.
The above content reference: Encyclopedia - Benzene.