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"Chongqing Changfeng Chemical Co.,Ltd. is a leading manufacturer of high performance chemicals that use phosgene and aromatic amines as main intermediates. A major phosgene derivative production base, we share the largest capacity for phosgene production in China and offer a variety of products.

We are proud to be one of the world's largest manufacturers of Benzophenone, production of which uses the highly efficient phosgene-based process, with a current annual capacity of 5000 metric tons and expansion efforts underway. Other top-selling products include Ethyl Centralite, Methyl Centralite, Diphenyl Carbonate, Tetramethylurea, Tetrabutylurea, and others."

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Chongqing Changfeng Chemical Diethyl Carbonate Grade one is chemical solvent of cellulose nitrate, cellulose ether, synthetic, natural resins,organic synthesis and also be used for agrochemical such as phenobarbital, as well as medium of luminal and cinerins in pestcide production, in apparartus and instrucment industrial it may be made fixed paint for seal fixing of cathode of radio tube. And it also can be widely used as the solvent of battery.

Chongqing Changfeng Chemical Diethyl carbonate Grade one

Chongqing Changfeng Chemical Aniline is a colorless oily liquid with distinct odor. Easily soluble in many organic solvents, slightly soluble in water and poisonous.

Chongqing Changfeng Chemical Aniline

Chongqing Changfeng Chemical N,N'-Dimethyldiphenylurea (Methyl Centralite) is used as the manufacture of ammunition and propellant powders.

Chongqing Changfeng Chemical N,N'-Dimethyldiphenylurea (Methyl Centralite)

Chongqing Changfeng Chemical Benzophenone Ink Grade is used as a photo initiator, and in UV-curing applications such as inks, imaging products, clear coatings and printed circuit boards. It is also used as a pharmaceutical intermediate, in the preparation of antihistamines and hypnotics and as a chemical intermediate, in the manufacture of pesticides. In perfume, for the flavor and fragrance markets.

Chongqing Changfeng Chemical Benzophenone Ink Grade

Chongqing Changfeng Chemical N,N'-diethyldiphenylurea(Ethyl centralite) is used as a stabilizer in propellants and explosives.

Chongqing Changfeng Chemical N,N'-diethyldiphenylurea(Ethyl centralite)

Chongqing Changfeng Chemical AKARDITE II is mainly used as a burn controller for multi-basic solvent free gunpowders.

Chongqing Changfeng Chemical AKARDITE II

Chongqing Changfeng Chemical Diphenyl carbonate is mainly used as a plasticizer, a solvent, and the main material in the synthesis of polycarbonate resin, polyurethane-urea, and polyphenyl ester.

Chongqing Changfeng Chemical Diphenyl carbonate

Chongqing Changfeng Chemical Tetrabutylurea is an intermediate used as a reaction solvent in production of hydrogen peroxide.

Chongqing Changfeng Chemical Tetrabutylurea

Chongqing Changfeng Chemical Octanoyl Chloride is used as liquid crystal intermediate or rubber industry.

Chongqing Changfeng Chemical Octanoyl Chloride

Chongqing Changfeng Chemical

"Chongqing Changfeng Chemical Co.,Ltd. is a leading manufacturer of high performance chemicals that use phosgene and aromatic amines as main intermediates. A major phosgene derivative production base,

Changfeng Chemical - Phosgene - Aromatic Amines - Benzophenone

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Changfeng Chemical - N,N'-Dimethyldiphenylurea (Methyl Centralite) - Knowde

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	Value	Units	Test Method / Conditions
Acids (as acetic acid)	max. 0.006	%	-
Alcohol insoluble-substance	max. 0.09	%	-
Amines (as methylaniline)	max. 0.20	%	-
Ash content	max. 0.08	%	-
Solidification Point	120.5 - 122.0	°C	-
Volatile Matter	max. 0.20	%	-

Chongqing Changfeng Chemical N,N'-Dimethyldiphenylurea (Methyl Centralite)

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