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"Hangzhou Qianyang Technology Co., Ltd. is a factory wholly-owned by Hangzhou Nature Organic Chemical Industry Co., Ltd. in 2010. The company is located in Yuqian Town Industrial Zone, Lin'an City, 60 kilometers west of Hangzhou. The company has a registered capital of one hundred and thirty-one thousand and one hundred and five hundred and ten thousand yuan, a total investment of 200 million yuan, covering an area of ​​66,000 square meters, and an annual output of 40,000 tons of specialty chemicals.

The main products are more than a dozen organic ester products such as trioctyl phosphate and dimethyl phthalate. Products are exported to 36 countries and regions, and provide products for many of the world’s top 500 companies. The main product market share exceeds 60%. The company has a long history of producing organic ester products for more than 50 years and enjoys a lot of experience in the industry. High visibility.

The company has a strong technical force, has nearly a hundred professional and technical personnel, and has a 2500 square meter research and development center, which can develop various organic ester products for customers. The company has built a new product pilot plant, which can transform the research and development results into productivity at any time.

The company has advanced manufacturing equipment and complete safety and environmental protection facilities. It is a green and environmentally friendly enterprise with a sense of social responsibility, with a complete quality assurance system and strict management system. It has passed ISO9001, ISO14001 and OHSAS18001 system certification, and the main products have completed EU REACH registration.

We strive to build a century-old enterprise with the tenet of ""providing customers with high-quality products and timely and perfect services""."

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Diallyl phthalate (DAP) is insoluble in water, but soluble in most organic solvents. It is used as a crosslinking agent for polyvinyl chloride resin and a plasticizer for fiber resin.

Hangzhou Qianyang Technology Diallyl phthalate (DAP)

Di-n-butyl phthalate (DBP)  is compatible with a variety of cellulose resins, rubber and vinyl resins, and has good film-forming properties, adhesion and water resistance. It is widely used as a solvent for peroxide methyl ethyl ketone and fluorine-containing anticorrosive coatings. It can be used as a plasticizer for resins such as cellulose acetate, as well as a solvent for mosquito repellent and organic synthesis intermediates.

Hangzhou Qianyang Technology Di-n-butyl phthalate (DBP)

Dioctyl phthalate (DOP) is one of the most commonly used plasticizers, with high plasticizing efficiency, low volatility, good light resistance, water resistance, cold resistance, electrical properties, and flexibility. It is widely used in the processing of polyvinyl chloride, vinyl chloride copolymers, cellulose resins, etc., to manufacture wires and cables, artificial leather, films, and plastic films.

Hangzhou Qianyang Technology Dioctyl phthalate (DOP)

Trioctyl trimellitate (TOTM) is a heat-resistant and durable plasticizer for polyvinyl chloride, commonly used in 105°C cable materials and other heat-resistant products. It has the advantages of polyester plasticizer and general plasticizer. In addition to oil-resistant applications, it can be used for any products that require durability.

Hangzhou Qianyang Technology Trioctyl trimellitate (TOTM)

Monobutyl maleate (MBM) is an internal plasticizer and can be combined with vinyl chloride, vinyl acetate, acrylic acid and styrene. Body copolymerization, which not only has internal plasticizing effect but also can enhance the adhesion of polymer. It can also be used as an organic intermediate for the synthesis of anti-ultraviolet agents and other products.

Hangzhou Qianyang Technology Monobutyl maleate (MBM)

Tributyl phosphate (TBP) is soluble in ethanol and other common organic solvents, and slightly soluble in water. The solubility of water in this product is 7% (25°C). But as the temperature rises, it will gradually hydrolyze. It is widely used as a plasticizer for nitrocellulose, cellulose acetate, chlorinated rubber, and polyvinyl chloride; as a solvent, defoamer and antistatic agent for coatings, adhesives, and inks; it can also be used as a rare Metal extractant. However, this product has low boiling point and large volatilization loss, and its application in plasticizers is relatively limited.

Hangzhou Qianyang Technology Tributyl phosphate (TBP)

Tributoxyethyl phosphate (TBEP) is a flame retardant plasticizer for plastics and rubber. It has excellent low temperature flexibility, flame retardancy and durability, can improve processing performance and shorten the kneading period. It can also be used as a plasticizer for nitrocellulose, ethyl cellulose, and acrylic plastics, which can make the products have transparency and good UV resistance.

Hangzhou Qianyang Technology Tributoxyethyl phosphate (TBEP)

Monoethyl maleate (MEM) is a colorless transparent oily liquid, easily soluble in water, ethanol, etc. It is mainly used as polymer compound monomers, pharmaceutical intermediates, etc.

Hangzhou Qianyang Technology Monoethyl maleate (MEM)

Diethyl phthalate (DEP) has good compatibility with most resins such as vinyl resin and cellulose. Often used as a cellulose resin plasticizer, with good low temperature flexibility and durability. Combined use with DMP can improve the water resistance and elasticity of the product. It can also be used as a fragrance diluent, lubricant, gas chromatography stationary liquid, etc.

Hangzhou Qianyang Technology Diethyl phthalate (DEP)

Hangzhou Qianyang Technology

"Hangzhou Qianyang Technology Co., Ltd. is a factory wholly-owned by Hangzhou Nature Organic Chemical Industry Co., Ltd. in 2010. The company is located in Yuqian Town Industrial Zone, Lin'an City, 60

Qianyang Technology - Organic Esters - Trioctyl Phosphate

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Dimethyl Fumarate (DMF) is soluble in ethyl acetate, chloroform, alcohols, and slightly soluble in water. It is mostly used as an antifungal agent for food and feed.

Hangzhou Qianyang Technology Dimethyl Fumarate (DMF)

Qianyang Technology - Dimethyl Fumarate (DMF) - 624-49-7 - Knowde

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	Value	Units	Test Method / Conditions
Molecular Weight	144.12	—	—
Boiling Point	193.0	°C	—
Density (20°C)	1.37	g/cm3	—
Ester Content	min. 99	%	—
Melting Point	102 - 104	°C	—
Non-Volatile Matter	max. 0.1	%	—
Free Acid (0.1N NaOH/g)	max. 0.15	mL	—
Heavy Metal Content (Calculated as Pb)	max. 0.002	%	—

Hangzhou Qianyang Technology Dimethyl Fumarate (DMF)

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