Dibutyltin monooctyl maleate/CAS 25168-21-2

Dibutyltin monooctyl maleate/CAS 25168-21-2


Name: Dibutyltin monooctyl maleate CAS 25168-21-2

Synonyms: Bis(isooctylmaleate)dibutyltin dibutyltin dibutyltin bis(isooctylmaleate)dibutyltin dibutyltin dibutyltin bis(isooctylmaleate)

English Synonyms: 2-Butenedioicacid (2Z)-, 1,1′-(dibutylstannylene) 4,4′-diisooctyl ester4-O-[dibutyl-[(Z)-4-(6-methylheptoxy)-4-oxobut-2-enoyl] oxystannyl] 1-O-(6-methylheptyl) (Z)-but-2-enedioateDI-n-BUTYLBIS(2-ETHYLHEXYLMALEATE)TIN,

Product code: BT-58C

English name:Di-n-butyltin Di(Monooctyl Maleate)

CAS No.:25168-21-2

Molecular Formula:C32H56O8Sn

Physical and Chemical Properties

Precise molecular weight : 688.30000

Isotopic mass : 688.3

Number of isotopic atoms : 0

Number of hydrogen bond donors : 0

Number of hydrogen bond acceptors : 8

Number of heavy atoms : 41

Number of rotatable bonds : 28

Complexity : 738

Experimental properties:

Density : 1,145 g/cm3

Melting point : -25°C

Boiling point : 618.1°C at 760 mmHg

Flash Point : 123°C

PSA : 105.20000

LogP : 7.74680

Safety Information:

Hazard Category Code: 20/21/22-36/37/38

Safety Description: S26; S36/37/39

Risk terminology : R20/21/22

TSCA : Yes


Yellow oily liquid

This product is a heat stabilizer for polyvinyl chloride products with excellent long-term stability and weather resistance. It can improve the initial coloring, promote gelation

Storage and transportation:

It should be sealed and stored in dry, cool and ventilated warehouse


200KG/drum Storage: it is recommended to store in dry and cool area with proper ventilation. Please fasten the packaging cover as soon as possible after the original packaging to prevent the mixing of other substances such as moisture and other substances that may affect the performance of the product. Store in a cool and dry place, keep the container sealed and avoid contact with oxides. Do not inhale dust and avoid contact with skin and mucous membranes. Smoking, eating and drinking are prohibited in the workplace. After work, shower and change clothes. Store contaminated clothing separately and wash before use. Maintain good hygiene practices.

Company Name:

Newtop Chemical Materials (Shanghai) Co., Ltd.

Sales Manager:





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Baoshan District, Shanghai, China (Mainland)



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