Butyltin acid/monobutyltin oxide

Butyltin acid/monobutyltin oxide


Product Name: Butyltinic acid (monobutyltin oxide) 2273-43-0

Alias: Butyltinic acid, monobutyltin oxide, CAS 2273-43-0, monobutyltin oxide, Butyltin oxide

Product code: MBTO

Chinese name Monobutyltin

Monobutyltin oxide

Alias Monobutyltin oxide, butyltinic acid

Chemical formula C4H1OSnO2

Molecular weight 208.8

EINECS No. 257-300-1

Boiling point 350°C

Water solubility Insoluble in water

Density 1.46g/L

Appearance White powder

Basic Information

English name: Monobutyltin oxide

CAS No.: 2273-43-0

Molecular formula: C4H10O2Sn


White powder with special flavor, insoluble in water and most organic solvents, soluble in strong alkali and mineral acid.

Used in the synthesis of saturated polyester for powder coatings, coil (steel) coatings, insulating paints, etc.; used in the synthesis of unsaturated polyester; used in PBT

Synthesis of engineering resins and other esterification and ester exchange reaction products.

Storage and transportation:

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 package 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 product performance. 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:




86-152 2121 6908


86-021-5657 7830


Rm. 1104, No. 258, Songxing West Road,
Baoshan District, Shanghai, China (Mainland)


Our Company

Since its establishment, the company has adhered to the service tenet of “integrity-based, customer first”, adhered to customer demand as the focus, market-oriented, adhered to technological innovation, management innovation and service innovation, and constantly implemented lean production, refined management, to provide customers with better products and services! The company has its own factory, research and development base, set up a strict scientific quality management system, and constantly committed to technological innovation, product innovation and management innovation, so as to ensure that our products have a certain competitiveness in the same industry. The factory is located in Jining City, Shandong Province, China, covering an area of 500 acres, and the current production capacity of various types of amines is 5,000 to 10,000 tons per year.

Our Advantages

Strict Quality Management
Our company strictly implements ISO9002 quality management standards and has established a complete quality management system to ensure the long-term stability of product quality.

Efficient Service
Our production is efficient and reliable, so we deliver on time and within delivery deadlines. At the same time, our team is always happy to help customers and strive to solve customer problems in a short time.

Competitive Price
We have long-term services in wholesale Polyurethane catalyst and have established long-term and stable cooperative relationships with many retailers and agents to provide our customers with reasonably priced products.

OEM Available
Our employee team has high R&D capabilities, superb design and development capabilities, skilled manufacturing technology, and rich product application experience, and can also meet OEM business needs.throughout the entire industry chain.