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Dioctyltin oxide MSDS data sheet

7月 12th, 2024 News

The MSDS (Material Safety Data Sheet) of Di-n-octyltin oxide (DOTO) is An important document that provides users with information on the health, safety, fire protection, transportation and emergency response of chemicals. Below, we will outline the key MSDS information of dioctyltin oxide based on the structure of the general MSDS. It should be noted that the actual MSDS may vary depending on suppliers and regions.

Part One: Chemicals and Corporate Identification

Chinese name of chemical: dioctyltin oxide
English name of chemical: Di-n-octyltin oxide
CAS No.?870-08-6
EINECS No.?212-791-1
Molecular formula: C16H34OSn
Molecular weight: about 361.15 g/mol

Part 2: Risk Overview

Dioctyltin oxide is a toxic chemical that may cause harm to the human body if swallowed, inhaled or in contact with the skin. Direct contact with eyes, skin and clothing should be avoided, and inhalation of vapor or dust should be avoided.

Part 3: Composition/Information Components

Main ingredient: dioctyltin oxide
Impurities: May contain trace amounts of unspecified impurities
Concentration: Purity can reach 99%

Part 4: First Aid Measures

Inhalation: Move quickly to fresh air and keep breathing smoothly. If you feel unwell, seek medical attention immediately.
Skin contact: Take off contaminated clothing immediately and rinse skin with plenty of water for at least 15 minutes. If irritation persists, seek medical attention.
Eye contact: Open your eyelids immediately, rinse with running water for at least 15 minutes, and then seek medical advice.
Swallowing: Do not induce vomiting. Rinse mouth with water immediately. Do not drink large amounts of water. Get medical attention immediately.

Part 5: Firefighting Measures

Fire-fighting methods and fire-extinguishing media: Use dry powder, carbon dioxide or foam fire extinguishers.
Fire Fighting Precautions: Wear appropriate personal protective equipment and avoid breathing fumes from combustion.

Part Six: Emergency Response to Spills

Emergency Action: Wear appropriate personal protective equipment and avoid direct contact with spilled material. Use appropriate tools to collect leakage, place in a sealed container, and dispose in accordance with local regulations.

Part 7: Handling and Storage

Operating Precautions: Operate in a well-ventilated area and avoid inhaling steam or dust. Use appropriate gloves, glasses and work clothes.
Storage Precautions: Store in a cool, dry, well-ventilated place, away from sources of fire and incompatible substances. Keep sealed.

Part 8: Exposure Controls/Personal Protection

Engineering controls: Use local exhaust or general ventilation.
Respiratory protection: Wear a dust mask when necessary.
Eye Protection: Use chemical safety glasses or a face shield.
Body protection: Wear protective clothing.
Hand protection: Wear suitable chemical-resistant gloves.

Part 9: Physical and chemical properties

Appearance and properties: white to yellow powder
pH: Not applicable
Boiling Point: Not applicable
Melting point: about 45-48°C
Solubility: Insoluble in water, soluble in some organic solvents

Part 10: Stability and Reactivity

Stability: Stable under normal conditions of storage and use.
Conditions to avoid: Strong oxidizing agents, acids, water.
Hazardous Decomposition Products: May produce toxic gases including tin oxide and carbon monoxide when burned.

Part 11: Toxicological Information

Acute toxicity: LD50 (oral in mice) may exceed 2000 mg/kg
Irritation: Mild to moderate irritation to eyes, skin and respiratory tract
Sensitization: None reported
Mutagenicity: None reported
Carcinogenicity: Not classified by IARC
Reproductive toxicity: None reported

Part 12: Ecological Information

Ecotoxicity: Toxic to aquatic life
Biodegradability: Not easily biodegradable
Non-biodegradability: Photolysis and chemical degradation may be limited

Part 13: Disposal

Dispose in accordance with local environmental regulations to avoid environmental pollution.

Part 14: Shipping Information

United Nations Number?UN No.
Packaging category: III
Dangerous Goods Number: Not applicable
Packaging Mark: Toxic

Part 15: Regulatory Information

Comply with all applicable national and international regulations.

Part 16: Other information

References: Relevant regulations, standards and research literature
Revision Date: The most recent revisionDate
Manufacturer/Supplier Information: Company name, address, phone number, and email

Please note that the above information is a general description, and the specific MSDS should contain detailed chemical safety information and new regulatory requirements. Always refer to the new MSDS document and follow all safety guidelines when handling dioctyltin oxide.

Extended reading:

CAS:2212-32-0 – Manufacturer of N,N-Dicyclohexylmethylamine and N,N-Dimethylcyclohexylamine – Shanghai Ohans Co., LTD

N,N-Dicyclohexylmethylamine – Manufacturer of N,N-Dicyclohexylmethylamine and N,N-Dimethylcyclohexylamine – Shanghai Ohans Co ., LTD

bismuth neodecanoate/CAS 251-964-6 – Amine Catalysts (newtopchem.com)

stannous neodecanoate catalysts – Amine Catalysts (newtopchem.com)

polyurethane tertiary amine catalyst/Dabco 2039 catalyst – Amine Catalysts (newtopchem.com)

DMCHA – morpholine

N-Methylmorpholine – morpholine

Polycat 41 catalyst CAS10294-43-5 Evonik Germany – BDMAEE

Polycat DBU catalyst CAS6674-22-2 Evonik Germany – BDMAEE

Dioctyltin oxide catalyst application

7月 12th, 2024 News

Dioctyltin oxide (chemical formula: C16H34OSn), usually abbreviated as DOTO, is an important organotin compound used as a chemical compound in the chemical industry. Efficient catalysts are widely used. It is known for its good catalytic activity, selectivity and stability, and plays a key role in polymer chemistry, esterification reactions and transesterification reactions.

Applications in polymer chemistry

In the field of polymer chemistry, dioctyltin oxide is particularly suitable for catalyzing the synthesis of polyesters. For example, in the synthesis process of polybutylene terephthalate (PBT), dioctyltin oxide can effectively accelerate the esterification reaction and improve the yield and quality of the polymer. Additionally, due to its lower toxicity compared to other organotin catalysts such as dibutyltin oxide, dioctyltin oxide becomes a more environmentally friendly choice, especially in applications where catalyst residues are strictly limited.

Production of PVC heat stabilizer

Dioctyltin oxide also plays an important role in the production of PVC (polyvinyl chloride) heat stabilizers. PVC easily decomposes at high temperatures, and adding heat stabilizers can prevent this decomposition and maintain the performance of PVC. As a catalyst, dioctyltin oxide can promote the effective synthesis of heat stabilizers, thus improving the quality and service life of PVC products.

Paint and coating industry

In the paint and coatings industry, dioctyltin oxide is used to enhance the properties of coatings. It can participate in the curing process of the coating as a catalyst, speed up the drying speed of the coating, and improve the hardness and weather resistance of the coating. This makes dioctyltin oxide one of the important additives for the production of high-performance paints and coatings.

ester exchange reaction

The transesterification reaction is crucial in the production of biodiesel, and dioctyltin oxide, as an efficient catalyst, can significantly increase the reaction rate and yield. In the transesterification reaction, vegetable oil or animal fat reacts with alcohol to generate biodiesel. The presence of dioctyltin oxide can effectively lower the reaction temperature, reduce the formation of by-products, and improve the purity of biodiesel.

Antioxidant production

In the production of antioxidants, dioctyltin oxide can also be used as a catalyst. Antioxidants are used to protect various materials from oxidative degradation and are widely used in plastics, rubber, lubricants and other fields. By using dioctyltin oxide as a catalyst, the synthesis efficiency of antioxidants can be improved and product quality can be ensured.

Conclusion

In summary, dioctyltin oxide has demonstrated outstanding performance in many fields of the chemical industry with its unique chemical properties and catalytic properties. Excellent application value. Whether facilitating polymer synthesis or increasing the efficiency of production of paints, coatings, biodiesel and antioxidants, dioctyltin oxide has proven itself to be an indispensable catalytic tool. With the advancement of science and technology and the improvement of environmental awareness, we are expected to see more innovative application scenarios in the future, allowing dioctyltin oxide to play a greater role in green chemistry and sustainable development.

Extended reading:

CAS:2212-32-0 – Manufacturer of N,N-Dicyclohexylmethylamine and N,N-Dimethylcyclohexylamine – Shanghai Ohans Co., LTD

N,N-Dicyclohexylmethylamine – Manufacturer of N,N-Dicyclohexylmethylamine and N,N-Dimethylcyclohexylamine – Shanghai Ohans Co ., LTD

bismuth neodecanoate/CAS 251-964-6 – Amine Catalysts (newtopchem.com)

stannous neodecanoate catalysts – Amine Catalysts (newtopchem.com)

polyurethane tertiary amine catalyst/Dabco 2039 catalyst – Amine Catalysts (newtopchem.com)

DMCHA – morpholine

N-Methylmorpholine – morpholine

Polycat 41 catalyst CAS10294-43-5 Evonik Germany – BDMAEE

Polycat DBU catalyst CAS6674-22-2 Evonik Germany – BDMAEE

The role of dioctyltin oxide in organic synthesis

7月 12th, 2024 News

Di-n-octyltin oxide (DOTO), chemical formula C16H34OSn, is an organotin compound used in organic synthesis He plays a variety of roles, especially in the field of catalysis, showing his unique advantages. As a class of metal-organic catalysts, dioctyltin oxide is favored for its high catalytic activity, good selectivity, and relatively low toxicity. The application and mechanism of dioctyltin oxide in organic synthesis will be discussed in detail below.

Catalysis

Esterification reaction

In organic synthesis, esterification reaction is one of the basic ways to construct ester compounds and is widely used in pharmaceutical synthesis, polymer manufacturing, perfume production and other fields. As a catalyst, dioctyltin oxide can significantly accelerate the esterification reaction between carboxylic acids and alcohols, improving yield and selectivity. Compared with traditional sulfuric acid or solid acid catalysts, dioctyltin oxide not only reduces the occurrence of side reactions, but also reduces the complexity of post-treatment, making it has obvious economic and environmental benefits in industrial production.

Polymerization reaction

For the synthesis of polyesters, especially the production of polyterephthalates (such as polyethylene terephthalate PET and polybutylene terephthalate PBT), dioctyltin oxide Demonstrate efficient catalytic ability. In these polymerization reactions, it can effectively promote the esterification and polycondensation steps, shorten the reaction time and increase the molecular weight of the polymer, thereby improving the physical and chemical properties of the product.

ester exchange reaction

In the production process of biodiesel, transesterification is a key step in converting vegetable oils or animal fats into fatty acid methyl esters. As a catalyst, dioctyltin oxide can reduce the reaction activation energy, improve conversion rate and selectivity, and at the same time reduce the impact on the environment, which is in line with the principles of green chemistry.

Reaction mechanism

During the catalytic process of dioctyltin oxide, the tin atom in the active center can form a coordination complex with the reactant, changing the electron cloud distribution of the reactant, thereby reducing the activation energy of the reaction and promoting the reaction. In esterification and transesterification reactions, dioctyltin oxide may form a transition state through interaction with alcoholic hydroxyl groups or carboxylic acid functional groups, accelerating the formation or breakage of ester bonds. In polymerization reactions, it may control the growth direction and length of the polymer chain through interaction with monomers or growing chain ends.

Environmental and health considerations

Although the application of dioctyltin oxide in organic synthesis provides many advantages, its potential ecotoxicity and human health risks cannot be ignored. As a class of organotin compounds, it may have adverse effects on aquatic ecosystems and is somewhat toxic to humans at high doses. Therefore, when using dioctyltin oxide as a catalyst, appropriate protective measures need to be taken to ensure its safe and environmentally friendly use.

Conclusion

The role of dioctyltin oxide in organic synthesis reflects its potential as an efficient catalyst, especially in esterification, polymerization and transesterification Waiting for key reactions. However, with the popularization of the concept of green chemistry, developing safer and more environmentally friendly catalyst systems and optimizing the use conditions of existing catalysts to reduce potential impacts on the environment and health are still important challenges faced by chemists. The research and application of dioctyltin oxide will continue to drive progress in the field of organic synthesis, while also prompting scientists to explore more sustainable chemical solutions.

Extended reading:

CAS:2212-32-0 – Manufacturer of N,N-Dicyclohexylmethylamine and N,N-Dimethylcyclohexylamine – Shanghai Ohans Co., LTD

N,N-Dicyclohexylmethylamine – Manufacturer of N,N-Dicyclohexylmethylamine and N,N-Dimethylcyclohexylamine – Shanghai Ohans Co ., LTD

bismuth neodecanoate/CAS 251-964-6 – Amine Catalysts (newtopchem.com)

stannous neodecanoate catalysts – Amine Catalysts (newtopchem.com)

polyurethane tertiary amine catalyst/Dabco 2039 catalyst – Amine Catalysts (newtopchem.com)

DMCHA – morpholine

N-Methylmorpholine – morpholine

Polycat 41 catalyst CAS10294-43-5 Evonik Germany – BDMAEE

Polycat DBU catalyst CAS6674-22-2 Evonik Germany – BDMAEE

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