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3-Mercaptopropylmethyldimethoxysilane CAS No.31001-77-1

3-Mercaptopropylmethyldimethoxysilane CAS No.31001-77-1 (3-MPDMS) is a silane coupling agent that is used to improve the adhesion of materials. It is a colorless, clear liquid that is soluble in alcohols and ethers. 3-MPDMS is a versatile silane coupling agent that can be used in a variety of applications, including:

  • Epoxy resins
  • Polyurethanes
  • Polyesters
  • Rubbers
  • Adhesives
  • Coatings

3-MPDMS works by reacting with the hydroxyl groups on the surface of the material to form a covalent bond. This bond creates a strong, durable bond that resists water, chemicals, and heat.

3-MPDMS is a safe and effective silane coupling agent that is approved for use in food and beverage applications. It is also non-toxic and biodegradable.

Properties and uses:

This product is a colorless transparent liquid with an unpleasant sulfide smell. Insoluble in water, but soluble in alcohol, will slowly react with water.

1. This product is used as a silane coupling agent in epoxy resin, polyurethane, polyester, styrene-butadiene rubber and natural rubber to improve the performance of composite materials made from them. In addition, it is used as a reinforcing and crosslinking accelerator. Can be used on fiberglass, deep-set inks, glues and sealants.
2. It has excellent protective properties for metal surfaces.
3. As fabric finishing agent, anti-shrinkage agent and raw material for hair care products, etc.

Packaging and storage:

1. This product is relatively stable at normal temperature and pressure. Avoid contact with open flames and high temperatures. Store in a cool, dry and well-ventilated warehouse, away from fire and heat sources. Keep container tightly closed. The storage area should be equipped with leakage emergency treatment equipment and good containment materials.
2. This product is slightly irritating to the skin, eyes and respiratory tract, so protection should be taken when using it.
3. Packaging of this product: 200KG plastic drum.

Product number: PR-902
English name: 3-Mercaptopropylmethyldimethoxysilane
Alias: Dimethoxy-(3-mercaptopropyl)methylsilane;
3-(Dimethoxymethylsilyl)-1-propanethiol
Molecular Structure: 3-Mercaptopropylmethyldimethoxysilane CAS No.31001-77-1
Molecular formula: C6H16O2SSi
Molecular weight: 180.34
CAS : 31001-77-1
EINECS : 250-426-8
InChI: 1S/C6H16O2SSi/c1-7-10(3,8-2)6-4-5-9/h9H,4-6H2,1-3H3
Physical and chemical properties
Boiling point: 96ºC (30MMHG)
Refractive index: 1.45
Flash point: 199ºF
Density: 1.00
Nature description: Colorless transparent liquid, boiling point 195°C

Properties and uses :
This product is a colorless transparent liquid with an unpleasant sulfide smell. Insoluble in water, but soluble in alcohol, will slowly react with water.
1. This product is used as a silane coupling agent in resin, styrene-butadiene rubber and natural rubber to improve the performance of composite materials made of them. In addition, it can be used as a reinforcing and cross-linking accelerator for glass fiber and deep ink , glue and sealing materials.
2. It has excellent protective properties for metal surfaces.
3. As fabric finishing agent, anti-shrinkage agent and raw material for hair care products, etc.

Packaging and storage :
1. This product is relatively stable at normal temperature and pressure. Avoid contact with open flames and high temperatures. Store in a cool, dry and well-ventilated warehouse, away from fire and heat sources. Keep container tightly closed. The storage area should be equipped with leakage emergency treatment equipment and good containment materials.
2. This product is slightly irritating to the skin, eyes and respiratory tract, so protection should be taken when using it.
3. Packaging of this product: 200KG plastic drum.

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