Trimethylolpropane (TMP)

Trimethylolpropane (TMP)

Product Description

Trimethylolpropane (TMP) is the organic compound with the formula CH₃CH₂C(CH₂OH)₃. It is a colourless to white solid with a faint odor and is classified as a triol. Due to its three hydroxy functional groups, TMP is a widely used building block in the polymer industry.

Key Features & Advantages

  • High-functionality triol compound
  • Excellent building block for polymer synthesis
  • Improves UV and chemical resistance in end products
  • Suitable for coatings, resins, and specialty polymers
  • High purity and stable performance

Parameter

Typical Value

Appearance

White flake or tiny coloured crystal

Purity

98.5%

Hydroxy Value

37.5

Acidity as Formic

0.003

Ash

0.005

Moisture

0.1%

Melting Point

56–59 °C

Phthalic Colour (Gardner)

1

TMP is produced through the reaction of aldehyde-based raw materials under controlled industrial conditions, followed by purification and crystallization. The resulting product is refined to achieve the required purity and physical characteristics for polymer and resin applications.

TMP should be stored in a cool, dry, and well-ventilated area, protected from moisture and contamination. It is typically distributed in sealed bags or bulk packaging to preserve quality during transport and storage.

  • Adhesives and sealants
  • Alkyd resins
  • Saturated polyesters
  • Polyurethanes
  • Polyester polyol production
  • Polycarbonate diol production
  • Coatings requiring UV and chemical resistance

TMP is generally stable under normal handling conditions. Avoid generating dust and minimize inhalation of fine particles. Use standard industrial protective equipment such as gloves, goggles, and dust masks where necessary.

  • 25 kg bags
  • Jumbo bags
  • Bulk packaging on request

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