Poly(propylene glycol) 2000 TCI P3277

Chemical Identity

CAS No.: 25322-69-4

Rp 557.550,00

~~Rp 405.300,00~~ Rp 557.550,00

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Berat 25g 500g

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Poly(propylene glycol) 2000, supplied by TCI under catalogue number P3277 (CAS 25322-69-4), is a long-chain polyether diol with a nominal average molecular weight of 2000. It is built from propylene oxide repeat units and has a hydroxyl group at each end of the chain. In industry and research, PPG 2000 is a standard polyol for making flexible, elastic polyurethanes. In the laboratory it is used to synthesise elastomers, flexible foams, adhesives and sealants, and it also serves as a hydrophobic block when designing copolymers.

Its long chain gives a very flexible soft segment with a low glass transition temperature, so polymers made from it stay pliable at room temperature. In this class of material, the poly(propylene oxide) chain is fairly hydrophobic and only slightly soluble in water, but it dissolves well in many organic solvents. Because it carries few hydroxyl groups per unit mass, formulations need less isocyanate. The resulting networks also have long spacing between crosslinks, which supports high elongation. Together, these properties make PPG 2000 a reliable and predictable building block for researchers who need controlled flexibility in their polymer systems.

For Indonesian laboratories, PPG 2000 is a practical material for research on polyurethane materials, impact-resistant coatings and flexible adhesives, as well as elastomer-based medical and textile materials. University polymer groups, materials science research centres and industrial R&D teams can use it to study how soft-segment length affects mechanical performance. It is also suitable for teaching and research projects that explore structure–property relationships in segmented copolymers and polyurethane chemistry.

TCI brochures (PDF)

Monomers 2025-05-28 · p. 26

Related TCI products

Flexible polyurethane synthesis: its two terminal hydroxyl groups and long polyether chain make it a standard soft-segment polyol for elastic, pliable polyurethanes.
Elastomer and flexible foam research: the low glass transition temperature of its soft segment keeps the final materials flexible at room temperature, which is essential for foam and elastomer studies.
Adhesive and sealant formulation: its long crosslink spacing supports high elongation, which helps researchers develop flexible adhesives and sealants that tolerate movement and stress.
Copolymer design: its fairly hydrophobic poly(propylene oxide) chain works well as a hydrophobic block when designing amphiphilic or segmented copolymers for materials research.
Impact-resistant coating development: the flexible soft segments it introduces help absorb mechanical energy, making it useful in studies of tough, impact-resistant polyurethane coatings.

Brand	TCI (catalogue number P3277)
CAS number	25322-69-4
Molecular formula	—
Purity	—
Category	Materials Science > Polymer/Macromolecule Reagents > Monomers
Pack sizes	see the product page for available options
Physical form	polyether diol with a nominal average molecular weight of 2000
Storage	keep tightly closed in a cool, dry place; refer to the TCI documentation for specific conditions

Store Poly(propylene glycol) 2000 in its original, tightly sealed container in a cool, dry, well-ventilated area, away from direct sunlight, heat sources and strong oxidising agents. Keep the container closed when not in use so the material does not absorb moisture, since water reacts with isocyanates and can affect polyurethane formulations. Handle it with standard laboratory personal protective equipment, including safety glasses, chemical-resistant gloves and a lab coat. Avoid contact with eyes and skin, and do not ingest. Always read the manufacturer's Safety Data Sheet before use, and dispose of residues according to local regulations.

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