1,5-Pentanediol (CAS 111-29-5) | BASTONE Petrochem

1,5-Pentanediol (CAS 111-29-5) is a colorless, viscous liquid diol manufactured directly by BASTONE. Formulators rely on its specific hygroscopic properties and broad solubility to produce unsaturated polyester resins, polyurethane foams, and advanced lubricating oil additives.

BASTONE supplies 100% bio-based grades to support global sustainability goals across downstream chemical manufacturing.

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Description

BASTONE manufactures 1,5-Pentanediol in-house at our Hangzhou production facility. Our chemical engineers control the entire synthesis process to yield a colorless, odorless, and highly viscous liquid. Strict quality control ensures consistent hygroscopicity and exact thermal properties, including a boiling point of 239°C and a melting point of -18°C.

Complete miscibility with water, methanol, ethanol, and acetone gives formulators maximum flexibility. Production engineers integrate our 1,5-Pentanediol into complex solvent systems without facing phase separation issues. Consistent solubility parameters reduce blending times and improve the stability of the final chemical mixtures.

Operating as a direct manufacturer allows BASTONE to maintain tight specification tolerances batch after batch. Our R&D center continuously tests production samples to verify purity and performance characteristics. Downstream buyers receive full Certificate of Analysis (COA) documentation traceable directly to our Hangzhou reactors.

Factory and Activities

1,5-Pentanediol (CAS 111-29-5) | Bio-Based Manufacturer | BASTONE - BASTONE Petrochem
1,5-Pentanediol Chemical Intermediate
High-purity, bio-based 1,5-pentanediol is a colorless, viscous liquid ideal for polymer synthesis.

Specifications

General Information

Property Detail
Product Name 1,5-Pentanediol
CAS Number 111-29-5
Manufacturer Zhejiang Bastone Technology Co., Ltd
Appearance Colorless, odorless, viscous liquid with hygroscopicity
Solubility Miscible with water; mixes with methanol, ethanol, and acetone

Technical Properties

Parameter Value
Melting Point -18 ℃
Boiling Point 239 ℃
pH /

Bio-Based & Eco-Friendly

BASTONE produces 1,5-pentanediol as a 100% bio-based chemical intermediate. Plant-derived feedstocks replace traditional fossil-based precursors during our manufacturing process. Formulators can directly substitute petroleum-based diols with our bio-based grade without altering their existing reactor setups or curing parameters.

Switching to bio-based 1,5-pentanediol significantly reduces the carbon footprint and greenhouse gas emissions of downstream polymer production. Companies manufacturing polyurethanes and polyesters can immediately improve their environmental profiles and meet strict global sustainability goals. Green credentials matter in modern chemical procurement, and our bio-based diol provides a verifiable path to more sustainable manufacturing.

Applications

Resin manufacturers react 1,5-pentanediol with dicarboxylic acids to create unsaturated polyester resins and oil-free alkyd resins. The five-carbon chain imparts flexibility and impact resistance to the final polymer network. Coatings formulated with these resins exhibit excellent weatherability and adhesion to metal substrates.

Polyurethane formulators consume the diol as a chain extender and soft-segment building block. The resulting polyurethane foams and elastomers demonstrate high tear strength and low-temperature flexibility. Plasticizers derived from 1,5-pentanediol keep elastomer compounds pliable across wide temperature ranges.

Blenders incorporate 1,5-pentanediol into advanced lubricating oil additives and synthetic aviation lubricants. The chemical structure provides excellent thermal stability and lubricity under extreme pressure. Production engineers also apply the diol in surfactant manufacturing, insulating materials, printing inks, and as a polymerization inhibitor.

Polyurethane foam production using 1,5-pentanediol
Engineers inspect polyurethane foam produced using our drop-in, bio-based 1,5-pentanediol chemical intermediate.

Why Choose BASTONE

BASTONE manufactures 1,5-pentanediol directly at our own Hangzhou production facility. Buyers bypass trading company markups and secure direct manufacturer pricing for bulk chemical orders. Our R&D-oriented chemical group maintains full control over the synthesis process, ensuring every drum meets exact specification limits before export.

Procurement teams benefit from our integrated manufacturing and export platform. Zhejiang Bastone Technology Co., Ltd handles all international logistics, customs documentation, and hazardous materials compliance. We coordinate container loading directly from our factory floor to the port of departure, minimizing handling risks and transit delays.

Our technical supply chain specialists understand the specific documentation requirements for bio-based chemical imports. We provide full Certificates of Analysis (COA), Technical Data Sheets (TDS), and Safety Data Sheets (SDS) with every shipment. Buyers receive consistent material quality backed by a manufacturer with over a decade of global export experience.

Chemical logistics and quality control
Strict quality control and secure IBC tote packaging ensure consistent purity for global chemical logistics.

Sourcing & Logistics

Category Detail
Supply Origin BASTONE Hangzhou Production Facility, China
Packaging 180kg/Barrel
Shelf Life & Storage 24 months. Store in a cool, dry place, away from light, heat, and fire.
Export Entity Zhejiang Bastone Technology Co., Ltd
Documentation COA, TDS, SDS, Commercial Invoice, Packing List
Trade Terms FOB, CIF, CFR, DDP (subject to destination)
Sample Availability Available upon request for R&D qualification

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