Butanediol BDO intermediate
Butanediol intermediate is a versatile diol precursor to numerous derivatives such as esters, carbamates, polyesters and urethanes. It is used mainly as a co-monomer in classical diol-condensation reactions with terephthalic acid to produce polybutylene terephthalate (PBT), with diisocyanates to produce polyurethanes and with diacids to yield polyesters with biodegradability characteristics.
Butanediol intermediate’s reactive sites are its hydroxyl groups, which undergo all the typical reactions of alcohols. In addition to the condensation reactions noted above, it can be converted to simple esters and halides, dehydrated to tetrahydrofuran (THF) and dehydrogenated to gamma-butyrolactone.
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- Asia Pacific
- Europe, Middle East, Africa, India
- Latin America and South America
- North America
Application InformationWant to know more about how our products are used?
Intermediate in production of bio-degradable plastics.
- Biodegradable
- High boiling point
- Soluble in water, alcohols, ketones and esters
Component of hot melt polyesters when reacted with adipic acid, sebacic or phthalic acid.
- Biodegradable
- High boiling point
- Soluble in water, alcohols, ketones and esters
Intermediate reacted with dimethyl terephthalate or terephthalic acid for production of PBT, an engineering thermoplastic material used extensively in injection molding applications.
- Biodegradable
- High boiling point
- Soluble in water, alcohols, ketones and esters
Component of polyester coatings when reacted with other diols and terephthalic acid or other dicarboxylic acids.
- Biodegradable
- High boiling point
- Soluble in water, alcohols, ketones and esters
Component of polyester plasticizers when reacted with neopentyl glycol.
- Biodegradable
- High boiling point
- Soluble in water, alcohols, ketones and esters
Component in production of solvents.
- Biodegradable
- High boiling point
- Soluble in water, alcohols, ketones and esters
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Formulations and Solution Properties
| Molecular weight: | 90.12 |
| Physical form: | Clear liquid @ 25°C |
| Color (APHA): | 5 max. |
| Purity: | 99.5% min. |
| Moisture content: | 0.05% max. |
| Boiling point: | 228°C |
| Flash point: | >121°C |
| Freezing point: | 20.1°C |
| Vapor pressure: | <0.1 mm Hg @ 20°C |
| Viscosity: | 71.5 cp @ 25°C |
| Specific gravity: | 1.017 @ 25°C |
| Surface tension: | 44 mN/M @ 25°C |
| Heat of vaporization: | 18.3 Kcal/mole |
| Solubility parameters: | 12.1 cal1/2 cm-3/2 |