DER

Diol-based chain extender for urethane

Product name	Abbreviation	Reference number in gazetted list in Japan	Packaging	General properties
Product name	Abbreviation	Reference number in gazetted list in Japan	Packaging	Functional group and compound classification	CAS RN	Chemical formula	Molecular weight	Appearance	Melting point (°C)	Boiling point (°C)	Specific gravity	Flash point (°C)	Ignition point (°C)
1,3-Bis(2-hydroxyethoxy)benzene	DER	3-3864	20 kg paper bag	Hydroxy	102-40-9	C₁₀H₁₄O₄	198	Grayish- white flake	90 °C	206-212 °C (5 torr)	1.262 g/cm³	212 °C and over	No data

Product	Application	Application details
DER	Polyurethane/polyester elastomer	Chain extender

Fine Chemicals Division