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[Chemical Knowledge]：What are the role and uses of 1,4-butanediol?

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1, 4-butanediol, abbreviated as BD or BDO, is a primary alcohol and organic compound. It is colorless and oily liquid, flammable and miscible with water. Soluble in methanol, ethanol, acetone, slightly soluble in ether. Boiling point 228 ℃. Melting point 20.2 ℃. Flash point (open cup) 121 ℃. Relative density 1. 0171. Refractive index 1. 4461. Hygroscopic, bitter taste. Can be miscible with water. Soluble in methanol, ethanol, acetone, slightly soluble in ether. Colorless oily liquid. Melting point 20.2 ℃ boiling point 228 ℃ relative density 1.0171 refractive index 1.4461 flash point 121 ℃ solubility miscible with water. Soluble in methanol, ethanol, acetone, slightly soluble in ether.

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Nine functions and uses

of 1,4-butanediol 1. Used as solvent and humidification agent

2. Used to make plasticizers, drugs, polyester resins, polyurethane resins, etc.

3. Used as chromatographic reagent

4. Used in organic synthesis

5. Used to produce tetrahydrofuran

6. Used to produce γ-butyrolactone and polybutylene terephthalate

7. Used as chain extender and polyester raw material to produce polyurethane elastomer and flexible polyurethane foam

8. Used as gelatin softener and water absorbent

9. Used in the preparation of vitamin B6, pesticides, herbicides and various processes of solvents, plasticizers, lubricants, humidifiers, softness, adhesives and electroplating industry brighteners.

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