1,3-dioxane
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | 1,3-dioxane | |||||||||||||||
other names |
Formaldehyde trimethylene acetal |
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Molecular formula | C 4 H 8 O 2 | |||||||||||||||
Brief description |
colorless liquid |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | 88.11 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
1.034 g cm −3 |
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Melting point |
−45 ° C |
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boiling point |
105-106 ° C |
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Refractive index |
1.418 (20 ° C) |
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safety instructions | ||||||||||||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C |
1,3-Dioxane is a chemical compound from the group of oxygen-containing heterocycles .
Extraction and presentation
1,3-Dioxane can be obtained by reacting 1,3-propanediol and formaldehyde .
properties
1,3-Dioxane is a colorless, volatile and flammable liquid.
use
1,3-Dioxane is used as a solvent in the synthesis of 8- and 9-membered dioxazocines and dioxazonines .
safety instructions
The vapors of 1,3-dioxane form explosive mixtures with air (flash point 5 ° C). It can form peroxides with air .
Individual evidence
- ↑ a b c d e f g h i Entry on 1,3-dioxane in the GESTIS substance database of the IFA , accessed on January 2, 2018(JavaScript required) .
- ↑ a b Data sheet 1,3-Dioxane, 97% from Sigma-Aldrich , accessed on January 2, 2018 ( PDF ).
- ↑ Entry on 1,3-Dioxane in the Hazardous Substances Data Bank , accessed January 2, 2018.