Di- n -pentyl phthalate
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | Di- n -pentyl phthalate | |||||||||||||||
other names |
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Molecular formula | C 18 H 26 O 4 | |||||||||||||||
Brief description |
colorless to yellowish odorless liquid |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | 306.40 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
1.02 g cm −3 |
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Melting point |
−55 ° C |
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boiling point |
343 ° C |
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solubility |
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Refractive index |
1.490 (20 ° C) |
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safety instructions | ||||||||||||||||
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Authorization procedure under REACH |
of particular concern : toxic for reproduction ( CMR ); subject to approval |
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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 |
Di- n -pentyl phthalate is a chemical compound from the group of phthalic acid esters .
Extraction and presentation
The compound can be obtained by esterifying phthalic anhydride with n- pentanol in the presence of about 1% concentrated sulfuric acid as a catalyst.
properties
Di- n -pentyl phthalate is a flammable, hardly inflammable, colorless to yellowish, odorless liquid that is very sparingly soluble in water. Some of the commercial products also contain larger amounts of the isomer diisopentyl phthalate.
use
Di- n -pentyl phthalate is used as a plasticizer for PVC.
safety instructions
Di- n -pentyl phthalate is on the candidate list of substances of very high concern ( SVHC ) and has been included in the list of substances subject to authorization.
proof
Di- n -pentyl phthalate can be detected by capillary gas chromatography .
literature
Individual evidence
- ↑ a b c d e f g h i Entry on dipentyl phthalate in the GESTIS substance database of the IFA , accessed on June 12, 2017(JavaScript required) .
- ↑ a b Entry on Di-n-pentyl phthalate in the Hazardous Substances Data Bank , accessed June 12, 2017.
- ↑ a b Data sheet Dipentyl phthalate from Sigma-Aldrich , accessed on June 12, 2017 ( PDF ).
- ↑ Entry on Dipentyl phthalate in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on June 12, 2017. Manufacturers or distributors can expand the harmonized classification and labeling .
- ↑ a b Entry in the SVHC list of the European Chemicals Agency , accessed on January 9, 2019.
- ↑ a b Entry in the list of substances subject to authorization of the European Chemicals Agency , accessed on January 9, 2019.
- ^ Federal Institute for Occupational Safety and Health: Dipentylphthalate , March 2003 edition.
- ↑ Lawrence H. Keith, Compilation of EPA's Sampling and Analysis Methods, Second Edition . CRC Press, 1996, ISBN 978-1-4200-5061-5 , pp. 527 ( limited preview in Google Book search).