Benzil dimethyl ketal
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| General | |||||||||||||||||||
| Surname | Benzil dimethyl ketal | ||||||||||||||||||
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| Molecular formula | C 16 H 16 O 3 | ||||||||||||||||||
| Brief description |
white odorless solid |
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| properties | |||||||||||||||||||
| Molar mass | 256.29 g mol −1 | ||||||||||||||||||
| Physical state |
firmly |
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| density |
1.21 g cm −3 |
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| Melting point |
67-70 ° C |
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| As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . | |||||||||||||||||||
Benzil dimethyl ketal ( DMPA , 2,2-dimethoxy-2-phenylacetophenone) is a chemical compound from the group of ketals .
Extraction and presentation
Benzil dimethyl ketal can be obtained by reacting benzil with methanol .
properties
Benzil dimethyl ketal is a white, odorless solid.
use
Benzildimethylketal is used as a photoinitiator (e.g. for 4-octyloxydiphenyliodonium hexafluoroantimonate (V) ) and hardener for lacquers and photochemical polymerisation of polyesters .
Individual evidence
- ↑ a b c d e f g Entry on benzil dimethyl ketal in the GESTIS substance database of the IFA , accessed on July 12, 2016(JavaScript required) .
- ↑ Patent CN102786404 : Preparation method for benzil dimethyl ketal. Registered on August 29, 2012 , published on July 16, 2014 , applicant: Tianjin Jiuri New Materials Co., Ltd, inventor: 吕振波, 张建锋, 张 齐, 杨天艳, 武 瑞, 白振锋, 赵国锋.
- ↑ Jacques Lalevee (ed.), Jean-Pierre Fouassier (ed.): Photopolymerization Initiating Systems . Royal Society of Chemistry, 2018. ISBN 1-78801330-1 , p. 37.
- ^ Wiley-VCH: Ullmann's Polymers and Plastics, 4 Volume Set Products and Processes . John Wiley & Sons, 2016, ISBN 978-3-527-33823-8 , pp. 785 ( limited preview in Google Book search).
- ↑ Data sheet 2,2-Dimethoxy-2-phenylacetophenone, 99% from Sigma-Aldrich , accessed on July 12, 2016 ( PDF ).
- ↑ Werner Baumann, Herberg-Liedtke: Paper chemicals data and facts on environmental protection . Springer-Verlag, 1994, ISBN 978-3-642-58040-6 , pp. 628 ( limited preview in Google Book search).