
2H-Pyran-2-one | CAS:504-31-4
2H-Pyran-2-one
- Name:2H-Pyran-2-one
- CAS:504-31-4
- Synonyms:Coumalin; alpha-Pyrone
- Molecular Formula:C5H4O2
- Molecular Weight:96.08
- EINESC:207-990-5
Description
Properties
Melting point | 171-172 ºC*** |
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Boiling point | 207.5 ºC**** |
Flash point | 89.2±16.1 ºC, 计算值* |
Density | 1.2039 g/cm3 (20 ºC)** |
Refractive index | 1.56674 (19.45 ºC)***** |
Safety
没有数据 | 没有数据 |
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SDS
Source | SDS/MSDS Samples |
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没有数据 | 没有数据 |
Synthetic Route
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More
Articles
Peer-Reviewed Papers
Contact allergy to Tinuvin P.A C de Groot et al.Contact dermatitis, 9(4), 324-325 (1983-07-01)
Contact sensitivity to Tinuvin P in mice.Y Ikarashi et al.Contact dermatitis, 30(4), 226-230 (1994-04-01)
Contact sensitivity of and cross-sensitivity between 2-(2'-hydroxy-5'-methylphenyl)benzotriazole (Tinuvin P) and 2-(2'-hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzotriazole (Tinuvin 326) evaluated by lymph node cell proliferation and ear swelling response in mice.Y Ikarashi et al.Toxicology letters, 71(2), 151-159 (1994-04-01)
[Studies for analyzing the restricted ingredients such as 2-(2'-hydroxy-5'-methylphenyl)-benzotriazole].Hiroshi Tokunaga et al.Kokuritsu Iyakuhin Shokuhin Eisei Kenkyujo hokoku = Bulletin of National Institute of Health Sciences, (120)(120), 98-100 (2003-03-18)
[Determining the levels of benazol II in environmental objects].F M Fazlieva et al.Gigiena i sanitariia, (3)(3), 82-83 (1991-03-01)
[Hygienic chemical studies on plastics (VIII). Migration test of methyl methacrylate and plastic additives from polymethyl methacrylate (author's transl)].T Inoue et al.Eisei Shikenjo hokoku. Bulletin of National Institute of Hygienic Sciences, 99, 144-147 (1981-01-01)
Allergic contact dermatitis from an ostomy bag.E van Hecke et al.Contact dermatitis, 18(2), 121-122 (1988-02-01)
Contact allergy to the UV-absorber Tinuvin P in plastics.B Niklasson et al.Contact dermatitis, 21(5), 330-334 (1989-11-01)
Tinuvin P in a spandex tape as a cause of clothing dermatitis.K Arisu et al.Contact dermatitis, 26(5), 311-316 (1992-05-01)
Contact allergy to the UV absorber Tinuvin P in a dental restorative material.B Björkner et al.American journal of contact dermatitis : official journal of the American Contact Dermatitis Society, 8(1), 6-7 (1997-03-01)
A molecular logic gate.K L Kompa et al.Proceedings of the National Academy of Sciences of the United States of America, 98(2), 410-414 (2001-02-24)
Structural studies of two Tinuvin P analogs: 2-(2,4-dimethylphenyl)-2H-benzotriazole and 2-phenyl-2H-benzotriazole.Rosa María Claramunt et al.Molecules (Basel, Switzerland), 12(9), 2201-2214 (2007-10-27)
Determination of UV stabilizers in PET bottles by high performance-size exclusion chromatography.M Monteiro et al.Food additives and contaminants, 13(5), 575-586 (1996-07-01)
Remarks
Products protected by valid patents are not offered for sale in countries where the sale of such products constitutes a patent infringement and its liability is at buyer's risk.
Products currently covered by valid US Patents are offered for R&D use in accordance with 35 USC 271 +A13(1).
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