1. Acetaldehyde; Formaldehyde; Acrolein.

2. SOLID + Acrolein.

3. Acrolein formation on heating

4. Polymer of formaldehyde and acrolein

5. Acrolein, glucose and ammonium compounds

6. Overheated cooking oils emit acrolein and formaldehyde.

7. Method for preparing acrolein from glycerol or glycerine

8. Process for producing acrolein and/or acrylic acid

9. The characteristic pungent vapours of acrolein are evolved

10. • Acrolein, which has the molecular formula C3H4O

11. Absorption of acrolein by terrestrial plants is poor (WSSA, 1983).

12. It is therefore appropriate to include acrolein in Annex I.

13. The molecular formula of acrolein is CHOCHCH2, and its molecular weight is 56.06. At room temperature, acrolein is a clear, colourless liquid with an intensively acrid odour.

14. Ring catalyst for preparing acrolein and acrylic acid, and use thereof

15. Metabolic fate of (14C) acrolein under aerobic and anaerobic aquatic conditions.

16. Glycerin dehydration catalyst, preparation method therefor, and method for producing acrolein

17. The main metabolic pathway for acrolein is the alkylation of glutathione.

18. • Finalized control instruments for acetaldehyde, acrolein, acrylonitrile,1,3-butadiene and particulate matter.

19. Method for the catalytic gas phase oxidation of acrolein into acrylic acid

20. It contains such irritants as formaldehyde, ammonia, acrolein, nitrous oxide, hydrocarbons, and particulate matter.

21. Process for preparing alkyl esters of fatty acids and acrolein from triglycerides

22. Catalyst for preparing acrolein and acrylic acid, and method for preparing same

23. At room temperature, acrolein is a clear, colourless liquid with an intensively acrid odour.

24. Method for the heterogeneously catalyzed partial gas phase oxidation of acrolein into acrylic acid

25. Preferably the residual acrolein content of the PTT resin is less than 10 ppm.

26. The following entry for the substance acrolein is added in Annex I to Directive #/#/EC

27. (a) 1092 acrolein, inhibited, 1098 allyl alcohol, 1143 crotonaldehyde, stabilized, 2606 methyl orthosilicate.

28. Acrogamy acrogen acrogenous acrography acrolein acrolepia assectella Acrolepia assectella acrodermatitis in Persian English-Persian dictionary

29. With 10 cigarettes/30 m3 acrolein reaches 0.1 ppm, the threshold limit value for industries.

30. Method for the heterogeneously catalysed partial gas phase oxidation of acrolein to form acrylic acid

31. Moreover, acrolein and acrylic acid can be prepared with high selectivity and in high yields.

32. Acrolein is sometimes used as a fixative in preparation of biological specimens for electron microscopy.

33. Preferably the residual acrolein content of the PTT resin is less than 5 ppm.

34. alpha-Amylcinnamaldehyde; Amyl cinnamic aldehyde; alpha-amyl-beta-phenyl-acrolein; 2-Benzylidene heptanal; alpha-Pentyl-cinnamaldehyde

35. The three most important raw materials used to produce methionine are acrolein, methyl mercaptan and hydrocyanic acid.

36. Modelling indicates that acrolein behaves differently depending on the medium to which it is released.

37. Priority Substances List Assessment Report for Acrolein 2000 ISBN: 0-662-28575-1 Cat. No.:

38. Method for the production of acrolein or acrylic acid or the mixture thereof from propane

39. The present invention relates to a catalyst for preparing acrolein and acrylic acid, and a use thereof.

40. A liquid reaction medium is contacted with a gaseous acrolein feed stream in a gas/liquid contact zone.

41. Such PTT resin has an acrolein formation rate at 280 °C of less than 15 ppm/minute.

42. Available data are inadequate to serve as a basis for assessment of the carcinogenicity of acrolein following inhalation.

43. Such PTT resin has an acrolein formation rate at 280° C of less than 15 ppm/minute.

44. 2.2.2.2 Anthropogenic sources Sources and estimated releases of acrolein to the atmosphere are presented in Table 2.

45. Glycerin dehydration catalyst, and acrolein production process, acrylic acid production process and hydrophilic resin production process each using the catalyst

46. Catalyst system, oxidation reactor containing the same, and preparation method for acrolein and acrylic acid using the same

47. The present invention relates to a catalyst for preparing acrolein and acrylic acid, and to a method for preparing same.

48. The present invention relates to a glycerin dehydration catalyst, a preparation method therefor, and a method for producing acrolein.

49. In this study, immunolocalization of the 11S globulin (crystalloid protein) was performed on sections of acrolein–glutaraldehydefixed, resin-embedded, developing castor bean endosperm.

50. Also, a method for manufacturing the acrolein and the acrylic acid according to the present invention can provide improved production efficiency by using the catalyst.

51. 20 Rare earth chlorides were used to catalyze the synthesis of 2-butoxy- 4-dihydro-2H-pyran using equimolar acrolein and vinyl butyl ether.

52. According to many field trials on the efficiency of acrolein as a pesticide, most submerged aquatic weeds and algae are sensitive (BPCI, 1994).

53. Acroleins · censorial · creolians · loniceras · acrolein · ailerons · alerions · Alienors · alnicoes · calories · calorise · carioles · carlines

54. The smell of burnt fat (as when cooking oil is heated to its smoke point) is caused by glycerol in the burning fat breaking down into acrolein.

55. • (b) reduce emissions of the toxic substances formaldehyde, 1,3-butadiene, acetaldehyde, acrolein and benzene through the establishment of emission limits for hydrocarbons from engines; and

56. Acrolein is an extremely effective Biocide that has an environmental advantage over oxidising Biocides, because it can easily be deactivated by sodium sulphite before discharge to a receiving stream

57. The present invention relates to a catalyst system, an oxidation reactor containing the same, and a preparation method for acrolein and acrylic acid using the same.

58. • (b) reduce emissions of the toxic substances 1-3 butadiene, acetaldehyde, acrolein and benzene through the establishment of emission limits for hydrocarbons from on-road vehicles and engines; and

59. 2.3.1.6 Environmental partitioning Fugacity modelling was conducted to characterize key reaction, intercompartment and advection (movement out of a system) pathways for acrolein and its overall distribution in the environment.

60. Alternative pathways, involvingMichael reaction of diethyl 2-acetylsuccinate or -glutarate with acrolein and subsequent intramolecular aldol condensation, are presented in the case of cyclohex-2-enone derivatives2a,b.

61. Acrolein acts in an immunosuppressive manner and may promote regulatory cells, thereby preventing the generation of allergy on the one hand, but also increasing the risk of cancer.

62. As has been reported in the case of bone tissue treated Anhydrously with other organic solvents (34), cellular membranes in sections prepared with acrolein vapors appear only faintly stained (Fig

63. A composition comprising Polytrimethylene terephthalate (PTT) with a reduced emission of acrolein is obtained by contacting Polytrimethylene terephthalate (PTT) resin with an effective amount of a melt unstable, organic nitrogen−containing stabilizing compound.

64. A composition comprising Polytrimethylene terephthalate (PTT) with a reduced emission of acrolein is obtained by contacting Polytrimethylene terephthalate (PTT) resin with an effective amount of a melt stable, organic stabilizing compound.

65. 2.3.1.2 Water The significant fate processes of acrolein in surface water are reversible hydration, biodegradation by acclimatized microorganisms and volatilization (Bowmer and Higgins, 1976; Tabak et al., 1981; Irwin, 1987; Haag et al., 1988b; Howard, 1989; ATSDR, 1990; Springborn Laboratories, 1993).

66. The significant fate processes of acrolein in surface water are reversible hydration, biodegradation by acclimatized microorganisms and volatilization (Bowmer and Higgins, 1976; Tabak et al., 1981; Irwin, 1987; Haag et al., 1988b; Howard, 1989; ATSDR, 1990; Springborn Laboratories, 1993).

67. ‘The validity of this assay may be questioned since Acetaldehyde is a highly volatile and reactive molecule.’ ‘The chemicals that most often exceeded limits were naphthalene, formaldehyde and Acetaldehyde.’ ‘The fumes also contain sulfur dioxide, and various aldehydes, primarily formaldehyde as well as Acetaldehyde and acrolein.’

68. The purpose of these Regulations is to (a) reduce emissions of hydrocarbons, oxides of nitrogen, particulate matter and carbon monoxide from engines by establishing emission limits for those substances or combinations of those substances; (b) reduce emissions of the toxic substances formaldehyde, 1,3 butadiene, acetaldehyde, acrolein and benzene through the establishment of emission limits for hydrocarbons from engines; and (c) establish emission standards and test procedures for engines that are aligned with those of the EPA.