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1
ChemicalCASPFC Class
(* = UMN Designation)		StructureReferencePeroxide Concentration Over TimeIncident Involved
(see reference for details)
2
(2-Chloroethoxy)benzene622-86-6D
KellyNo Data AvailableNo Data Available
3
1-(Benzyloxy)naphthalene607-58-9D
KellyNo Data AvailableNo Data Available
4
1-Allyloxy-2,3-epoxypropane106-92-3B*
Bretherick'sNo Data AvailableDetonation during distillation despite negative peroxide test result (some chemicals may require multiple testing methods). See Bretherick's.
5
1-Butanol71-36-3D*
Jarrell - CHAS0-4 ppm in samples > 1 yrNo Data Available
6
1-Chloro-1-fluoroethylene2317-91-1B
ClarkNo Data AvailableNo Data Available
7
1-Ethoxynaphthalene5328-01-08D
KellyNo Data AvailableNo Data Available
8
1-Octene111-66-0D
Kelly3 samples had 3-10 ppm peroxide; age >1 yrsNo Data Available
9
1-Pentene109-67-1D
Kelly5 samples had 1-10 ppm peroxide; age 1-10+ yrsNo Data Available
10
1-Phenylethanol98-85-1B
Kelly1 samples had 30 ppm peroxide; age >1 yrs (1-phenylethanol)
1 samples had >20 ppm peroxide; age >1 yrs (dl-1-phenylethanol)
No Data Available
11
1-Propanol71-23-8D*
Management of time-sensitive chemicals (JCHAS)3 samples had 1->100 ppm, age 1-27 yrNo Data Available
12
1,1-Dimethoxyethane534-15-6D
KellyNo Data AvailableNo Data Available
13
1,1,2,3-Tetrachloro-1,3-butadiene921-09-5D
KellyNo Data AvailableNo Data Available
14
1,2-Bis(2-chloroethoxy)ethane112-26-5D
KellyNo Data AvailableNo Data Available
15
1,2-Dibenzyloxyethane622-22-0D
KellyNo Data AvailableNo Data Available
16
1,2-Dichloroethyl ethyl ether623-46-1D
KellyNo Data AvailableNo Data Available
17
1,2-Diethoxyethane629-14-1D
KellyNo Data AvailableNo Data Available
18
1,2-Dimethoxyethane (glyme)110-71-4B*
Kelly, Bretherick's9 samples had 0-100 ppm peroxide; age 0.5 - 9 yrsDetonation during distillation. Sample was 7 years old and had formed peroxides. See Bretherick's.
19
1,2-Epoxy-3-isopropoxypropane4016-14-2D
KellyNo Data AvailableNo Data Available
20
1,2-Epoxy-3-phenoxypropane122-60-1D
KellyNo Data AvailableNo Data Available
21
1,3-Dioxane505-22-6D*
Bretherick'sNo Data AvailableNo Data Available
22
1,3-Dioxolane646-06-0D
BASFPeroxide concentration is barely detectable in the ppm range even after storage periods as long as a year.No Data Available
23
1,3,3-Trimethoxypropene17576-35-1D
KellyNo Data AvailableNo Data Available
24
1,3,5-Trioxane110-88-3D*
Bretherick'sNo Data AvailableContact detonation occured while trying to break up clumps of trioxane. See Bretherick's.
25
1,4-Dibenzyloxybenzene621-91-0D
KellyNo Data AvailableNo Data Available
26
1,4-Dibutoxybenzene104-36-9D
KellyNo Data AvailableNo Data Available
27
1,4-Dioxane123-91-1B
Burfield - JOC18 samples had 0- >100 ppm peroxide; age >1-24 yrsNo Data Available
28
1,4-Dioxene543-75-9D*
None - PFC class based on structural similaritiesNo Data AvailableNo Data Available
29
1,4-Dioxin290-67-5D*
None - PFC class based on structural similaritiesNo Data AvailableNo Data Available
30
15-Crown-5 ether33100-27-5D*
Management of time-sensitive chemicals (JCHAS)1 samples, >8 yrs, 1 ppmNo Data Available
31
2-(1-Methylheptyl)-4,6-dinitrophenyl crotonate (Meptyldinocap)131-72-6D*
Bretherick'sNo Data AvailableA pressure explosion occured while a tanker of material was being unloaded. See Bretherick's.
32
2-(2-Ethoxyethoxy)ethyl acetate112-15-2D
KellyNo Data AvailableNo Data Available
33
2-Acetyl-3-methylthiophene13679-72-6D
NFPANo Data AvailableA vacuum distillation of 2-acetyl-3-methylthiophene detonated on a lab bench. See Bretherick's.
34
2-Bromoethyl methyl ether6482-24-2D
KellyNo Data AvailableNo Data Available
35
2-Butanol78-92-2B
Kelly11 samples had 3 to > 1000 ppm, age > 1 yrAn explosion occured during the distillation of a 10 yr old sample of the alcohol (the sample contained 12% peroxides). Another explosion of a 12 yr old sample occured during distillation. See Bretherick's.
36
2-Butanone78-93-3B*
Bretherick's9 samples, 1-> 100 ppm, 1-10+ yrsMixtures with 2-propanol will form explosive peroxides during storage.
37
2-Butenal123-73-9D*
Bretherick'sNo Data AvailableMixture with butadiene exploded in an autoclave. See CAMEO and Bretherick's.
38
2-Butoxyethanol111-76-2B*
Cameo1 sample, > 1 yr, > 100 ppm;
7 samples, 1-3 ppm, > 1->9 yrs
No Data Available
39
2-Butoxyethyl acetate112-07-2D*
Management of time-sensitive chemicals (JCHAS)1 samples, > 1 yr, 3 ppmNo Data Available
40
2-Chloroethoxyethene110-75-8D*
Bretherick'sNo Data AvailableNo Data Available
41
2-Cyanoethyl acrylate106-71-8C*
PubChemNo Data AvailableNo Data Available
42
2-Cyclohexen-1-ol822-67-3B
Clark1 samples had 30 ppm peroxide; age >1 yrsNo Data Available
43
2-Ethoxyethanol (cellosolves)110-80-5B
ClarkNo Data AvailableNo Data Available
44
2-Ethoxyethyl 2-benzoylbenzoate604-63-7D
KellyNo Data AvailableNo Data Available
45
2-Ethoxyethyl acetate111-15-9B*
Kelly, ClarkNo Data Available"Mild" explosions have been reported after distillations. See Bretherick's under "Ethyl Glycol Acetate".
46
2-Ethylacrylaldehyde oxime99705-27-8D
KellyNo Data AvailableAn explosion occured during distillation.
Marvel, C. S. et al., J. Amer. Chem. Soc., 1950, 72, 5408
47
2-Ethylbutanal97-96-1D*
Bretherick'sNo Data AvailableNo Data Available
48
2-Ethylbutanol97-95-0D
KellyNo Data AvailableNo Data Available
49
2-Ethylhexanal123-05-7D
KellyNo Data AvailableIgnighted with extended contact with air. See Bretherick's.
50
2-Hexanol626-93-7B*
Kelly1 samples, 10 ppm Peroxide; > 1 yrNo Data Available
51
2-Hexenal6728-26-3D*
Bretherick'sNo Data AvailableNo Data Available
52
2-Hydroxyethyl ether111-46-6D*
Lloyd (Dow) - JACSNo Data AvailableNo Data Available
53
2-Isopropylacrylaldehyde oximeNAB*
Bretherick'sNo Data AvailableDistillation could detonate if hydroquinone is not added.
Marvel, C. S. et al., J. Amer. Chem. Soc., 1950, 72, 5408–5409
54
2-Methoxyethanol109-86-4D
KellyNo Data AvailableNo Data Available
55
2-Methoxyethyl acetate110-49-6D
KellyNo Data AvailableNo Data Available
56
2-Methoxyethyl vinyl ether1663-35-0D
KellyNo Data AvailableNo Data Available
57
2-Methyl propanol78-83-1D*
No Data AvailableNo Data Available
58
2-Methylpentane107-83-5B*
Management of time-sensitive chemicals (JCHAS)9 samples had <10 to >100 ppm peroxide; age >9 yrs (petroleum ether)No Data Available
59
2-Methyltetrahydrofuran96-47-9B*
Kelly5 samples had 0-100 ppm peroxide; age >1-10+ yrsUnstabilized MeTHF may quickly form peroxides. See Millapore Sigma Sheet linked for more information.
60
2-Octanol123-96-6B*
Management of time-sensitive chemicals (JCHAS)2 samples, >1yrs, 2-20 ppmNo Data Available
61
2-Pentanol6032-29-7B
Kelly3 samples, 1-20 ppm Peroxide; > 1 yrNo Data Available
62
2-Pentanone107-87-9D*
Management of time-sensitive chemicals (JCHAS)5 samples had 1-12 ppm peroxide; age >1-10+ yrsNo Data Available
63
2-Phenoxypropionyl chloride122-35-0D
KellyNo Data AvailableNo Data Available
64
2-Phenylethanol60-12-8B
Kelly1 samples had 100 ppm, age >1 yrs
2 samples had 10, 12 ppm, age >1 yrs		No Data Available
65
2-Propanol67-63-0B*
Kelly32 samples had 0 - >100 ppm, age 1 - 9+ yrs (listed as isopropanol)
28 samples 0-100 ppm 1->10 yrs (listed as 2-propanol)		Several detonations have occured during laboratory distillations. See Bretherick's for references to specific incidents.
66
2,2-Diethoxypropane126-84-1D
KellyNo Data AvailableNo Data Available
67
2,2-Dimethoxypropane77-76-9D*
Management of time-sensitive chemicals (JCHAS)2 samples had 3-10 ppm peroxide; age >1 yrsNo Data Available
68
2,2,5,5-Tetramethyltetrahydrofuran (TMTHF)15045-43-9Not a peroxide former
(no hydrogens alpha to the oxygen)
Byrne et al.No Peroxide FormationExample of a non-peroxide former
69
2,3-dihydro-1H-indene-2-carbaldehyde37414-44-1B*
Bretherick'sNo Data AvailableAn explosion occured during a bulb-to-bulb distillation. See Bretherick's.
70
2,3-Dihydrofuran1191-99-7D*
Bretherick'sNo Data AvailableNo Data Available
71
2,4-Dichlorophenetole5392-86-9D
KellyNo Data AvailableNo Data Available
72
2,4-Hexadienal142-83-6C*
Bretherick'sNo Data AvailableAn explosive polymerization occured on an industial scale. See Bretherick's.
73
2,4,5-T isopropyl ester93-78-7D
KellyNo Data AvailableNo Data Available
74
2,5-Dimethylfuran625-86-5B*
Fábos et al.No Data AvailableNo Data Available
75
2,5-Dimethyltetrahydrofuran (DMTHF)1003-38-9B*
Fábos et al.1 sample, 10 ppm, >1 yrsNo Data Available
76
2,5-Hexadiyn-1-ol28255-99-4D
KellyNo Data AvailableExplosion possible after distillation. Dilution with mineral oil recommended. See Bretherick's.
77
3-Bromopropyl phenyl ether588-63-6D
KellyNo Data AvailableNo Data Available
78
3-Chlorophenetole2655-83-6D
KellyNo Data AvailableNo Data Available
79
3-Ethoxy-1-propyne (propargylethyl ether)628-33-1D
KellyNo Data AvailableAn explosion occured during distillation. See Bretherick's.
80
3-Ethoxypropionitrile2141-62-0D
KellyNo Data AvailableNo Data Available
81
3-Heptanone106-35-4D*
Management of time-sensitive chemicals (JCHAS)1 samples, 2 ppm Peroxide; > 1 yrNo Data Available
82
3-Isopropoxypropanenitrile110-47-4D
KellyNo Data AvailableNo Data Available
83
3-Methoxy-1-butyl acetate4435-53-4D
KellyNo Data AvailableNo Data Available
84
3-Methoxypropionitrile110-67-8D
KellyNo Data AvailableNo Data Available
85
3-Methyl-2-methylenebutyraldehyde4417-80-5D*
Bretherick'sNo Data AvailableNo Data Available
86
3-Methyl-3-Hexanol597-96-6B*
Management of time-sensitive chemicals (JCHAS)1 samples had >20 ppm peroxide; age >1 yrsNo Data Available
87
3,3-Diethoxypropene3054-95-3D*
Bretherick'sNo Data AvailableNo Data Available
88
3,3-Dimethoxypropene6044-68-4D*
Bretherick'sNo Data AvailableNo Data Available
89
3,4-Dimethoxybenzyl alcohol93-03-8D*
Management of time-sensitive chemicals (JCHAS)1 samples had 3 ppm peroxide; age 7 yrsNo Data Available
90
4-(pentyloxy)benzoyl chloride36823-84-4D
KellyNo Data AvailableNo Data Available
91
4-Ethoxyphenyl isocyanate32459-62-4D
KellyNo Data AvailableNo Data Available
92
4-Heptanol589-55-9B
Kelly1 samples, 30 ppm Peroxide; > 1 yrNo Data Available
93
4-Methyl-2-pentanol108-11-2B
Kelly1 samples had 20-30 ppm peroxide; age >1 yrsNo Data Available
94
4-Penten-1-ol821-09-0B
Kelly1 samples, 20 ppm Peroxide; > 1 yrNo Data Available
95
4-Vinyl cyclohexene100-40-3D
KellyNo Data AvailableNo Data Available
96
4,5-Hexadien-2-yn-1-ol2749-79-3D
KellyNo Data AvailableExplosion possible after distillation. Dilution with mineral oil recommended. See Bretherick's.
97
5-Decyne1942-46-7B*
Management of time-sensitive chemicals (JCHAS)1 samples, >1yrs, 10 ppmNo Data Available
98
Acetal105-57-7B
Kelly2 samples had 10-30 ppm peroxide; age 6 to >10 yrsNo Data Available
99
Acetaldehyde75-07-0B
Kelly6 samples; 10 -20 ppm Peroxide; 1-8 yrsAn acetaldehyde storage tank detonated after oxygen leaked in. See Bretherick's.
100
Acetophenone98-86-2D*
Management of time-sensitive chemicals (JCHAS)2 samples, 2-3 ppm Peroxide; > 1 yrNo Data Available