Page 1
Acetaldehyde
Acetophenone
11. Infrared Reference Spectra
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600
Wavenumber [cm-1]
The infrared reference spectra contained in this section were obtained at a resolutionof 4 cm–1, using a Fourier-transform infrared spectrophotometer, under the conditionsspecified in the individual monographs. The horizontal axis indicates thewavenumber (cm–1) and the vertical axis indicates the transmittance (%). As areference, a potassium bromide disk without any sample was used in the disk method(10 mm in diameter), and an optical plate was used in the paste, thin film, and liquidfilm methods.
Page 2
Advantame
DL-Alanine
Allyl Cyclohexylpropionate
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600
Wavenumber [cm-1]
Page 3
Allyl Hexanoate
Allyl Isothiocyanate
(3-Amino-3-carboxypropyl)dimethylsulfonium Chloride
0
25
75
105
4000 3000 2000 1500 1000 600
Wavenumber [cm-1]
%T 50
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 4
Amyl Alcohol
a-Amylcinnamaldehyde
Ammonium Isovalerate
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600
Wavenumber [cm-1]
105
0
25
%T 50
75
4000 3000 2000 1500 1000 600
Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600
Wavenumber [cm-1]
Page 5
Anisaldehyde
L-Ascorbic Acid 2-Glucoside
Butyraldehyde
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
40000
25
%T 50
75
105
3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
Page 6
Benzyl Acetate
Benzyl Alcohol
Benzyl Propionate
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
Page 7
Betaine
Butanol
Butyl Acetate
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 8
Butylamine
sec -Butylamine
Butyl Butyrate
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
105
75
%T 50
25
0 4000
3000
2000
1500
Wavenumber [cm-1]
1000
600
Page 9
Butyraldehyde
Butyric Acid
Calcium Carboxymethylcellulose
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 10
Candelilla Wax
Carnauba Wax
1,8-Cineole
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 11
Cinnamaldehyde
Cinnamic Acid
Cinnamyl Acetate
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 12
Cinnamyl Alcohol
Citral
Citronellal
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 13
Citronellol
Citronellyl Acetate
Citronellyl Formate
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 14
Cyclohexyl Acetate
Cyclohexyl Butyrate
Decanal
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 15
Decanol
2,3-Diethyl-5-methylpyrazine
2,3-Diethylpyrazine
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 16
Dimethyl Dicarbonate
2,3-Dimethylpyrazine
2,5-Dimethylpyrazine
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
105
25
50
75
100
4000 6002000 100015003000
%T
Wavenumber [cm-1]
0
105
25
50
75
100
4000 6002000 100015003000
%T
Wavenumber [cm-1]
0
105
25
50
75
100
4000 6002000 100015003000
%T
Wavenumber [cm-1]
0
105
25
50
75
100
4000 6002000 100015003000
%T
Wavenumber [cm-1]
Page 17
2,6-Dimethylpyrazine
2,6-Dimethylpyridine
Ethyl Acetoacetate
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 18
Ethyl Butyrate
Ethyl Cinnamate
Ethyl Decanoate
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 19
2-Ethyl-3,(5 or 6)-Dimethylpyrazine
Ethyl Heptanoate
Ethyl Hexanoate
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 20
Ethyl Isovalerate
2-Ethyl-3-methylpyrazine
2-Ethyl-5-methylpyrazine
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 21
2-Ethyl-6-methylpyrazine
5-Ethyl-2-methylpyridine
Ethyl Octanoate
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 22
Ethyl Phenylacetate
Ethyl Propionate
2-Ethylpyrazine
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 23
3-Ethylpyridine
Ethylvanillin
Eugenol
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 24
Fludioxonil
Hexanoic Acid
Hexylamine
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
105
75
%T 50
25
0 4000
3000
2000
1500
Wavenumber [cm-1]
1000
600
Page 25
Hydroxycitronellal
Hydroxycitronellal Dimethylacetal
Isoamyl Acetate
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600
105
75
%T 50
25
0 4000
3000
2000
1500
Wavenumber [cm-1]
1000
600
Page 26
Isoamyl Alcohol
Isoamyl Butyrate
Isoamyl Formate
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
Page 27
Isoamyl Isovalerate
Isoamyl Phenylacetate
Isoamyl Propionate
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600
Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 28
Difenoconazole
Wavenumber [cm-1]
Page 29
Isobutanol
Isobutylamine
Isobutyl Phenylacetate
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
105
75
%T 50
25
0 4000
3000
2000
1500
Wavenumber [cm-1]
1000
600
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
Page 30
Isobutyraldehyde
Isoeugenol
Isopentylamine
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 31
Isopropanol
Isopropylamine
Isoquinoline
Wavenumber [cm ]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
105
75
%T 50
25
0 4000
3000
2000
1500
Wavenumber [cm-1]
1000
600
Page 32
Isovaleraldehyde
Linalool
Linalyl Acetate
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 33
Liquid Paraffin
Maltol
Menaquinone (Extract)
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 34
dl -Menthol
l -Menthol
l -Menthyl Acetate
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
105
Page 35
DL-Methionine
p -Methylacetophenone
Methyl N -Anthranilate
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 36
2-Methylbutanol
3-Methyl-2-butanol
trans -2-Methyl-2-butenal
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 37
3-Methyl-2-butenal
3-Methyl-2-butenol
2-Methylbutylaldehyde
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 38
2-Methylbutylamine
Methyl Cinnamate
5-Methyl-6,7-dihydro-5H -cyclopentapyrazine
Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
105
75
%T 50
25
0 4000
3000
2000
1500
Wavenumber [cm-1]
1000
600
Page 39
Methyl N -Methylanthranilate
1-Methylnaphthalene
Methyl b-Naphthyl Ketone
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 40
2-Methylpyrazine
6-Methylquinoline
5-Methylquinoxaline
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 41
Methyl Salicylate
Microcrystalline Cellulose
Microcrystalline Wax
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 42
Microfibrillated Cellulose
Natamycin
Neotame
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 43
g-Nonalactone
Octanal
Octanoic Acid
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 44
Paraffin Wax
trans -2-Pentenal
1-Penten-3-ol
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 45
2-Pentanol
Pentylamine
l -Perillaldehyde
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
105
75
%T 50
25
0 4000
3000
2000
1500
Wavenumber [cm-1]
1000
600
Page 46
Phenethyl Acetate
Phenethylamine
2-(3-Phenylpropyl)pyridine
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 47
Piperidine
Piperonal
Polysorbate 20
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 48
Polysorbate 60
Polysorbate 65
Polysorbate 80
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 49
Polyvinylpolypyrrolidone
Polyvinylpyrrolidone
Powdered Cellulose
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 50
Propanol
Propiconazole
Propionaldehyde
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 51
Propylamine
Pyrazine
Pyrimethanil
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
105
75
%T 50
25
0 4000
3000
2000
1500
Wavenumber [cm-1]
1000
600
Page 52
Pyrrole
Pyrrolidine
Silicone Resin
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 53
Sodium Carboxymethylcellulose
Sucralose
5,6,7,8-Tetrahydroquinoxaline
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 54
2,3,5,6-Tetramethylpyrazine
All -rac -α-Tocopheryl Acetate
Triethyl Citrate
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 55
2,3,5-Trimethylpyrazine
g -Undecalactone
Valeraldehyde
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
Page 56
Vanillin
Xylitol
%T 50
0
25
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]
0
25
%T 50
75
105
4000 3000 2000 1500 1000 600Wavenumber [cm-1]