CAS number
107-75-5

Molecular formula
C10H20O2

SMILES
CC(CCCC(C)(C)O)CC=O

Safety labels

Retention indicies (RI)

• DB5: 1285.0
• Carbowax: 1882.0

Fragrance
Floral	90.07%
Green	71.41%
Sweet	67.51%
Lily	64.28%
Fresh	62.55%
Citrus	58.41%
Rose	54.76%
Muguet	54.28%
Waxy	47.21%
Aldehydic	45.21%

 

Flavor
Green	82.34%
Floral	77.81%
Waxy	60.5%
Sweet	57.07%
Lily	46.45%
Citrus	46.26%
Fresh	42.37%
Tropical	41.0%
Rose	40.36%
Oily	39.89%

 

Odor impact est.
Medium

XLogP3-AA
1.6

pKa est.
8.43 (weak base)

Molecular weight
172.26 g/mol

Vapor pressure est.

• hPa @ 20°C
• hPa @ 25°C

Evaporation rate
Slow

Boiling point

• 241.00 °C. @ 760.00 mm Hg

Flash point

• 104.94 ˚C est.

Solubility expt.

• slightly
• slightly soluble in water; soluble in alcohol, propylene glycol, and oils; insoluble in glycerol
• 1 ml in 1 ml 50% alcohol (in ethanol)

• Hydroxycitronellal
• 107-75-5
• 7-Hydroxy-3,7-dimethyloctanal
• 7-Hydroxycitronellal
• Citronellal hydrate
• 3,7-Dimethyl-7-hydroxyoctanal
• Phixia
• Cyclalia
• Cyclosia
• Laurine
• Fixol
• Lilyl aldehyde
• Muguet synthetic
• Muguettine principle
• Musuet synthetic
• Octanal, 7-hydroxy-3,7-dimethyl-
• hydroxy citronellal
• Musuettine principle
• Citronellal, hydroxy-
• Oxydihydrocitronellal
• 7-Hydroxy-3,7-dimethyloctan-1-al
• FEMA No. 2583
• 1-OCTANAL, 3,7-DIMETHYL-7-HYDROXY-
• NSC 406740
• CHEBI:53459
• UNII-8SQ0VA4YUR
• 8SQ0VA4YUR
• 3,7-dimethyl-7-hydroxyoctan-1-al
• EINECS 203-518-7
• BRN 1721290
• 7-Hydroxy-3,7-dimethyloctanol
• DTXSID6042232
• AI3-05823
• Octanol, 7-hydroxy-3,7-dimethyl-
• MFCD00014681
• NSC-406740
• HYDROXYCITRONELLAL [FCC]
• DTXCID4022232
• FEMA 2583
• HYDROXYCITRONELLAL [FHFI]
• EC 203-518-7
• 4-01-00-04058 (Beilstein Handbook Reference)
• 3,7-DIMETHYL-7-HYDROXY-OCTANAL
• NCGC00181031-01
• CAS-107-75-5
• Citronellaldehyde
• 7Hydroxycitronellal
• Oxdihydrocitronellal
• Citronellal, hydroxy
• Octanal,7-dimethyl-
• Citronellal hydric acid
• 3,7Dimethyl7hydroxyoctanal
• 7Hydroxy3,7dimethyloctanal
• Epitope ID:114090
• 7Hydroxy3,7dimethyloctan1al
• SCHEMBL94185
• Octanal, 7hydroxy3,7dimethyl
• 1Octanal, 3,7dimethyl7hydroxy
• GTPL2468
• CHEMBL3186027
• HYDROXYCITRONELLAL [INCI]
• WLN: VH1Y1&3XQ1&1
• 1-Octanal,7-dimethyl-7-hydroxy-
• Tox21_112681
• Tox21_301174
• NSC163509
• NSC406740
• 7-hydroxy-3,7-dimethyl-caprylaldehyde
• AKOS015901699
• Hydroxycitronellal, analytical standard
• DB14187
• FC29224
• NSC-163509
• Hydroxycitronellal, >=95%, FCC, FG
• NCGC00181031-02
• NCGC00181031-03
• NCGC00255072-01
• AS-59723
• SY011300
• NS00005856
• D70299
• SBI-0654026.0001
• EN300-24500676
• SR-01000944842
• 7-Hydroxy-3,7-dimethyloctanal,;7-Hydroxycitronellal
• SR-01000944842-1
• 7-Hydroxycitronellal, Odorant used in allergy studies
• Q25100775

Hydroxycitronellal is a fragrance ingredient widely used in perfumery to provide floral notes. It is commonly formulated into cosmetics and personal care products to impart a delicate scent. It is also used in household cleaning products, detergents, and air fresheners to deliver a pleasant fragrance. Its role is as an odorant and aroma component in consumer formulations, with use subject to local regulations and formulation limits.

Solvent	Solubility (g/L)
ethanol	1618.89
methanol	2371.88
isopropanol	1133.14
water	8.13
ethyl acetate	369.96
n-propanol	868.59
acetone	538.58
n-butanol	834.9
acetonitrile	311.02
DMF	551.89
toluene	97.53
isobutanol	569.26
1,4-dioxane	925.99
methyl acetate	307.01
THF	1342.5
2-butanone	312.18
n-pentanol	461.28
sec-butanol	600.2
n-hexane	65.41
ethylene glycol	332.54
NMP	399.16
cyclohexane	85.77
DMSO	489.72
n-butyl acetate	369.21
n-octanol	302.92
chloroform	569.73
n-propyl acetate	242.05
acetic acid	862.15
dichloromethane	323.57
cyclohexanone	536.52
propylene glycol	658.03
isopropyl acetate	273.19
DMAc	347.59
2-ethoxyethanol	584.54
isopentanol	589.58
n-heptane	66.85
ethyl formate	293.44
1,2-dichloroethane	189.08
n-hexanol	771.78
2-methoxyethanol	1171.94
isobutyl acetate	205.99
tetrachloromethane	96.79
n-pentyl acetate	191.64
transcutol	1560.74
n-heptanol	284.11
ethylbenzene	69.55
MIBK	232.33
2-propoxyethanol	937.99
tert-butanol	1180.17
MTBE	443.02
2-butoxyethanol	449.7
propionic acid	551.37
o-xylene	83.89
formic acid	394.64
diethyl ether	359.65
m-xylene	99.36
p-xylene	102.11
chlorobenzene	136.32
dimethyl carbonate	80.91
n-octane	23.06
formamide	268.31
cyclopentanone	524.54
2-pentanone	322.63
anisole	192.66
cyclopentyl methyl ether	421.34
gamma-butyrolactone	554.78
1-methoxy-2-propanol	874.94
pyridine	295.12
3-pentanone	171.03
furfural	461.43
n-dodecane	19.11
diethylene glycol	657.73
diisopropyl ether	123.21
tert-amyl alcohol	599.28
acetylacetone	315.27
n-hexadecane	20.71
acetophenone	160.22
methyl propionate	236.68
isopentyl acetate	345.63
trichloroethylene	377.48
n-nonanol	241.51
cyclohexanol	576.14
benzyl alcohol	199.56
2-ethylhexanol	339.5
isooctanol	206.59
dipropyl ether	294.43
1,2-dichlorobenzene	127.59
ethyl lactate	169.15
propylene carbonate	364.01
n-methylformamide	373.23
2-pentanol	449.19
n-pentane	55.21
1-propoxy-2-propanol	687.67
1-methoxy-2-propyl acetate	390.93
2-(2-methoxypropoxy) propanol	354.89
mesitylene	78.99
ε-caprolactone	498.66
p-cymene	83.49
epichlorohydrin	512.22
1,1,1-trichloroethane	241.83
2-aminoethanol	730.52
morpholine-4-carbaldehyde	667.51
sulfolane	489.95
2,2,4-trimethylpentane	35.16
2-methyltetrahydrofuran	695.38
n-hexyl acetate	349.77
isooctane	36.31
2-(2-butoxyethoxy)ethanol	581.71
sec-butyl acetate	179.74
tert-butyl acetate	317.87
decalin	39.46
glycerin	686.54
diglyme	784.82
acrylic acid	361.92
isopropyl myristate	122.43
n-butyric acid	801.98
acetyl acetate	219.01
di(2-ethylhexyl) phthalate	131.29
ethyl propionate	188.65
nitromethane	579.32
1,2-diethoxyethane	386.92
benzonitrile	224.57
trioctyl phosphate	104.57
1-bromopropane	157.72
gamma-valerolactone	841.92
n-decanol	172.73
triethyl phosphate	108.26
4-methyl-2-pentanol	275.53
propionitrile	295.21
vinylene carbonate	308.38
1,1,2-trichlorotrifluoroethane	498.65
DMS	162.96
cumene	66.94
2-octanol	183.98
2-hexanone	253.74
octyl acetate	157.77
limonene	143.78
1,2-dimethoxyethane	725.3
ethyl orthosilicate	118.85
tributyl phosphate	128.03
diacetone alcohol	441.56
N,N-dimethylaniline	131.12
acrylonitrile	258.84
aniline	216.57
1,3-propanediol	886.44
bromobenzene	114.24
dibromomethane	232.6
1,1,2,2-tetrachloroethane	367.97
2-methyl-cyclohexyl acetate	221.91
tetrabutyl urea	151.7
diisobutyl methanol	182.75
2-phenylethanol	268.67
styrene	78.36
dioctyl adipate	174.9
dimethyl sulfate	109.13
ethyl butyrate	247.77
methyl lactate	216.42
butyl lactate	226.7
diethyl carbonate	147.44
propanediol butyl ether	534.46
triethyl orthoformate	200.42
p-tert-butyltoluene	90.12
methyl 4-tert-butylbenzoate	209.54
morpholine	1150.1
tert-butylamine	638.61
n-dodecanol	127.07
dimethoxymethane	377.4
ethylene carbonate	295.6
cyrene	266.37
2-ethoxyethyl acetate	238.05
2-ethylhexyl acetate	250.49
1,2,4-trichlorobenzene	166.12
4-methylpyridine	301.78
dibutyl ether	238.78
2,6-dimethyl-4-heptanol	182.75
DEF	293.22
dimethyl isosorbide	496.07
tetrachloroethylene	249.45
eugenol	219.8
triacetin	273.48
span 80	391.54
1,4-butanediol	311.82
1,1-dichloroethane	258.11
2-methyl-1-pentanol	330.29
methyl formate	254.05
2-methyl-1-butanol	440.56
n-decane	34.28
butyronitrile	395.82
3,7-dimethyl-1-octanol	263.33
1-chlorooctane	110.75
1-chlorotetradecane	44.02
n-nonane	34.55
undecane	24.59
tert-butylcyclohexane	46.99
cyclooctane	29.74
cyclopentanol	598.25
tetrahydropyran	808.8
tert-amyl methyl ether	283.45
2,5,8-trioxanonane	532.68
1-hexene	189.08
2-isopropoxyethanol	379.1
2,2,2-trifluoroethanol	198.57
methyl butyrate	256.31

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