Citral

  • Identifiers

    CAS number
    141-27-5

    Molecular formula
    C10H16O

    SMILES
    CC(=CCC/C(=C/C=O)/C)C
    O

    Safety labels

    Irritant
    Irritant

    Retention indicies (RI)

    • DB5: 1275.57
    • Carbowax: 1724.43

  • Odor profile

    fruity 80.39%
    citrus 77.13%
    sweet 70.59%
    herbal 65.57%
    fresh 64.09%
    green 59.25%
    floral 59.02%
    lemon 57.71%
    aldehydic 47.09%
    spicy 44.33%

    Scent© AI

  • Properties

    XLogP3-AA
    3.0 Well soluble in DEP, BB, IAA

    Molecular weight
    152.23 g/mol

    Vapor pressure est.

    • 0.0827 hPa @ 20°C
    • 0.1289 hPa @ 25°C

    Evaporation rate
    Moderate

    Melting points

    • Melting point <-10 °C.

    Boiling points

    • 444 °F at 760 mmHg (Decomposes) (NTP, 1992)
    • 229 °C
    • 228.00 to 229.00 °C. @ 760.00 mm Hg
    • 226-228 °C

    Flash points

    • 215 °F (NTP, 1992)
    • 195 °F (91 °C) (CLOSED CUP)
    • 82 °C c.c.

    Solubilities

    • 0.1 to 1 mg/mL at 64 °F (NTP, 1992)
    • Soluble in 5 volumes of 60% alcohol; soluble in all proportions of benzyl benzoate, diethyl phthalate, glycerin, propylene glycol, mineral oil, fixed oils, and 95% alcohol.
    • Solubility in alcohol: 1 mL in 7 mL 70% alcohol
    • In water, 1.34X10+3 mg/L at 37 °C
    • 1340 mg/L @ 25 °C (exp)
    • Solubility in water, g/100ml at 25 °C: 0.059 (very poor)
    • Insoluble in glycerol; very slightly soluble in water; soluble in fixed oils, mineral oil, propylene glycol
    • soluble (in ethanol)

  • Synonyms

    • Citral
    • GERANIAL
    • 5392-40-5
    • trans-Citral
    • (2E)-3,7-dimethylocta-2,6-dienal
    • 141-27-5
    • 3,7-dimethylocta-2,6-dienal
    • Citral a
    • geranialdehyde
    • alpha-Citral
NaN -Infinity

IFRA Standard - 51

Recommendation
Restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 0.11 % Category 7A
Rinse-off products applied to the hair with some hand contact
 0.2 %
Category 2
Products applied to the axillae
 0.032 % Category 7B
Leave-on products applied to the hair with some hand contact
 0.2 %
Category 3
Products applied to the face/body using fingertips
 0.1 % Category 8
Products with significant anogenital exposure
 0.051 %
Category 4
Products related to fine fragrance
 0.6 % Category 9
Products with body and hand exposure, primarily rinse off
 1.2 %
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 0.15 % Category 10A
Household care products with mostly hand contact
 1.2 %
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 0.15 % Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 4.2 %
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 0.15 % Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 0.051 %
Category 5D
Baby Creams, baby Oils and baby talc
 0.051 % Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 0.051 %
Category 6
Products with oral and lip exposure
 0.35 % Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction

Botanical

Name CAS Botanical Proportion
Armoise flower 8008-93-3 Artemisia vulgaris L., fam. Asteraceae (Compositae) 0.06%
Lemon balm (Finland) 8014-71-9 Melissa officinalis L., fam. Lamiaceae (Labiatae) 2.1%
Lemon balm (Germany) 8014-71-9 Melissa officinalis L., fam. Lamiaceae (Labiatae) 1.1%
Lemon balm (Spain) 8014-71-9 Melissa officinalis L., fam. Lamiaceae (Labiatae) 45.0%
Lemon balm 1 8014-71-9 Melissa officinalis L., fam. Lamiaceae (Labiatae) 31.9%
Lemon balm 2 8014-71-9 Melissa officinalis L., fam. Lamiaceae (Labiatae) 7.6%
Lemon balm 3 8014-71-9 Melissa officinalis L., fam. Lamiaceae (Labiatae) 22.54%
Basil (India), herb 8015-73-4 Ocimum basilicum L., fam. Lamiaceae (Labiatae) 0.63%
Basil (India), flower 8015-73-4 Ocimum basilicum L., fam. Lamiaceae (Labiatae) 0.81%
Basil (India), whole plant 8015-73-4 Ocimum basilicum L., fam. Lamiaceae (Labiatae) 0.96%
Basil (Italy) 1b dry leaves 8015-73-4 Ocimum basilicum L., fam. Lamiaceae (Labiatae) 0.1%
Basil (Italy) 1c frozen leaves 8015-73-4 Ocimum basilicum L., fam. Lamiaceae (Labiatae) 0.05%
Basil (Italy) 1d oleoresin dry leaves 8015-73-4 Ocimum basilicum L., fam. Lamiaceae (Labiatae) 0.05%
Basil (Italy) 1e oleoresin frozen leaves 8015-73-4 Ocimum basilicum L., fam. Lamiaceae (Labiatae) 0.05%
Basil (European) 2 8015-73-4 Ocimum basilicum L., fam. Lamiaceae (Labiatae) 0.1%
Basil (European) 1 8015-73-4 Ocimum basilicum L., fam. Lamiaceae (Labiatae) 0.2%
Bergamot (Argentina) 1 8007-75-8 Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.13%
Bergamot (Argentina) 2 8007-75-8 Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.23%
Bergamot (Italy, Calabria) 3 8007-75-8 Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.59%
Bergamot (China) 5 8007-75-8 Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.06%
Bergamot (China) 2 8007-75-8 Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.12%
Bergamot (China) 3 8007-75-8 Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.06%
Bergamot (China) 4 8007-75-8 Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.14%
Bergamot (France, Corsica) 8007-75-8 Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.58%
Bergamot (Italy) 1 8007-75-8 Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.31%
Bergamot (Italy) 2 8007-75-8 Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.35%
Bergamot (Ivory coast: Coci) 8007-75-8 Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.25%
Bergamot (Ivory coast: Diva) 8007-75-8 Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.25%
Bergamot (Italy, Tuscan) 8007-75-8 Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.21%
Bergamot (Italy, Calabria) 4 8007-75-8 Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.36%
Bergamot (Italy, Calabria) 6 8007-75-8 Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.36%
Bergamot (Italy, Calabria) 5 8007-75-8 Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.36%
Bergamot (China) 1 8007-75-8 Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.48%
Bois-de-Rose 2 8015-77-8 Aniba rosaeodora var. amazonica Ducke (A. duckei Kostemans),fam. Lauraceae 0.8%
Lemon (Spain) 7 84929-31-7 Citrus limon (L.) Burm. f., fam. Rutaceae 1.32%
Cardamom seed 1 8000-66-6 Elettaria cardamomum (L.) Maton, fam. Zingiberaceae 0.3%
Cardamom (Costa Rica) 8000-66-6 Elettaria cardamomum (L.) Maton, fam. Zingiberaceae 0.43%
Cardamom (Reunion) 8000-66-6 Elettaria cardamomum (L.) Maton, var. alpha-minor, fam. Zingiberaceae 0.3%
Cassia, branch & leaf (Australia) 8007-80-5 Cinnamomum cassia Blume, fam. Lauraceae 0.01%
Cassia, bark (Australia) 8007-80-5 Cinnamomum cassia Blume, fam. Lauraceae 0.01%
Cassie absolute (blossom) 8023-82-3 Acacia farnesiana (L.) Willd., fam. Mimosaceae (Leguminosae) 2.8%
Bitter orange leaf 1 (Petitgrain) 8014-17-3 Citrus aurantium L., ssp. amara Engl., fam. Rutaceae 0.01%
Cistus leaf 8016-26-0 Cistus ladaniferus L. var. maculatus Dun, fam. Cistaceae 1.9%
Citronella ceylon 2 8000-29-1 Cymbopogon nardus (L.) Rendle (Ceylon/Lenabutu type), fam. Poaceae (Gram.) 0.7%
Citronella java (China) 8000-29-1 Cymbopogon winterianus Jowitt., fam. Poaceae (Gramineae) 0.01%
Clementine (Italy) 1 Citrus clementina Hort. ex Tan., (C. deliciosa Ten. var. Clementina) 0.04%
Ginger (Australia) 1 8007-08-7 Zingiber officinale Roscoe, fam. Zingiberaceae 5.22%
Mandarin (Spain) 1 8008-31-9 Citrus deliciosa Tenore (C. reticulata Blanco, cv.mandarin), fam. Rutaceae 0.04%
Cymbopogon distans 2 (Himalaya) Cymbopogon distans (Steud.) Wats. (Chemotype 2), fam. Poaceae (Gramineae) 17.5%
Dragonhead Dracocephalum moldavica L., fam. Lamiaceae (Labiatae) 28.6%
Rose headspace 1 8007-01-0 Rosa damascena Mill., cv. Othello, fam. Rosaceae 2.26%
Grapefruit leaf (USA) 90045-43-5 Citrus paradisi Macfayden, fam. Rutaceae 0.85%
Orange, sweet (Italy) 5 8028-48-6 Citrus sinensis (L.) Osbeck, fam. Rutaceae 0.07%
Lemon (Italy-Sicily) 9 84929-31-7 Citrus limon (L.) Burm. f., fam. Rutaceae 1.59%
Clementine (Italy) 2 Citrus clementina Hort. ex Tan., (C. deliciosa Ten. var. Clementina) 0.06%
Clementine x Lemon (Italy) 1 Citrus clementina Hort. ex Tan. x Citrus limon (L.) Burm., fam. Rutaceae 1.24%
Mandarin leaf (Petitgrain mandarin.) (Japan) Citrus reticulata Blanco (C. deliciosa Tenore), fam. Rutaceae 0.1%
Orange, bitter (Italy) 72968-50-4 Citrus aurantium L., ssp. amara Engl., fam. Rutaceae 0.07%
Lavandin (Italy) 1 (Grosso) 8022-15-9 Lavandula x hybrida Rev. (L. x intermedia Emeric ex Loiseleur), Lamiaceae 0.01%
Lemon verbena (Morocco) 1 Aloysia triphylla (L'Herit.) Britton (Lippia citriodora (Lam.) O. Kuntze) 9.9%
Geranium (India) 8 8000-46-2 Pelargonium graveolens L'Herit. ex Aiton, fam. Geraniaceae 0.9%
Pelargonium citronellum Pelargonium citronellum J.J.A. v.d. Walt, fam. Geraniaceae 40.0%
Orange, sweet (USA) (hydrocarbon-free) 8028-48-6 Citrus sinensis (L.) Osbeck, fam. Rutaceae 4.21%
Yuzu (Japan) 3 Citrus junos Sieb. ex Tanaka, fam. Rutaceae 0.01%
Lemon (Japan) 4 84929-31-7 Citrus limon (L.) Burm. f., fam. Rutaceae 1.13%
Shima-mikan peel 1b Citrus kinokuni Hort. ex Tanaka, fam. Rutaceae 0.03%
Neroli bigarade (bitter orange flower) China 3 8016-38-4 Citrus aurantium L., ssp. amara Engl., fam. Rutaceae 0.48%
Citronella ceylon (China) 8000-29-1 Cymbopogon nardus (L.) Rendle, fam. Poaceae (Gramineae) 0.24%
Mandarin (China) 8008-31-9 Citrus deliciosa Tenore cv. Pongan (C. reticulata Blanco), fam. Rutaceae 0.74%
Lemongrass (China) 8007-02-1 Cymbopogon citratus (DC) Stapf (C. flexuosus), fam. Poaceae (Gramineae) 36.69%
Orange, sweet (China) 3 8028-48-6 Citrus sinensis (L.) Osbeck, fam. Rutaceae 1.84%
Rosa rugosa (China) 2 Rosa rugosa Thunb., fam. Rosaceae 0.65%
Grapefruit (Italy) 2 8016-20-4 Citrus paradisi Macfayden, fam. Rutaceae 0.11%
Lemon (Uraguay) 1 84929-31-7 Citrus limon (L.) Burm. f., fam. Rutaceae 1.2%
Magnolia grandiflora flower head space (China) 93062-76-1 Magnolia grandiflora L., fam. Magnoliaceae 1.3%
Vassoura (Brazil) 2 Baccharis dracunculifolia DC., fam. Asteraceae (Compositae) 0.01%
Bitter orange leaf (Petitgrain) (Japan) 8014-17-3 Citrus aurantium L., ssp. amara Engl., fam. Rutaceae 0.2%
Bitter orange leaf (Petitgrain) (USA) 1 8014-17-3 Citrus aurantium L., ssp. amara Engl., fam. Rutaceae 1.5%
Bitter orange leaf (Petitgrain) (China) 1 8014-17-3 Citrus aurantium L., ssp. amara Engl., fam. Rutaceae 0.01%
Bitter orange leaf (Petitgrain) (Spain) 2 8014-17-3 Citrus aurantium L., ssp. amara Engl., fam. Rutaceae 0.07%
Lemon leaf (petitgrain) 1 84929-31-7 Citrus limon (L.) Burm. f., fam. Rutaceae 29.0%
Lemon leaf (petitgrain) (Spain) 84929-31-7 Citrus limon (L.) Burm. f., fam. Rutaceae 12.5%
Lemon leaf (petitgrain) (Italy) 1 84929-31-7 Citrus limon (L.) Burm. f., fam. Rutaceae 33.0%
Lemon leaf (petitgrain) 2 84929-31-7 Citrus limon (L.) Burm. f., fam. Rutaceae 11.11%
Lemon leaf (petitgrain) (Italy) 2 84929-31-7 Citrus limon (L.) Burm. f., fam. Rutaceae 10.93%
Lemon leaf (petitgrain) (Russia) 84929-31-7 Citrus limon (L.) Burm. f., fam. Rutaceae 16.0%
Lemon leaf (petitgrain) (Italy) 3 84929-31-7 Citrus limon (L.) Burm. f., fam. Rutaceae 27.6%
Lime (Japan) leaf 90063-52-8 Citrus aurantifolia (Christm.) Swingle, fam. Rutaceae 40.0%
Lime (Mexican, West Indian, Key) leaf 8008-26-2 Citrus aurantifolia (Christm.) Swingle, fam. Rutaceae 10.0%
Lime (Mexican, West Indian, Key) (Nigeria) leaf 90063-52-8 Citrus aurantifolia (Christm.) Swingle, fam. Rutaceae 21.54%
Grapefruit leaf (Japan) 90045-43-5 Citrus paradisi Macfayden, fam. Rutaceae 0.6%
Grapefruit leaf (Taiwan) 90045-43-5 Citrus paradisi Macfayden, fam. Rutaceae 0.2%
Abies ernestii (China) Abies ernestii Rehd., fam. Pinaceae 0.18%
Orange leaf, sweet (Japan) Citrus sinensis (L.) Osbeck, fam. Rutaceae 2.2%
Orange leaf, sweet (USA) Citrus sinensis (L.) Osbeck, fam. Rutaceae 1.5%
Orange leaf, sweet (Taiwan) Citrus sinensis (L.) Osbeck, fam. Rutaceae 1.7%
Bergamot leaf (USA) Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.49%
Bergamot leaf (Taiwan) Citrus bergamia Risso et Poiteau, fam. Rutaceae 3.15%
Rough lemon leaf (USA) 1 Citrus jambhiri Lush., var. Florida, fam. Rutaceae 6.18%
Rough lemon leaf (USA) 2 Citrus jambhiri Lush., fam. Rutaceae 1.11%
Orange, sweet (Italy) 6b Navelina 8028-48-6 Citrus sinensis (L.) Osbeck, cultivar Navelina, fam. Rutaceae 0.13%
Orange, sweet (Italy) 6c Ovale 8028-48-6 Citrus sinensis (L.) Osbeck, cultivar Ovale, fam. Rutaceae 0.12%
Orange, sweet (Italy) 6d Valencia late 8028-48-6 Citrus sinensis (L.) Osbeck, cultivar Valencia late, fam. Rutaceae 0.13%
Orange, sweet (Italy) 6e Washington navel 8028-48-6 Citrus sinensis (L.) Osbeck, cultivar Washington navel, fam. Rutaceae 0.08%
Orange, sweet (Italy) 6f blood Moro 8028-48-6 Citrus sinensis (L.) Osbeck, cultivar Moro, fam. Rutaceae 0.09%
Orange, sweet (Italy) 6g blood Sanguinello 8028-48-6 Citrus sinensis (L.) Osbeck, cultivar Sanguinello, fam. Rutaceae 0.08%
Orange, sweet (Italy) 6h blood Tarocco 8028-48-6 Citrus sinensis (L.) Osbeck, cultivar Tarocco, fam. Rutaceae 0.07%
Orange, sweet (Italy) 8 Maltese 8028-48-6 Citrus sinensis (L.) Osbeck, cultivar Maltese, fam. Rutaceae 0.17%
Orange, sweet (Italy) 7 FMC process 8028-48-6 Citrus sinensis (L.) Osbeck, fam. Rutaceae 0.1%
Orange, sweet (Italy) 9a blond 8028-48-6 Citrus sinensis (L.) Osbeck, fam. Rutaceae 0.01%
Orange, sweet (Italy) 9b blood 8028-48-6 Citrus sinensis (L.) Osbeck, fam. Rutaceae 0.01%
Orange, sweet (Australia) 1a blond 8028-48-6 Citrus sinensis (L.) Osbeck, fam. Rutaceae 0.01%
Orange, sweet (Australia) 1b blood 8028-48-6 Citrus sinensis (L.) Osbeck, fam. Rutaceae 0.01%
Lemon balm (Slovak Republic) 8014-71-9 Melissa officinalis L., fam. Lamiaceae (Labiatae) 33.6%
Bergamot (Uruguay) 8007-75-8 Citrus bergamia Risso et Poiteau, fam. Rutaceae 0.25%
Marjoram, spanish (Spain) 3 8016-33-9 Thymus mastichina L., fam. Lamiaceae (Labiatae) 0.4%
Thymus baeticus (Spain) Thymus baeticus Bois ex Lacaita, fam. Lamiaceae (Labiatae) 0.2%
Tarragon (Lithuania) 1a 8016-88-4 Artemisia dracunculus L. (French type), fam. Asteraceae (Compositae) 0.01%
Tarragon (Lithuania) 1b 8016-88-4 Artemisia dracunculus L. (Russian type), fam. Asteraceae (Compositae) 0.03%
Tarragon (Lithuania) 1c 8016-88-4 Artemisia dracunculus L. (Russian type), fam. Asteraceae (Compositae) 0.03%
Palmarosa (India) 8 8014-19-5 Cymbopogon martini (Roxb.) Wats, var. motia Burk., fam. Poaceae 1.0%
Palmarosa 2 8014-19-5 Cymbopogon martini (Roxb.) Wats, var. martini, fam. Poaceae (Germacreae) 0.3%
Carob bean powder 2a raw 9000-40-2 Ceratonia siliqua L., fam. Leguminoseae 0.05%
Carob bean powder 2b roasted 9000-40-2 Ceratonia siliqua L., fam. Leguminoseae 0.06%
Eucalyptus citriodora (Rwanda) 8008-48-4 Eucalyptus citriodora Hook. f., fam. Myrtaceae 0.75%
Grapefruit (Japan) 2 8016-20-4 Citrus paradisi Macfayden, fam. Rutaceae 0.17%
Grapefruit (Italy) 3 Duncan 8016-20-4 Citrus paradisi Macfayden, cultivar Duncan, fam. Rutaceae 0.08%
Leptospermum petersonii Leptospermum petersonii (syn. L. citratum), fam. Myrtaceae 34.0%
Eucalyptus globulus (China) 4 residue 8016-26-0 Eucalyptus globulus Labill., fam. Myrtaceae 0.01%
Citrus lumia 1a Poire du Commandeur Citrus lumia Risso & Poit., cultivar Poire du Commandeur, fam. Rutaceae 0.1%
Citrus meyeri Citrus meyeri Y. Tan., fam. Rutaceae 0.1%
Citrus lumia 1b Citron sp. jaffa Citrus lumia Risso & Poit., cultivar Citron sp. jaffa, fam. Rutaceae 1.5%
Lemon (France-Corsica) 1a Lisbon 84929-31-7 Citrus limon (L.) Burm. f., cultivar Eureka, fam. Rutaceae 1.3%
Rosemary (France) 5 Corsica 8000-25-7 Rosmarinus officinalis L., fam. Lamiaceae (Labiatae) 0.1%
Lemon (France-Corsica) 1b Fino 84929-31-7 Citrus limon (L.) Burm. f., cultivar Fino, fam. Rutaceae 1.9%
Citrus pennivesiculata peel, Moi Citrus pennivesiculata (Luash.) Tan., cultivar Moi, fam. Rutaceae 0.8%
Lemon (France-Corsica) 1c Limoneira 84929-31-7 Citrus limon (L.) Burm. f., cultivar Limoneira, fam. Rutaceae 2.1%
Citrus species peel, Ichang Citrus species, cultivar Ichang, fam. Rutaceae 0.1%
Lemon (France-Corsica) 1d Berna 84929-31-7 Citrus limon (L.) Burm. f., cultivar Berna, fam. Rutaceae 2.0%
Lemon (France-Corsica) 1f Santa Teresa 84929-31-7 Citrus limon (L.) Burm. f., cultivar Santa Teresa, fam. Rutaceae 2.5%
Lemon (France-Corsica) 1d Lisbon 84929-31-7 Citrus limon (L.) Burm. f., cultivar Lisbon, fam. Rutaceae 1.3%
Lemon (France-Corsica) 1e Corpaci 84929-31-7 Citrus limon (L.) Burm. f., cultivar Corpaci, fam. Rutaceae 2.6%
Lemon (Italy-Sicily) 15a Femminello siracusano 84929-31-7 Citrus limon (L.) Burm. f., cultivar Femminello siracusano, fam. Rutaceae 1.5%
Lemon (France-Corsica) 1g Lapithou 84929-31-7 Citrus limon (L.) Burm. f., cultivar Lapithou, fam. Rutaceae 1.0%
Lemon (France-Corsica) 1h Menton 84929-31-7 Citrus limon (L.) Burm. f., cultivar Menton, fam. Rutaceae 1.1%
Lemon (France-Corsica) 1i Panache 84929-31-7 Citrus limon (L.) Burm. f., cultivar Panache, fam. Rutaceae 2.9%
Lemon (France-Corsica) 1j Barum 84929-31-7 Citrus limon (L.) Burm. f., cultivar Barum, fam. Rutaceae 0.2%
Citrus lumia 1c Citron de Borneo Citrus lumia Risso & Poit., cultivar Citron de Borneo, fam. Rutaceae 0.3%
Lemon (Italy-Sicily) 14a Sfumatrice method 84929-31-7 Citrus limon (L.) Burm. f., fam. Rutaceae 1.6%
Lemon (Italy-Sicily) 14b Pelatrice method 84929-31-7 Citrus limon (L.) Burm. f., fam. Rutaceae 1.7%