• Identifiers

    CAS mumber
    497-03-0

    Molecular formula
    C5H8O

    SMILES
    C/C=C(\C)/C=O

    Retention indicies (RI)

    • DB5: 676.0
    • Carbowax: 1091.0
  • Properties

    XLogP3-AA
    0.9 Well soluble in MMB, TEC, DEP

    Molecular weight
    84.12 g/mol

    Solubilities

    • Slightly soluble in water; soluble in ether and most oils
    • soluble (in ethanol)

  • Synonyms

    • trans-2-Methyl-2-butenal
    • Tiglic aldehyde
    • 497-03-0
    • Tiglaldehyde
    • (E)-2-Methylbut-2-enal
    • Tiglinaldehyde
    • 1115-11-3
    • 2-methylbut-2-enal
    • 2,3-Dimethylacrolein
    • 2-Butenal, 2-methyl-
    • 2-Butenal, 2-methyl-, (2E)-
    • 2-Methylcrotonaldehyde
    • trans-Tiglaldehyde
    • 2-Butenal, 2-methyl-, (E)-
    • E-2-Methyl-2-butenal
    • trans-2,3-Dimethylacrolein
    • trans-Methyl-2-butenal
    • 2-METHYL-2-BUTENAL
    • Crotonaldehyde, 2-methyl-, (E)-
    • FEMA No. 3407
    • 2-methyl-(E)-2-butenal
    • Tiglic acid aldehyde
    • MFCD00006977
    • NSC-2179
    • (2E)-2-methylbut-2-enal
    • 27ZVE2K81C
    • DTXSID1049308
    • ACWQBUSCFPJUPN-HWKANZROSA-
    • (e)-2-methyl-2-butenal
    • 2-METHYL-2-BUTENAL [FHFI]
    • 6038-09-1
    • NSC 2179
    • trans-2-Methylcrotonaldehyde
    • Tigaldehyde, trans-
    • 2-Methyl-2-butenal, trans-
    • 2-Methylcrotonaldehyde, (E)-
    • 2-Methyl-2-butenal, (E)-
    • (2Z)-2-methylbut-2-enal
    • 2-Butenal,2-methyl-(Z)-
    • 2-Methylbut-2-en-1-al, (E)-
    • EINECS 207-833-0
    • DTXSID00859414
    • UNII-27ZVE2K81C
    • AI3-24379
    • CCRIS 8097
    • 2,3Dimethylacrolein
    • 2Methylcrotonaldehyde
    • alpha-methylcrotonaldehyde
    • alpha,beta-dimethylacrolein
    • Tiglic aldehyde, >=96%
    • trans-2-methyl-but-2-enal
    • CHEMBL53493
    • DTXCID0029264
    • 2-Butenal,2-methyl-, (Z)-
    • DTXCID70809729
    • NSC2179
    • Tox21_202837
    • AKOS015912688
    • NCGC00260383-01
    • CAS-497-03-0
    • NS00022239
    • T1003
    • trans-2-Methyl-2-butenal, analytical standard
    • D92433
    • EN300-109078
    • EN300-304066
    • Q3045687
    • trans-2-Methyl-2-butenal, sum of isomers, >=99%, FG
1 of 3
Name CAS Botanical Proportion
Orange leaf, sweet (North Africa) 2 Citrus sinensis (L.) Osbeck, cultivar Sanguine, fam. Rutaceae 0.38%
Orange leaf, sweet (North Africa) 3 Citrus sinensis (L.) Osbeck, cultivar Valencia late, fam. Rutaceae 0.02%
Orange leaf, sweet (North Africa) 4 Citrus sinensis (L.) Osbeck, cultivar Washington navel, fam. Rutaceae 0.03%
Hyacinth, picked flower headspace 1b Hyacinthus orientalis L., fam. Liliaceae 0.01%
Tulip sylvestre Tulipa sylvestris L., fam. Liliaceae 0.03%
Chicory root, roasted 1a 68650-43-1 Cichorium intybus L., fam. Asteraceae (Compositae) 0.01%
Chicory root, roasted 1b 68650-43-1 Cichorium intybus L., fam. Asteraceae (Compositae) 0.02%
Carob bean extract 1 9000-40-2 Ceratonia siliqua L., fam. Leguminoseae 0.1%
Carob bean powder 2a raw 9000-40-2 Ceratonia siliqua L., fam. Leguminoseae 0.03%
Carob bean powder 2b roasted 9000-40-2 Ceratonia siliqua L., fam. Leguminoseae 0.03%
Cassie absolute 1b headspace 8023-82-3 Acacia farnesiana (L.) Willd., fam. Mimosaceae (Leguminosae) 1.5%