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95594

Sigma-Aldrich

4-(4-Hydroxy-4-methylpentyl)-3-cyclohexene-1-carboxaldehyde

mixture of isomers, ≥97.0% (GC)

Synonym(s):

4-(4-Hydroxy-4-methylpentyl)-3-cyclohexene-1-carboxaldehyde, 4-(4-Hydroxy-4-methylpentyl)-3-cyclohexenecarboxaldehyde, 4-(4-Methyl-4-hydroxyamyl)cyclohex-3-ene carboxaldehyde, Landolal, Liral

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About This Item

Empirical Formula (Hill Notation):
C13H22O2
CAS Number:
31906-04-4
Molecular Weight:
210.31
EC Number:
250-863-4
MDL number:
MFCD00019423
UNSPSC Code:
12352100
PubChem Substance ID:
57653687
NACRES:
NA.22

Assay

≥97.0% (GC)

form

liquid

density

0.995 g/mL at 20 °C

functional group

aldehyde
hydroxyl

storage temp.

2-8°C

SMILES string

[H]C(=O)C1CCC(CCCC(C)(C)O)=CC1

InChI

1S/C13H22O2/c1-13(2,15)9-3-4-11-5-7-12(10-14)8-6-11/h5,10,12,15H,3-4,6-9H2,1-2H3

InChI key

ORMHZBNNECIKOH-UHFFFAOYSA-N

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Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

275.2 °F

Flash Point(C)

135.1 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCL0063
BCCK1463
BCCK2524
BCCJ8066
BCCC1921

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Is hydroxyisohexyl 3-cyclohexene carboxaldehyde sensitization declining in central Europe?
Axel Schnuch et al.
Contact dermatitis, 67(1), 47-49 (2012-06-12)
Maria V Heisterberg et al.
Contact dermatitis, 63(5), 270-276 (2010-10-16)
Fragrance mix II (FM II) is a relatively new screening marker for fragrance contact allergy. It was introduced in the patch test baseline series in Denmark in 2005 and contains six different fragrance chemicals commonly present in cosmetic products and
W Uter et al.
Journal of the European Academy of Dermatology and Venereology : JEADV, 21(3), 374-379 (2007-02-21)
Assessment of the value of patch testing patients' own perfumes, eau de toilette, deodorants and shaving lotions with regard to diagnosing contact allergy to fragrances, and an analysis of the spectrum of concurrent patch test reactions to single fragrance allergens.
Rodrigo Carvalho et al.
Cutaneous and ocular toxicology, 30(3), 249-250 (2011-02-25)
Hydroxyisohexyl 3-cyclohexene carboxaldehyde (HICC)-Lyral® is a widely used synthetic fragrance found in personal care and household products. It is an aldehyde, lipophilic enough to penetrate the skin and is a frequent cause of contact sensitization. Describe the frequency of contact
Maria V Heisterberg et al.
Contact dermatitis, 65(5), 266-275 (2011-09-29)
Fragrance ingredients are a frequent cause of allergic contact dermatitis. The EU Cosmetics Directive states that 26 specific fragrance ingredients, known to cause allergic contact dermatitis, must be declared on the ingredient lists of cosmetic products. To investigate frequencies of
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