Citral

Description

Strong, lemon-like, found on Litsea cubeba. Widely used in many types of accords, mainly in citrus fragrances. Gives freshness and lift.

General Information

CategoryAromatic Compound
IUPAC Name3,7-dimethylocta-2,6-dienal
CAS Number5392-40-5
Molecular Weight152.23 g/mol
Canonical SMILESCC(=CCCC(=CC=O)C)C

Organoleptic Properties

Odor Family
Citrus
Odor Strength
1
2
3
4
5
Odor DescriptionFresh, Green, Juicy, Lemon, Lemon Peel, Sharp, Sweet, Tart
Substantivity12 hours at 100%

Physical Properties

AppearanceColorless to pale yellow clear liquid (est)
Specific Gravity0.885 to 0.891 @ 25 °C.
Pounds per Gallon7.364 to 7.414
Refractive Index1.486 to 1.49 @ 20 °C.
Vapor Pressure0.2 mmHg @ 20 °C.
Vapor Density5.2 ( Air = 1 )
Boiling Point228 to 229 °C. @ 760 mm Hg
Flash Point195 °F. TCC ( 90 °C. )
XLogP3
Acid Value3 max. KOH/g
Shelf Life24 months if stored properly
StorageStore in cool, dry place in tightly sealed containers, protected from heat and light.

IFRA

Standardhttps://ifrafragrance.org/standards/IFRA_STD_021.pdf
CategoryFlavor and fragrance agents
Critical EffectSensitization
Restrictions
Usage limits in the finished product
Cat. 1Category 1:0.11 %
Cat. 2Category 2:0.032 %
Cat. 3Category 3:0.1 %
Cat. 4Category 4:0.6 %
Cat. 5ACategory 5A:0.15 %
Cat. 5BCategory 5B:0.15 %
Cat. 5CCategory 5C:0.15 %
Cat. 5DCategory 5D:0.051 %
Cat. 6Category 6:0.35 %
Cat. 7ACategory 7A:0.2 %
Cat. 7BCategory 7B:0.2 %
Cat. 8Category 8:0.051 %
Cat. 9Category 9:1.2 %
Cat. 10ACategory 10A:1.2 %
Cat. 10BCategory 10B:4.2 %
Cat. 11ACategory 11A:0.051 %
Cat. 11BCategory 11B:0.051 %
Cat. 12Category 12:100%

Safety Information

PictogramsGHS07: Harmful
Hazard StatementH315 - Causes skin irritation
H317 - May cause an allergic skin reaction
Precautionary StatementP261 - Avoid breathing dust/fumes/gas/mist/vapours/spray
P264 - Wash … thoroughly after handling
P272 - Contaminated work clothing should not be allowed out of the workplace
P280 - Wear protective gloves/protective clothing/eye protection/face protection
P302 + P352 - IF ON SKIN: Wash with plenty of water/…
P333 + P313 - If skin irritation or a rash occurs: Get medical advice/attention
P362 - Take off contaminated clothing
P501 - Dispose of contents/container in accordance with local/regional/national/international regulations.
R-phrasesR38 - Irritating to skin
R43 - May cause sensitisation by skin contact
S-phrasesS02 - Keep out of the reach of children
S24/25 - Avoid contact with skin and eyes
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S37/39 - Wear suitable gloves and eye/face protection
Europe Standard HazardXi - Irritant

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