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Ingredient Dictionary

CITRAL

Geranial is a monoterpenoid that is (2E,6E)-octa-2,6-dienal substituted by methyl groups at positions 3 and 7.

Molecular structure

How much products actually contain

No product states its amount yet.

Of the products containing it, 139 list it before the 1% line and 873 after it (usually 1% or less).

Products using this ingredient

12 of 1,010 confirmed · likeliest to carry enough first · See all 1,010

Definition

US FDA substance register · UNII T7EU0O9VPP · registered name Citral · mixture

Source: US FDA Unique Ingredient Identifier (UNII)

Geranial is a monoterpenoid that is (2E,6E)-octa-2,6-dienal substituted by methyl groups at positions 3 and 7. It has a role as a volatile oil component and a plant metabolite. It is a polyprenal, a monoterpenoid and an enal.

Source: PubChem

Citral is the aldehyde that conforms to the formula:

Cosmetic roles

Gives the product a scentPERFUMINGListed as a fragrance-composition material (not a claim that it adds scent)FRAGRANCEAdds flavour (lip and oral products)FLAVOURING

Safety & regulatory references

Restricted
International fragrance standard (IFRA) · United Kingdom

Source: EU Cosmetics Regulation · IFRA fragrance standards · MFDS (Korea) cosmetic regulatory information · UK cosmetics regulations (OPSS)

European Union

  • Other : The presence of the substance or substances shall be indicated as ‘Citral’ in the list of ingredients referred to in Article 19(1), point (g), when the concentration of the substance or substances exceeds: — 0,001 % in leave-on products — 0,01 % in rinse-off products.

Source: MFDS (Korea) cosmetic regulatory information

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

Restriction III/70

Source: EU CosIng ingredient list

More data — names, identifiers, properties, test records, literature

Official labels & definitions

JCIA labelling name シトラール: 本品は、次の化学式で表されるテルペンアルデヒドである。

Source: JCIA labelling names (Japan)

Names & identifiers

CITRALINCI시트랄Korean label name (MFDS standard)2,6-Octadienal, 3,7-dimethyl-SynonymシトラールJapanese labelling name
CAS No.chemical registry number
106-26-3
CAS No.chemical registry number
141-27-5
CAS No.chemical registry number
5392-40-5
EC No.EU chemical inventory number
226-394-6
DTXSIDUS EPA chemical ID
DTXSID6024836
DTXCIDUS EPA compound ID
DTXCID304836
IUPAC
3,7-Dimethylocta-2,6-dienal
Molecular formula
C10H16O
Molecular weight
152.237 g/mol

Measured properties

Appearance
Citral appears as a clear yellow colored liquid with a lemon-like odor. Less dense than water and insoluble in water. Toxic by ingestion. Used to make other chemicals. · CBI, Dry Powder, Liquid
Odour
Strong lemon odor
Boiling point
444 °F at 760 mmHg (Decomposes) (NTP, 1992) · 229 °C
Melting point
Melting point <-10 °C.
Solubility
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.
Density
0.891 to 0.897 at 59 °F (NTP, 1992) · 0.891-0.897 at 15 °C
Stability
NOT STABLE TO ALKALIES AND STRONG ACIDS
pH
ACID VALUE: 5.0 MAX · &amp, lt, 5
Odour threshold
28~460 ppb (28~120ppb(alpha-citral), 32~460ppb(beta-citral))
Melting/freezing point
&amp, lt, -20 ℃
Initial boiling point and range
230 ℃
Flash point
82 ℃(c.c.)
Vapour pressure
4.6 ㎩(20℃)
Water solubility
420 ㎎/ℓ(25°C)
Vapour density
5.3
Relative density
0.89 (20℃)
n-Octanol/water partition coefficient (Kow)
2.76 (25°C)
Auto-ignition temperature
225 ℃
Decomposition temperature
180 ℃
Viscosity
2.42 ㎟/s(static, 20℃)
Molecular weight
152.23

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: PubChem · KOSHA safety data sheets (Korea)

What products actually use it for

What the 923 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

  • Fragrance904
  • Deodorizer8
  • Flavouring and nutrient6
  • Biocide2
  • Intermediate1
  • No specific technical function1
  • Processing aids not otherwise specified1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

11 skin studies and 2 eye studies are on record.

Classed as moderate2

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 13 studies
  • Skin sensitization - Category 1B
    Skin Sensitization · Screening
  • Category 6.3B (Category 3)
    Skin Irritation · Read Across
  • Category 2
    Skin Irritation · Screening
  • Skin Irrit. 2
    Skin Irritation · Authoritative
  • Category 6.5B (Category 1)
    Skin Sensitization · Read Across
  • Category 1
    Skin Sensitization · Screening
  • Skin Sens. 1
    Skin Sensitization · Authoritative
  • Category 6.3A (Category 2)
    Skin Irritation · Read Across
  • Skin corrosion/irritation - Category 2
    Skin Irritation · Screening
  • Skin sensitisation - category 1
    Skin Sensitization · Screening
  • Skin irritation - category 2
    Skin Irritation · Screening
  • Serious eye damage/eye irritation - Category 2A
    Eye Irritation · Screening
  • Not classified
    Eye Irritation · Screening

Source: US EPA CompTox dashboard

Related literature

Linked databases 24

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