Ingredient Dictionary

BETA-PINENES

Beta-pinene is an isomer of pinene with an exocyclic double bond.

Definition

Beta-pinene is an isomer of pinene with an exocyclic double bond. It is a component of essential oils from many plants. It has a role as a plant metabolite.

Source: PubChem

US FDA substance register · UNII 4MS8VHZ1HJ · registered name β-Pinene · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Gives the product a scentPERFUMING

Safety & regulatory references

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

Source: Korea toxic substances GHS register (NIER)

Restriction III/130 · Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

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

Names & identifiers

BETA-PINENESINCIBicyclo[3.1.1]heptane, 6,6-dimethyl-2-methylene-Synonym

CAS No.chemical registry number: 127-91-3
EC No.EU chemical inventory number: 204-872-5
DTXSIDUS EPA chemical ID: DTXSID7027049
DTXCIDUS EPA compound ID: DTXCID507049

IUPAC: 6,6-Dimethyl-2-methylidenebicyclo[3.1.1]heptane
Molecular formula: C10H16
Molecular weight: 136.238 g/mol

Measured properties

Appearance: liquid
Colour: colourless
Melting/freezing point: -62 ℃
Initial boiling point and range: 158~166 ℃
Flash point: 31 ℃
Upper/lower flammability or explosive limits: 6.67 / 0.80 %
Vapour pressure: 2.93 ㎜Hg(25 C)
Relative density: 0.864~0.8742 ()
n-Octanol/water partition coefficient (Kow): 4.16
Auto-ignition temperature: 255 ℃
Viscosity: 1.594 cP(25 C)
Molecular weight: 136.24

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: KOSHA safety data sheets (Korea)

What products actually use it for

What the 128 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.

Fragrance121
Flavouring and nutrient3
Deodorizer2
Intermediate1
Monomers1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

5 skin studies and 3 eye studies are on record.

Classed as highly irritating1Classed as moderate1

The studies disagree (the most common conclusion covers 50%), so they do not establish that this ingredient is irritating. These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 8 studies

Category 6.5B (Category 1)
Skin Sensitization · Read Across
Category 6.3A (Category 2)
Skin Irritation · Read Across
Category 1
Skin Sensitization · Screening
Category 2
Skin Irritation · Screening
High Frequency of Sensitization
skin sensitisation: in vivo (LLNA) · Screening · according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay)
Category 6.4A (Category 2A)
Eye Irritation · Read Across
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion) according to
Classification not possible
Eye Irritation · Screening