Free lookupCAS 80-56-8

(+-)-alpha-Pinene

CAS 80-56-8 · PubChem CID 6654 · C10H16 · 136.23 g/mol

Also called ALPHA-PINENE, 2,6,6-Trimethylbicyclo[3.1.1]hept-2-ene, Acintene A, pin-2(3)-ene, alfa-Pinene.

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Opens the builder with (+-)-alpha-Pinene loaded
as component 1 at 100%.

01GHS classification

Flammable

Corrosive

Irritant

Health Hazard

Environmental Hazard

Signal word

Danger

European Chemicals Agency (ECHA) — fetched 2026-08-29

Precautionary statement codes

P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P270, P272, P273, P280, P301+P316, P301+P317, P302+P352, P303+P361+P353, P305+P354+P338, P317, P321, P330, P331, P332+P317, P333+P317, P362+P364, P370+P378, P391, P403+P235, P405, and P501

European Chemicals Agency (ECHA) — fetched 2026-08-29

H226Flammable liquid and vapor

European Chemicals Agency (ECHA) — fetched 2026-08-29

H302Harmful if swallowed

European Chemicals Agency (ECHA) — fetched 2026-08-29

H304May be fatal if swallowed and enters airways

European Chemicals Agency (ECHA) — fetched 2026-08-29

H315Causes skin irritation

European Chemicals Agency (ECHA) — fetched 2026-08-29

H317May cause an allergic skin reaction

European Chemicals Agency (ECHA) — fetched 2026-08-29

H318Causes serious eye damage

European Chemicals Agency (ECHA) — fetched 2026-08-29

H400Very toxic to aquatic life

European Chemicals Agency (ECHA) — fetched 2026-08-29

H410Very toxic to aquatic life with long lasting effects

European Chemicals Agency (ECHA) — fetched 2026-08-29

02Physical and chemical properties

Appearance

Alpha-pinene appears as a clear colorless liquid with a turpentine odor. Flash point 91 °F. Less dense than water and insoluble in water. Vapors are heavier than air. Used as a solvent.

CAMEO Chemicals — fetched 2026-08-29

Odour

Characteristic odor of pine

Hazardous Substances Data Bank (HSDB) — fetched 2026-08-29

Melting point

-62.5 °C

Hazardous Substances Data Bank (HSDB) — fetched 2026-08-29

Boiling point

no value printed

unsourced — inference candidate

Flash point

91 °f (33 °c) (closed cup)

Hazardous Substances Data Bank (HSDB) — fetched 2026-08-29

Auto-ignition temperature

no value printed

unsourced — inference candidate

Flammable limits

no value printed

unsourced — inference candidate

Vapour pressure

4.75 mm Hg at 25 °C

Hazardous Substances Data Bank (HSDB) — fetched 2026-08-29

Relative density

Density: 0.8592 at 20 °C/4 °C

Hazardous Substances Data Bank (HSDB) — fetched 2026-08-29

Solubility in water

Almost insoluble in propylene glycol & glycerine

Hazardous Substances Data Bank (HSDB) — fetched 2026-08-29

Partition coefficient, log Kow

log Kow = 4.83

Hazardous Substances Data Bank (HSDB) — fetched 2026-08-29

Viscosity

1.303 cP at 25 °C

Hazardous Substances Data Bank (HSDB) — fetched 2026-08-29

03Toxicological information

No published acute toxicity value was found for this substance in the sources we read. On a document, Section 11 would print unsourced — inference candidate rather than an estimate.

This page is the evidence. The document is the deliverable.

Everything above is free and stays free. For $5 the same sourced values are assembled into a 16-section safety data sheet and a print-ready GHS label carrying your company details in Section 1.

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What we read

Hazardous Substances Data Bank (HSDB), European Chemicals Agency (ECHA), CAMEO Chemicals.

23 sourced records for this substance are in the ledger. Values dated more than 30 days ago are re-fetched on the next document.

04Also in the ledger

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