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HomeProduct name list(1S)-(-)-alpha-Pinene

(1S)-(-)-alpha-Pinene

Synonym(s):(-)-alpha-Pinene;(1S)-2,6,6-Trimethylbicyclo[3.1.1]hept-2-ene;(-)-α-Pinene;(1S)-(-)-α-Pinene;(1S)-(?)-α-Pinene

  • CAS NO.:7785-26-4
  • Empirical Formula: C10H16
  • Molecular Weight: 136.23
  • MDL number: MFCD00064145
  • EINECS: 232-077-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:08:52
(1S)-(-)-alpha-Pinene Structural

What is (1S)-(-)-alpha-Pinene?

Chemical properties

(1S)-(-)-alpha-Pinene is clear colourless liquid

The Uses of (1S)-(-)-alpha-Pinene

(1S)-(-)-alpha-Pinene is used in the preparation of hydroxy ketones such as hydroxycarvones.

The Uses of (1S)-(-)-alpha-Pinene

(1S)-(-)-α-Pinene is used in the preparation of hydroxy ketones such as hydroxycarvones.

Definition

ChEBI: (-)-alpha-pinene is an alpha-pinene. It is an enantiomer of a (+)-alpha-pinene.

What are the applications of Application

(?)-α-Pinene is a component of pine resin and a useful chiral synthetic intermediate

General Description

α-Pinene is a monoterpene used in industries like fragrance, pharmaceuticals, flavor, and cosmetics. It is a major component of pine oil and turpentine oil. Isomerization of α-pinene yields industrially important compounds like camphene, limonene, and p-cymene.

Purification Methods

Purify as for 1R,5S--Pinene above. [Beilstein 5 III 366, 5 IV 455.]

Properties of (1S)-(-)-alpha-Pinene

Melting point: -64 °C(lit.)
Boiling point: 156-158 °C(lit.)
alpha  -41.5 º (c=neat)
Density  0.874 g/mL at 25 °C
vapor density  4.7 (vs air)
vapor pressure  ~3 mm Hg ( 20 °C)
refractive index  n20/D 1.466
FEMA  2902 | ALPHA-PINENE
Flash point: 90 °F
storage temp.  Store at +2°C to +8°C.
solubility  Chloroform (Sparingly), Methanol (Slightly)
form  Liquid
color  Clear colorless
Odor at 10.00 % in dipropylene glycol. sharp warm resinous fresh pine
explosive limit 0.8%(V)
optical activity [α]22/D 42°, neat
Water Solubility  INSOLUBLE
Merck  14,7445
JECFA Number 1329
BRN  1903790
CAS DataBase Reference 7785-26-4(CAS DataBase Reference)
NIST Chemistry Reference (1s)-2,6,6-Trimethylbicyclo[3.1.1]hept-2-ene(7785-26-4)
EPA Substance Registry System 2-Pinene, (1S,5S)-(-)- (7785-26-4)

Safety information for (1S)-(-)-alpha-Pinene

Signal word Danger
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Exclamation Mark
Irritant
GHS07
ghs
Health Hazard
GHS08
ghs
Environment
GHS09
GHS Hazard Statements H226:Flammable liquids
H302:Acute toxicity,oral
H304:Aspiration hazard
H315:Skin corrosion/irritation
H317:Sensitisation, Skin
H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P331:Do NOT induce vomiting.
P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

Computed Descriptors for (1S)-(-)-alpha-Pinene

InChIKey GRWFGVWFFZKLTI-UHFFFAOYSA-N

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