Pinane

Description

Pinane · CAS 473-55-2 · C10H18. UNII 140V20YT81. Boiling Point: 304 °F at 760 mmHg (NTP, 1992); Boiling Point: 169 °C; Melting Point: -53 °C.

Identification

CAS Registry Number	473-55-2
PubChem CID	10129
Molecular formula	C10H18
IUPAC name	2,6,6-trimethylbicyclo[3.1.1]heptane
UNII (FDA)	140V20YT81

Computed Descriptors

Molecular Weight	138.25
XLogP3	3.9
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	0
Exact Mass	138.140850574
Monoisotopic Mass	138.140850574
Topological Polar Surface Area	0
Heavy Atom Count	10
Formal Charge	0

Physical & Chemical Properties

Boiling Point	304 °F at 760 mmHg (NTP, 1992)
Boiling Point	169 °C
Melting Point	-53 °C
Flash Point	104 °F (NTP, 1992)
Density	0.8467
Vapor Pressure	5.16 [mmHg]
Autoignition Temperature	523 °F (NTP, 1992)
Autoignition Temperature	523 °F (273 °C)

Physical description & handling notes

• Pinane is a clear colorless liquid with lint-like particles. Mild odor. (NTP, 1992)
• CBI
• Colorless liquid with lint-like particles; [CAMEO] Oily liquid; [MSDSonline]
• Oil
• less than 1 mg/mL at 68 °F (NTP, 1992)
• 0.8467 at 70 °F (NTP, 1992) - Less dense than water; will float

GHS Hazard Classification

Reported hazard statements	H226 (100%), H304 (57.4%), H411 (33.8%)

Documented Uses

• Used to make 3,7-dimethyl-1,6-octadiene (perfumery intermediate); [HSDB]
• Pinane is used in industry for the production of pinane hydroperoxide. It is also important as an intermediate in the production of 3,7-dimethylocta-1,6-diene, which is used to produce perfumes, such as citronellol, citronellal and hydroxycitronellal.
• ... an important starting material in the industrial processes used in the fragrance and flavor industry
• ... use as a polymerization accelerator for rubber
• CHEM INT FOR 3,7-DIMETHYL-1,6-OCTADIENE, A PERFUMERY INT
• HYDROGENATION OF ALPHA-PINENE, BETA-PINENE OR AN ISOMERIC MIXTURE

Synonyms

Pinane; 473-55-2; 2,6,6-Trimethylbicyclo[3.1.1]heptane; DIHYDROPINENE; Bicyclo[3.1.1]heptane, 2,6,6-trimethyl-; DTXSID7025922; Bicyclo(3.1.1)heptane, 2,6,6-trimethyl-; 2,6,6-Trimethylbicyclo(3.1.1)heptane; DTXCID705922; CHEBI:35710; NSC-76674; 140V20YT81; RefChem:174302; 2,6,6-trimethylbicyclo(3.1.1)heptane;pinane; 207-467-1; Pinane, endo + exo

Frequently Asked Questions

What are the CAS number and molecular formula of Pinane?

CAS 473-55-2; molecular formula C10H18; molecular weight — g/mol.

What other names is Pinane known by?

Pinane, 473-55-2, 2,6,6-Trimethylbicyclo[3.1.1]heptane, DIHYDROPINENE, Bicyclo[3.1.1]heptane, 2,6,6-trimethyl-, DTXSID7025922.

Is Pinane classified as hazardous?

Hazard statements reported: H226, H304, H411.

What are the key physical properties of Pinane?

Boiling Point: 304 °F at 760 mmHg (NTP, 1992); Boiling Point: 169 °C; Melting Point: -53 °C; Flash Point: 104 °F (NTP, 1992).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.