p-menthane

Description

1-isopropyl-4-methylcyclohexane · CAS 99-82-1 · C10H20. UNII CGW5GN8TXU. Boiling Point: 170.9 °C AT 725 MM HG; Boiling Point: 170.00 to 171.00 °C. @ 760.00 mm Hg; Melting Point: -89.84 °C.

Identification

CAS Registry Number	99-82-1
PubChem CID	7459
Molecular formula	C10H20
IUPAC name	1-methyl-4-propan-2-ylcyclohexane
UNII (FDA)	CGW5GN8TXU

Computed Descriptors

Molecular Weight	140.27
XLogP3	4.5
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	1
Exact Mass	140.156500638
Monoisotopic Mass	140.156500638
Topological Polar Surface Area	0
Heavy Atom Count	10
Formal Charge	0

Physical & Chemical Properties

Boiling Point	170.9 °C AT 725 MM HG
Boiling Point	170.00 to 171.00 °C. @ 760.00 mm Hg
Melting Point	-89.84 °C
Melting Point	-87.6 °C
Solubility	0.00028 mg/mL at 25 °C
Density	0.8039 AT 20 °C/4 °C
Vapor Pressure	2.69 [mmHg]
LogP	5.56

Physical description & handling notes

• P-menthane is a clear liquid. (NTP, 1992)
• Liquid
• Clear liquid; [CAMEO] Nearly colorless liquid with a pine-like odor; [MSDSonline]
• less than 1 mg/mL at 70 °F (NTP, 1992)
• INSOL IN WATER; SOL IN BENZENE, PETROLEUM ETHER; VERY SOL IN ALCOHOL, ETHER
• INDEX OF REFRACTION: 1.4431 AT 20 °C/D; SADTLER REF NUMBER: 20221 (IR, PRISM); MAX ABSORPTION (ISOOCTANE): 220 NM (LOG E= -0.67); 250 NM (LOG E= -1.38)

GHS Hazard Classification

Reported hazard statements	H226 (100%), H304 (95.5%), H315 (93.7%), H400, H411

Documented Uses

• Used as a cleaner; [MSDSonline]
• All Other Basic Organic Chemical Manufacturing
• Cyclohexane, 1-methyl-4-(1-methylethyl)-: ACTIVE
• Cyclohexane, 1-methyl-4-(1-methylethyl)-, trans-: ACTIVE
• Cyclohexane, 1-methyl-4-(1-methylethyl)-, cis-: ACTIVE

Synonyms

1-methyl-4-isopropylcyclohexane; RefChem:1055810; p-Menthane; 99-82-1; 6069-98-3; cis-1-isopropyl-4-methylcyclohexane; 1678-82-6; 1-ISOPROPYL-4-METHYLCYCLOHEXANE; trans-1-isopropyl-4-methylcyclohexane; cis-p-Menthane; trans-p-Menthane; p-Menthane, trans-; p-Menthane, cis-; 1-iso-Propyl-4-methylcyclohexane; Cyclohexane, 1-methyl-4-(1-methylethyl)-, trans-; p-Menthan

Frequently Asked Questions

What are the CAS number and molecular formula of 1-isopropyl-4-methylcyclohexane?

CAS 99-82-1; molecular formula C10H20; molecular weight — g/mol.

What other names is 1-isopropyl-4-methylcyclohexane known by?

1-methyl-4-isopropylcyclohexane, RefChem:1055810, p-Menthane, 99-82-1, 6069-98-3, cis-1-isopropyl-4-methylcyclohexane.

Is 1-isopropyl-4-methylcyclohexane classified as hazardous?

Hazard statements reported: H226, H304, H315, H400, H411.

What are the key physical properties of 1-isopropyl-4-methylcyclohexane?

Boiling Point: 170.9 °C AT 725 MM HG; Boiling Point: 170.00 to 171.00 °C. @ 760.00 mm Hg; Melting Point: -89.84 °C; Melting Point: -87.6 °C.

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.