异壬烷

Description

isononane · CAS 34464-40-9 · C9H20. UNII AV5KXW7I9L. Boiling Point: 143.20 °C. @ 760.00 mm Hg; Melting Point: -80.1 °C; Vapor Pressure: 6.21 [mmHg].

Identification

CAS Registry Number	34464-40-9
PubChem CID	18591
Molecular formula	C9H20
IUPAC name	2-methyloctane
UNII (FDA)	AV5KXW7I9L

Computed Descriptors

Molecular Weight	128.25
XLogP3	4.8
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	5
Exact Mass	128.156500638
Monoisotopic Mass	128.156500638
Topological Polar Surface Area	0
Heavy Atom Count	9
Formal Charge	0

Physical & Chemical Properties

Boiling Point	143.20 °C. @ 760.00 mm Hg
Melting Point	-80.1 °C
Vapor Pressure	6.21 [mmHg]

Physical description & handling notes

• Clear colorless liquid; [Sigma-Aldrich MSDS]
• Liquid

GHS Hazard Classification

Reported hazard statements	H226 (100%), H304 (15.2%), H315 (13%), H319 (13%), H335 (13%), H336 (13%), H400 (13%), H410 (13%)

Synonyms

2-METHYLOCTANE; 3221-61-2; Octane, 2-methyl-; AV5KXW7I9L; NSC-23695; DTXSID30863125; RefChem:1063840; DTXCID20811791; 221-748-6; Isononane; 2-Methyl octane; Heptane, dimethyl-; 2-methyl-octane; DIMETHYLHEPTANE; 34464-40-9; MFCD00027307

Frequently Asked Questions

What are the CAS number and molecular formula of isononane?

CAS 34464-40-9; molecular formula C9H20; molecular weight — g/mol.

What other names is isononane known by?

2-METHYLOCTANE, 3221-61-2, Octane, 2-methyl-, AV5KXW7I9L, NSC-23695, DTXSID30863125.

Is isononane classified as hazardous?

Hazard statements reported: H226, H304, H315, H319, H335.

What are the key physical properties of isononane?

Boiling Point: 143.20 °C. @ 760.00 mm Hg; Melting Point: -80.1 °C; Vapor Pressure: 6.21 [mmHg].

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.