十二烷，苯基-

Description

Dodecane, phenyl- · CAS 29986-57-0 · C18H30. UNII A2AX003680. Boiling Point: 627.8 °F at 760 mmHg (NTP, 1992); Boiling Point: 328 °C; Boiling Point: 290-410 °C.

Identification

CAS Registry Number	29986-57-0
PubChem CID	31237
Molecular formula	C18H30
IUPAC name	dodecylbenzene
UNII (FDA)	A2AX003680

Computed Descriptors

Molecular Weight	246.4
XLogP3	8.8
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	11
Exact Mass	246.234750957
Monoisotopic Mass	246.234750957
Topological Polar Surface Area	0
Heavy Atom Count	18
Formal Charge	0

Physical & Chemical Properties

Boiling Point	627.8 °F at 760 mmHg (NTP, 1992)
Boiling Point	328 °C
Boiling Point	290-410 °C
Melting Point	19.4 °F (NTP, 1992)
Melting Point	3 °C
Flash Point	275 °F (NTP, 1992)
Flash Point	285 °F
Flash Point	140.6 °C
Density	0.8851 @ 20 °C/4 °C
Vapor Density	8.47 (AIR= 1)

Physical description & handling notes

• Dodecylbenzene is a colorless liquid with a weak oily odor. Floats on water. (USCG, 1999)
• Colorless liquid; [ICSC]
• COLOURLESS LIQUID.
• COLORLESS LIQUID
• WEAK OILY ODOR
• less than 1 mg/mL at 77 °F (NTP, 1992)

Regulatory Status

GHS notification summary	46.9% (53 / 113)

GHS Hazard Classification

GHS notification summary	46.9% (53 / 113)
Reported hazard statements	H315 (17.7%), H400 (17.7%), H410 (17.7%), H413 (34.5%)

Documented Uses

• CHEM INT FOR LINEAR ALKYLBENZENESULFONATE SURFACTANTS, DODECYLNITROBENZENE, DODECYLANILINE, DODECYLBENZYL CHLORIDE
• AS VEHICLE & SOLVENT FOR POLYNUCLEAR AROMATICS IN CARCINOGENESIS STUDIES
• SOLVENT FOR ORGANOPHOSPHORUS INSECTICIDES
• USED TO PRODUCE ARYLALKYL SULFONATES IN SOAP & DETERGENT INDUSTRY; HAS BEEN APPLIED AS SOLVENT & CHEM VEHICLE
• Alkylation of benzene with isomeric dodecenes, obtained by polymerization of propylene.
• ...BY ALKYLATION OF BENZENE WITH PROPYLENE TETRAMER...

Synonyms

DODECYLBENZENE; 123-01-3; 1-Phenyldodecane; n-Dodecylbenzene; Benzene, dodecyl-; Laurylbenzene; Marlican; Dodecane, 1-phenyl-; Phenyldodecan; Dodecylbenzene, crude; DTXSID7026994; DTXCID706994; RefChem:135513; 204-591-8; Phenyldodecane; Dodecane, phenyl-

Frequently Asked Questions

What are the CAS number and molecular formula of Dodecane, phenyl-?

CAS 29986-57-0; molecular formula C18H30; molecular weight — g/mol.

What other names is Dodecane, phenyl- known by?

DODECYLBENZENE, 123-01-3, 1-Phenyldodecane, n-Dodecylbenzene, Benzene, dodecyl-, Laurylbenzene.

Is Dodecane, phenyl- classified as hazardous?

46.9% of GHS notifications report no hazard classification (53 of 113).

What are the key physical properties of Dodecane, phenyl-?

Boiling Point: 627.8 °F at 760 mmHg (NTP, 1992); Boiling Point: 328 °C; Boiling Point: 290-410 °C; Melting Point: 19.4 °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.