n-dodecane

Description

n-dodecane · CAS 93685-81-5 · C12H26. UNII 11A386X1QH. Boiling Point: 421.3 °F at 760 mmHg (NTP, 1992); Boiling Point: 216.3 °C; Boiling Point: 215.00 to 217.00 °C. @ 760.00 mm Hg.

Identification

CAS Registry Number	93685-81-5
PubChem CID	8182
Molecular formula	C12H26
IUPAC name	dodecane
UNII (FDA)	11A386X1QH

Computed Descriptors

Molecular Weight	170.33
XLogP3	6.1
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	9
Exact Mass	170.203450829
Monoisotopic Mass	170.203450829
Topological Polar Surface Area	0
Heavy Atom Count	12
Formal Charge	0

Physical & Chemical Properties

Boiling Point	421.3 °F at 760 mmHg (NTP, 1992)
Boiling Point	216.3 °C
Boiling Point	215.00 to 217.00 °C. @ 760.00 mm Hg
Boiling Point	216.3 °C @760 [mm Hg]
Melting Point	14.7 °F (NTP, 1992)
Melting Point	-9.55 °C
Melting Point	-9.6 °C
Flash Point	165 °F (NTP, 1992)
Flash Point	83 °C (181 °F) - closed cup
Flash Point	165 °F (74 °C) (Closed Cup)

Physical description & handling notes

• N-dodecane is a clear colorless liquid. (NTP, 1992)
• Liquid
• Colorless liquid; [CAMEO]
• Colorless liquid
• Heat of fusion: 36.8 kJ/mol at melting point
• 71 °C (From table)

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances Flavoring Agents CIR / INCI: Emollient; Solvent
GHS notification summary	0.4% (4 / 1042)

GHS Hazard Classification

GHS notification summary	0.4% (4 / 1042)
Reported hazard statements	H304 (57.2%), H319 (43.2%), H226 (95.7%), H410 (12.2%), H413 (19%), H227

Documented Uses

• Used as a solvent (inks and degreasing) and in chemical research and production; Used in paper processing; [HSDB]
• Metal Degreasing [Category: Clean]
• Pulp and Paper Processing [Category: Industry]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• Solvent, organic synthesis, distillation chaser, jet fuel research
• Manufacturing paraffin products ... Lubricant oil additive.

Synonyms

DODECANE; n-Dodecane; 112-40-3; Dihexyl; Bihexyl; Adakane 12; N-Dodecan; Duodecane; Ba 51-090453; DTXSID0026913; 11A386X1QH; NSC-8714; DTXCID906913; CHEBI:28817; RefChem:5775; 203-967-9

Frequently Asked Questions

What are the CAS number and molecular formula of n-dodecane?

CAS 93685-81-5; molecular formula C12H26; molecular weight — g/mol.

What other names is n-dodecane known by?

DODECANE, n-Dodecane, 112-40-3, Dihexyl, Bihexyl, Adakane 12.

What is the regulatory status of n-dodecane?

Documented regulatory listings: EU Flavoring substances; Flavoring Agents; CIR / INCI: Emollient; Solvent.

Is n-dodecane classified as hazardous?

0.4% of GHS notifications report no hazard classification (4 of 1042).

What are the key physical properties of n-dodecane?

Boiling Point: 421.3 °F at 760 mmHg (NTP, 1992); Boiling Point: 216.3 °C; Boiling Point: 215.00 to 217.00 °C. @ 760.00 mm Hg; Boiling Point: 216.3 °C @760 [mm Hg].

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.