2,6,10,14-四甲基十五烷

Description

2,6,10,14-Tetramethylpentadecane · CAS 1921-70-6 · C19H40. UNII 26HZV48DT1. Boiling Point: 296 °C; Boiling Point: 296.00 °C. @ 760.00 mm Hg; Melting Point: -60 °C /freezing point/.

Identification

CAS Registry Number	1921-70-6
PubChem CID	15979
Molecular formula	C19H40
IUPAC name	2,6,10,14-tetramethylpentadecane
UNII (FDA)	26HZV48DT1

Computed Descriptors

Molecular Weight	268.5
XLogP3	9.3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	12
Exact Mass	268.313001276
Monoisotopic Mass	268.313001276
Topological Polar Surface Area	0
Heavy Atom Count	19
Formal Charge	0

Physical & Chemical Properties

Boiling Point	296 °C
Boiling Point	296.00 °C. @ 760.00 mm Hg
Melting Point	-60 °C /freezing point/
Melting Point	-100 °C
Flash Point	>110 °C (>230 °F) - closed cup
Solubility	In water, 1.0X10-8 mg/L at 25 °C
Density	0.775-0.795 at 20 °C
Viscosity	5 Cp at 25 °C
Formulations/Preparations	Grade: 90% purity.

Physical description & handling notes

• Transparent liquid; [Merck Index] Colorless liquid; [Sigma-Aldrich MSDS]
• Liquid
• Colorless, transparent; stable liquid
• Mobile, transparent, stable liquid
• Soluble in most organic solvents
• Very soluble in benzene, ether, chloroform, petroleum ether

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Emollient; Moisturising
GHS notification summary	2.2% (1 / 46)

GHS Hazard Classification

GHS notification summary	2.2% (1 / 46)
Reported hazard statements	H315 (97.8%), H319 (95.7%)

Documented Uses

• Isoprenoid alkane found in shark liver oil; Used as a lubricant, transformer oil, corrosion inhibitor, and biological marker; [Merck Index]
• Lubricant; transformer oil. Anti-corrosion agent. Biological marker. In experimental systems to induce plasmacytomas; in production of monoclonal antibodies.
• Cosmetics -> Emollient; Moisturising
• Isoprenoid alkane obtained from the unsaponifiable fraction of shark liver oil where it occurs to an extent of 14%.
• Isolation from petroleum crude oils; ... from wool wax. Synthesis from phytol.
• Pentadecane, 2,6,10,14-tetramethyl-: ACTIVE

Synonyms

PRISTANE; 1921-70-6; 2,6,10,14-Tetramethylpentadecane; Norphytane; Norphytan; Pentadecane, 2,6,10,14-tetramethyl-; Pristan; NSC 114852; 26HZV48DT1; DTXSID70870919; NSC-114852; CHEBI:53181; NSC114852; RefChem:46199; DTXCID80818600; 217-650-8

Frequently Asked Questions

What are the CAS number and molecular formula of 2,6,10,14-Tetramethylpentadecane?

CAS 1921-70-6; molecular formula C19H40; molecular weight — g/mol.

What other names is 2,6,10,14-Tetramethylpentadecane known by?

PRISTANE, 1921-70-6, 2,6,10,14-Tetramethylpentadecane, Norphytane, Norphytan, Pentadecane, 2,6,10,14-tetramethyl-.

What is the regulatory status of 2,6,10,14-Tetramethylpentadecane?

Documented regulatory listings: CIR / INCI: Emollient; Moisturising.

Is 2,6,10,14-Tetramethylpentadecane classified as hazardous?

2.2% of GHS notifications report no hazard classification (1 of 46).

What are the key physical properties of 2,6,10,14-Tetramethylpentadecane?

Boiling Point: 296 °C; Boiling Point: 296.00 °C. @ 760.00 mm Hg; Melting Point: -60 °C /freezing point/; Melting Point: -100 °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.