溴十六烷基吡啶

Description

Bromohexadecyl pyridine · CAS 140-72-7 · C21H38N.Br. UNII O77BKZ14DE. Melting Point: 64.5 °C; LogP: log Kow= 1.83.

Identification

CAS Registry Number	140-72-7
PubChem CID	8816
Molecular formula	C21H38N.Br
IUPAC name	1-hexadecylpyridin-1-ium bromide
UNII (FDA)	O77BKZ14DE

Computed Descriptors

Molecular Weight	384.4
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	15
Exact Mass	383.21876
Monoisotopic Mass	383.21876
Topological Polar Surface Area	3.9
Heavy Atom Count	23
Formal Charge	0
Complexity	208

Physical & Chemical Properties

Melting Point	64.5 °C
LogP	log Kow= 1.83

Physical description & handling notes

• Cream-colored solid; [HSDB] White powder; [Acros Organics MSDS]
• Cream-colored, waxy solid
• Soluble in acetone, ethanol, and chloroform
• When heated to decomposition it emits toxic vapors of /nitrogen oxides/ and /bromides/.
• A quaternary ammonium compound

GHS Hazard Classification

Reported hazard statements	H302 (96.1%), H315 (100%), H319 (100%), H330 (84.3%), H335 (98%), H413 (80.4%)

Documented Uses

• Used in mouthwashes, lozenges, and as a topical disinfectant; [TERIS] Used as a germicide, deodorant, laboratory reagent, surfactant, and topical antiseptic/disinfectant; [HSDB]
• Using Disinfectants or Biocides [Category: Clean]
• Germicide, deodorant, laboratory reagent, surfactant
• Topical antiseptic/disinfectant
• Pyridine + cetyl bromide (quaternization)
• Pyridinium, 1-hexadecyl-, bromide (1:1): ACTIVE

Synonyms

CETYLPYRIDINIUM BROMIDE; 140-72-7; Hexadecylpyridinium bromide; 1-Hexadecylpyridinium bromide; Cetapharm; Nitrogenol; Sterogenal; Sterogenol; Bromocet; Cetasol; Cetazol; Cetazolin; Seprisan; Hexadecylpyridine bromide; N-Hexadecylpyridinium bromide; Acetoquat CPB

Frequently Asked Questions

What are the CAS number and molecular formula of Bromohexadecyl pyridine?

CAS 140-72-7; molecular formula C21H38N.Br; molecular weight — g/mol.

What other names is Bromohexadecyl pyridine known by?

CETYLPYRIDINIUM BROMIDE, 140-72-7, Hexadecylpyridinium bromide, 1-Hexadecylpyridinium bromide, Cetapharm, Nitrogenol.

Is Bromohexadecyl pyridine classified as hazardous?

Hazard statements reported: H302, H315, H319, H330, H335.

What are the key physical properties of Bromohexadecyl pyridine?

Melting Point: 64.5 °C; LogP: log Kow= 1.83.

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.