Butylacetanilide

Description

Butylacetanilide · CAS 91-49-6 · C12H17NO. UNII 8M351V3SUN. Boiling Point: 281 °C @ 760 MM HG; Melting Point: 24.5 °C; Flash Point: 286 °F CC.

Identification

CAS Registry Number	91-49-6
PubChem CID	7051
Molecular formula	C12H17NO
IUPAC name	N-butyl-N-phenylacetamide
UNII (FDA)	8M351V3SUN

Computed Descriptors

Molecular Weight	191.27
XLogP3	2.5
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	4
Exact Mass	191.131014166
Monoisotopic Mass	191.131014166
Topological Polar Surface Area	20.3
Heavy Atom Count	14
Formal Charge	0

Physical & Chemical Properties

Boiling Point	281 °C @ 760 MM HG
Melting Point	24.5 °C
Flash Point	286 °F CC
Density	0.9912 @ 20 °C/4 °C

Physical description & handling notes

• mp = 24.5 deg C; [HSDB] Colorless liquid; mp = 24.0 deg C; [MSDSonline]
• INSOL IN WATER
• INDEX OF REFRACTION: 1.5146 @ 20 °C/D; MAX ABSORPTION (95% ALC): LESS THAN 220 NM; SADTLER REFERENCE NUMBER: 6633 (IR, PRISM)

GHS Hazard Classification

Reported hazard statements	H314 (100%), H319 (100%), H412 (100%)

Documented Uses

• Used as a tick and flea repellent; [HSDB] Used as KG coupler solvent; [Eastman Kodak MSDS]
• USED AS A REPELLANT FOR CONTROL OF TICKS & FLEAS
• A REPELLANT USED TO IMPREGNATE CLOTHING
• PROBABLY BY REACTION OF ACETANILIDE WITH A BUTYL HALIDE
• (1977) NOT PRODUCED COMMERCIALLY IN US
• (1979) NOT PRODUCED COMMERCIALLY IN US

Synonyms

N-Butyl-N-phenylacetamide; N-BUTYLACETANILIDE; 91-49-6; Butylacetanilide; Acetanilide, N-butyl-; Acetamide, N-butyl-N-phenyl-; Acetic acid, amide, N-butyl-N-phenyl-; 8M351V3SUN; NSC-7662; DTXSID2042197; RefChem:163052; DTXCID0022197; 202-071-5; N-butyl-N-phenyl-acetamide; N-butyl acetylaniline; Caswell No. 124

Frequently Asked Questions

What are the CAS number and molecular formula of Butylacetanilide?

CAS 91-49-6; molecular formula C12H17NO; molecular weight — g/mol.

What other names is Butylacetanilide known by?

N-Butyl-N-phenylacetamide, N-BUTYLACETANILIDE, 91-49-6, Butylacetanilide, Acetanilide, N-butyl-, Acetamide, N-butyl-N-phenyl-.

Is Butylacetanilide classified as hazardous?

Hazard statements reported: H314, H319, H412.

What are the key physical properties of Butylacetanilide?

Boiling Point: 281 °C @ 760 MM HG; Melting Point: 24.5 °C; Flash Point: 286 °F CC; Density: 0.9912 @ 20 °C/4 °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.