Formanilide

Description

Formanilide · CAS 103-70-8 · C7H7NO. UNII 2805XEA9CL. Boiling Point: 520 °F at 760 mmHg (NTP, 1992); Boiling Point: 271 °C; Melting Point: 115.9 to 117.5 °F (NTP, 1992).

Identification

CAS Registry Number	103-70-8
PubChem CID	7671
Molecular formula	C7H7NO
IUPAC name	N-phenylformamide
UNII (FDA)	2805XEA9CL

Computed Descriptors

Molecular Weight	121.14
XLogP3	1.2
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	1
Exact Mass	121.052763847
Monoisotopic Mass	121.052763847
Topological Polar Surface Area	29.1
Heavy Atom Count	9
Formal Charge	0

Physical & Chemical Properties

Boiling Point	520 °F at 760 mmHg (NTP, 1992)
Boiling Point	271 °C
Melting Point	115.9 to 117.5 °F (NTP, 1992)
Melting Point	46.6-47.5 °C
Solubility	10 to 50 mg/mL at 77 °F (NTP, 1992)
Solubility	In water, 28.6 g/l @ 25 °C; 25.4 g/l @ 20 °C
Density	1.186 @ 50 °C
Vapor Pressure	0.00357 [mmHg]
Vapor Pressure	3.57X10-3 mm Hg @ 25 °C
LogP	log Kow= 1.15

Physical description & handling notes

• Formanilide is a white crystalline solid. (NTP, 1992)
• White solid; [HSDB] White crystalline powder; [Alfa Aesar MSDS]
• White crystals
• greater than 235 °F (NTP, 1992)
• > 10% in benzene; > 10% in ether; > 10% ethanol
• 1.144 at 68 °F (NTP, 1992) - Denser than water; will sink

Regulatory Status

GHS notification summary	37.5% (3 / 8)

GHS Hazard Classification

GHS notification summary	37.5% (3 / 8)
Reported hazard statements	H302 (62.5%)

Documented Uses

• Used for chemical synthesis and formerly as a local anesthetic, analgesic, and antipyretic; [HSDB]
• Feedstock for chemical synthesis
• Review on methods of preparation: de Jonge et al, Rec Trav Chim 75, 5 (1956).
• N-Phenylformamide was formerly used as local anesthetic, analgesic and antipyretic. /Former use/
• AGMENELLUM QUADRUPLICATUM STRAIN PR-6 & OSCILLATORIA SPECIES STRAIN JCM GROWN PHOTOAUTOTROPHICALLY IN PRESENCE OF ANILINE METABOLIZED ANILINE TO FORMANILIDE.
• JERINA, DM, DALY, JW & WITKOP, B; BIOCHEMISTRY 10, (l971) YIELDS N-(P-HYDROXYPHENYL)FORMAMIDE IN LIVER: /FROM TABLE/

Synonyms

Formanilide; N-PHENYLFORMAMIDE; 103-70-8; N-Formylaniline; Phenyl formamide; Formylaniline; Carbanilaldehyde; Formamidobenzene; Aniline, N-formyl-; DTXSID3025338; 2805XEA9CL; NSC-8862; DTXCID205338; CHEBI:42416; RefChem:830993; 203-136-0

Frequently Asked Questions

What are the CAS number and molecular formula of Formanilide?

CAS 103-70-8; molecular formula C7H7NO; molecular weight — g/mol.

What other names is Formanilide known by?

Formanilide, N-PHENYLFORMAMIDE, 103-70-8, N-Formylaniline, Phenyl formamide, Formylaniline.

Is Formanilide classified as hazardous?

37.5% of GHS notifications report no hazard classification (3 of 8).

What are the key physical properties of Formanilide?

Boiling Point: 520 °F at 760 mmHg (NTP, 1992); Boiling Point: 271 °C; Melting Point: 115.9 to 117.5 °F (NTP, 1992); Melting Point: 46.6-47.5 °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.