N-Phenylhydroxylamine

Description

N-Phenylhydroxylamine · CAS 100-65-2 · C6H7NO. UNII 282MU82Z9A. Melting Point: 181 to 183 °F (NTP, 1992); Melting Point: 82 °C; Vapor Pressure: 0.00795 [mmHg].

Identification

CAS Registry Number	100-65-2
PubChem CID	7518
Molecular formula	C6H7NO
IUPAC name	N-phenylhydroxylamine
UNII (FDA)	282MU82Z9A

Computed Descriptors

Molecular Weight	109.13
XLogP3	0.8
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	1
Exact Mass	109.052763847
Monoisotopic Mass	109.052763847
Topological Polar Surface Area	32.3
Heavy Atom Count	8
Formal Charge	0

Physical & Chemical Properties

Melting Point	181 to 183 °F (NTP, 1992)
Melting Point	82 °C
Vapor Pressure	0.00795 [mmHg]
LogP	0.79

Physical description & handling notes

• N-phenylhydroxylamine appears as tan to brown crystals. (NTP, 1992)
• Solid; [Merck Index] Tan to brown solid; [CAMEO]
• NEEDLES FROM SATURATED SODIUM CHLORIDE SOLN
• NEEDLES FROM WATER, BENZENE OR PETROLEUM ETHER SOLN
• Soluble in hot water (NTP, 1992)
• VERY SOL IN CHLOROFORM; INSOL IN PETROLEUM ETHER; FREELY SOL IN ALCOHOL, CARBON DISULFIDE, DIL MINERAL ACID, ETHER, HOT BENZENE, ACETIC ACID

GHS Hazard Classification

Reported hazard statements	H301 (97.6%)

Documented Uses

• Used as intermediate for cupferron and p-aminophenol; Not commercially produced in the US; [HSDB]
• CHEMICAL INTERMEDIATE FOR CUPFERRON (A REAGENT) & P-AMINOPHENOL
• REACTION OF AN ALCOHOLIC SOLUTION OF NITROBENZENE WITH ZINC DUST AND A SMALL QUANTITY OF CALCIUM CHLORIDE
• PREPD BY ZINC REDUCTION OF NITROBENZENE IN AMMONIUM CHLORIDE SOLN: KAMM, ORG SYNTH 4, 57 (1925).
• ESSENTIALLY 100% AS CHEMICAL INTERMEDIATE
• (1972) NOT PRODUCED COMMERCIALLY IN US

Synonyms

N-PHENYLHYDROXYLAMINE; 100-65-2; Phenylhydroxylamine; N-Hydroxyaniline; N-Hydroxybenzenamine; Phenylhydroxyamine; Hydroxylaminobenzene; Aniline, N-hydroxy-; Hydroxylamine, N-phenyl-; NCI-C60093; Benzene, hydroxylamino-; (Hydroxyamino)benzene; beta-Phenylhydroxylamine; DTXSID3025889; 282MU82Z9A; NSC-223099

Frequently Asked Questions

What are the CAS number and molecular formula of N-Phenylhydroxylamine?

CAS 100-65-2; molecular formula C6H7NO; molecular weight — g/mol.

What other names is N-Phenylhydroxylamine known by?

N-PHENYLHYDROXYLAMINE, 100-65-2, Phenylhydroxylamine, N-Hydroxyaniline, N-Hydroxybenzenamine, Phenylhydroxyamine.

Is N-Phenylhydroxylamine classified as hazardous?

Hazard statements reported: H301.

What are the key physical properties of N-Phenylhydroxylamine?

Melting Point: 181 to 183 °F (NTP, 1992); Melting Point: 82 °C; Vapor Pressure: 0.00795 [mmHg]; LogP: 0.79.

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.