Triphenylamine

Description

Triphenylamine · CAS 603-34-9 · C18H15N. UNII NJS65M2DS2. Boiling Point: 365 °C; Boiling Point: 689 °F; Melting Point: 261 °F (NTP, 1992).

Identification

CAS Registry Number	603-34-9
PubChem CID	11775
Molecular formula	C18H15N
IUPAC name	N,N-diphenylaniline
UNII (FDA)	NJS65M2DS2

Computed Descriptors

Molecular Weight	245.3
XLogP3	5.7
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	3
Exact Mass	245.120449483
Monoisotopic Mass	245.120449483
Topological Polar Surface Area	3.2
Heavy Atom Count	19
Formal Charge	0

Physical & Chemical Properties

Boiling Point	365 °C
Boiling Point	689 °F
Melting Point	261 °F (NTP, 1992)
Melting Point	127 °C
Melting Point	126.5 °C
Melting Point	261 °F
Flash Point	180 °C
Flash Point	180 °C o.c.
Density	0.774 @ 0 °C/0 °C
Density	0.77 g/cm³

Physical description & handling notes

• Crystals or off-white lumpy solid. (NTP, 1992)
• Colorless solid; [NIOSH]
• COLOURLESS-TO-WHITE POWDER WITH CHARACTERISTIC ODOUR.
• Colorless solid.
• MONOCLINIC CRYSTALS FROM METHANOL, ETHYL ACETATE, BENZENE
• Exist as colorless monoclinic prisms

GHS Hazard Classification

Reported hazard statements	H315 (100%), H319 (100%), H335 (10.2%), H303

Documented Uses

• Produced by Eastman Kodak to coat film bases; [HSDB]
• Coated on film bases as primary photoconductor
• Benzenamine, N,N-diphenyl-: ACTIVE
• Industrial experience with triphenylamine at the Eastman Kodak Company demonstrated that no injuries occurred as a result of handling of the compound and that no special precautions were necessary for triphenylamine other than those used for the routine control of organic compounds.

Synonyms

TRIPHENYLAMINE; N,N-Diphenylaniline; Benzenamine, N,N-diphenyl-; Triphenyl amine; N,N-Diphenylbenzenamine; Amine, triphenyl; CCRIS 4887; UNII-NJS65M2DS2; HSDB 2098; AI3-17278; EINECS 210-035-5; NJS65M2DS2; NSC 66458; N,N-DIPHENYLANILINE [HSDB]; NSC-66458; DTXSID4022076

Frequently Asked Questions

What are the CAS number and molecular formula of Triphenylamine?

CAS 603-34-9; molecular formula C18H15N; molecular weight — g/mol.

What other names is Triphenylamine known by?

TRIPHENYLAMINE, N,N-Diphenylaniline, Benzenamine, N,N-diphenyl-, Triphenyl amine, N,N-Diphenylbenzenamine, Amine, triphenyl.

Is Triphenylamine classified as hazardous?

Hazard statements reported: H315, H319, H335, H303.

What are the key physical properties of Triphenylamine?

Boiling Point: 365 °C; Boiling Point: 689 °F; Melting Point: 261 °F (NTP, 1992); Melting Point: 127 °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.