4,4'-oxybisbenzenamine

Description

4,4'-oxybisbenzenamine · CAS 101-80-4 · C12H12N2O. UNII 28DLB4Z70T. Boiling Point: >300 °C; Melting Point: 367 to 369 °F (NTP, 1992); Melting Point: 189 °C (decomposes.

Identification

CAS Registry Number	101-80-4
PubChem CID	7579
Molecular formula	C12H12N2O
IUPAC name	4-(4-aminophenoxy)aniline
UNII (FDA)	28DLB4Z70T

Computed Descriptors

Molecular Weight	200.24
XLogP3	1.4
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	2
Exact Mass	200.094963011
Monoisotopic Mass	200.094963011
Topological Polar Surface Area	61.3
Heavy Atom Count	15
Formal Charge	0

Physical & Chemical Properties

Boiling Point	>300 °C
Melting Point	367 to 369 °F (NTP, 1992)
Melting Point	189 °C (decomposes
Melting Point	187 °C
Flash Point	426 °F (NTP, 1992)
Flash Point	219 °C
Flash Point	219 °C (closed cup)
Vapor Pressure	0.00000436 [mmHg]
Vapor Pressure	0.0000003 [mm Hg] @25 °C
LogP	log Kow = 1.36

Physical description & handling notes

• 4,4'-diaminodiphenyl ether appears as odorless colorless crystals or an odorless fine, beige powder. (NTP, 1992)
• Dry Powder
• Colorless solid; [HSDB] Colorless crystalline solid; [MSDSonline]
• Colorless crystals
• Sublimes (NTP, 1992)
• less than 0.1 mg/mL at 59 °F (NTP, 1992)

GHS Hazard Classification

Reported hazard statements	H301, H311, H331, H340, H350, H411, H341, H400

Documented Uses

• Used as a chemical intermediate for polyimide and poly(ester-imide) resins; [HSDB]
• Chem int for polyimide and poly(ester-imide) resins
• Substance listed with specific concentration in tattoo ink and/or permanent make up according to EU Commission Regulation 2020/2081. The concentration limit (by weight) is 0.0005%.
• Reaction of 4,4'-diaminodiphenyl ether with tin and hydrochloric acid in the presence of ethanol.
• 2022: 1,000,000 - <8,500,000 lb
• 2021: 1,000,000 - <8,500,000 lb

Synonyms

4,4'-Oxydianiline; 101-80-4; 4,4'-Diaminodiphenyl ether; 4,4-Oxydianiline; 4-Aminophenyl ether; Oxydianiline; Diaminodiphenyl ether; Dadpe; Bis(p-aminophenyl) ether; Bis(4-aminophenyl) ether; 4,4'-Oxybisbenzenamine; p,p'-Oxydianiline; Benzenamine, 4,4'-oxybis-; p-Aminophenyl ether; 4,4-Diaminodiphenyl ether; p,p'-Oxybis(aniline)

Frequently Asked Questions

What are the CAS number and molecular formula of 4,4'-oxybisbenzenamine?

CAS 101-80-4; molecular formula C12H12N2O; molecular weight — g/mol.

What other names is 4,4'-oxybisbenzenamine known by?

4,4'-Oxydianiline, 101-80-4, 4,4'-Diaminodiphenyl ether, 4,4-Oxydianiline, 4-Aminophenyl ether, Oxydianiline.

Is 4,4'-oxybisbenzenamine classified as hazardous?

Hazard statements reported: H301, H311, H331, H340, H350.

What are the key physical properties of 4,4'-oxybisbenzenamine?

Boiling Point: >300 °C; Melting Point: 367 to 369 °F (NTP, 1992); Melting Point: 189 °C (decomposes; Melting Point: 187 °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.