4-Aminoazobenzene
Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
CAS Number
25548-34-9
Chemical name
4-Aminoazobenzene
Molecular formula
C12H11N3
Molecular weight
197.24 g/mol
Synonyms
C.I. Solvent Yellow 1; Azobenzene, 4-amino-; p-Phenylazophenylamine; p-Aminoazobenzene; ANILINE YELLOW; Benzenamine, 4-(phenylazo)-; 4-(Phenylazo)aniline; 4-Phenylazoaniline; 4-(phenyldiazenyl)aniline; Cellitazol R; Aminoazobenzene; (E)-4-(phenyldiazenyl)aniline
InChIKey
QPQKUYVSJWQSDY-UHFFFAOYSA-N
PubChem CID
6051
Signal word
Danger
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H350, H410
Catalog reference cue; confirm supplier documentation before use.
Appearance
4-aminoazobenzene appears as odorless brownish-yellow needles with bluish coating, or an orange powder. (NTP, 1992)
Catalog reference value; verify against supplier SDS before use.
Boiling Point
360.0 °C
Catalog reference value; verify against supplier SDS before use.
Density
1.05 g/cm³
Catalog reference value; verify against supplier SDS before use.
pKa
2.82
Catalog reference value; verify against supplier SDS before use.
XLogP
3.4
Catalog reference value; verify against supplier SDS before use.
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.