o-Nitroaniline (2-nitroaniline) (CAS 88-74-4)

Molecular structure

Chemical Product

o-NITROANILINE (2-nitroaniline)

Cat. NoKC.1510014 CategoryOther Molecular FormulaC6H6N2O2 CAS88-74-4 Molecular Weight138.12 g/mol

Package 250GM

Safety & Hazards (GHS) Danger

Acute toxic

Health hazard

⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).

O-nitroaniline is an orange solid with a musty odor. Sinks and mixes slowly with water. (USCG, 1999)

Used to make azo dyes and pigments, vat dyes, photographic antifogging agents, coccidiostats, and ortho-phenylenediamine; [HSDB] Used to make benzotriazoles, cutting fluids, and pharmaceuticals; [SIDSUNEP]
CHEM INT FOR CI PIGMENT YELLOW 5, ORANGE 2, YELLOW 7, VAT RED 15, VAT ORANGE 7, CI PIGMENT ORANGE 43, VAT RED 14, DISPERSE YELLOW 10.
Dye intermediate, synthesis of photographic antifogging agent, ortho-phenylenediamine, coccidiostats.
2-Nitroaniline is used as a diazo component (Fast Orange GR Base) in azo dyes and pigments (e.g., C.I. Disperse Yellow 10 and C.I. Pigment Yellow 5) and as an intermediate for vat dyes (e.g., C.I. Vat Red 14).

Physical Description	O-nitroaniline is an orange solid with a musty odor. Sinks and mixes slowly with water. (USCG, 1999)
Color/Form	Yellow-orange crystals from boiling water
Odor	Musty
Melting Point	160.7 °F (NTP, 1992)
Boiling Point	543 °F at 760 mmHg (NTP, 1992)
Flash Point	335 °F (NTP, 1992)
Density	1.44 at 68 °F (USCG, 1999) - Denser than water; will sink
Solubility	less than 1 mg/mL at 70.7 °F (NTP, 1992)
Vapor Pressure	1 mmHg at 219.2 °F ; <0.1 mmHg at 86 °F (NTP, 1992)

IUPAC Name	2-nitroaniline
Molecular Formula	C6H6N2O2
Molecular Weight	138.12 g/mol
CAS	88-74-4
SMILES	C1=CC=C(C(=C1)N)[N+](=O)[O-]
InChIKey	DPJCXCZTLWNFOH-UHFFFAOYSA-N
Catalog No	KC.1510014
Pack sizes	250GM

⚠️ For information only; not a substitute for the official SDS.