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EINECS 202-588-6
CAS No. 97-52-9 Density 1.318 g/cm3
Solubility Slightly soluble in water Melting Point 139-142 °C
Formula C7H8N2O3 Boiling Point 364.2 °C at 760 mmHg
Molecular Weight 168.15 Flash Point 174 °C
Transport Information Appearance yellow to orange crystalline powder
Safety 26-37/39-36/37 Risk Codes 22-36/37/38-20/21/22
Molecular Structure Molecular Structure of 97-52-9 (2-Methoxy-4-nitroaniline) Hazard Symbols HarmfulXn, IrritantXi

Kako Red B Base;Naphtoelan Red B Base;Aniline, 2-methoxy-4-nitro-;4-Nitro-6-methoxyaniline;2-methoxy-4-nitro-aniline;p-Nitro-o-anisidine;Kayaku Red B Base;Showa Fast Red B Base;4-Amino-3-methoxynitrobenzene;Azoic diazo component 5, base;Benzenamine, 2-methoxy-4-nitro-;5-Nitro-2-anisidine;PNOA;Benzenamine,2-methoxy-4-nitro-;Red Base Irga V;2-Amino-5-nitroanisol [Czech];Mitsui Red B Base;Devol Red E;Red Base Ciba V;Sanyo Fast Red B Base;2-Amino-5-nitroanisol;2-Amino-5-nitroanisole;Shinnippon Fast Red B Base;Brentamine Fast Red B Base;Daito Red Base B;Red B Base;o-Anisidine, 4-nitro-;Hiltonil Fast Red B Base;C.I. Azoic Diazo Component 5;Diabase Red B;Symulon Red B Base;Anisole, 2-amino-5-nitro-;Dainichi Fast Red B Base;2-Methoxy-4-nitrobenzenamine;Red Base NB;Fast Red B;Naphthoelan Red B Base;2-Amino-1-methoxy-5-nitrobenzene;Fast Red B-T Base;Azoene Fast Red B Base;Azoamine Pink O;C.I. 37125;4-Nitro-o-anisidine;Naphthanil Red B Base;Fast Red Base B;4-Methoxy -4-Nitroaniline;3-nitro -6-aminoanisole;2-Methoxy-4-Nitro Aniline;


2-Methoxy-4-nitroaniline Consensus Reports

Reported in EPA TSCA Inventory.

2-Methoxy-4-nitroaniline Specification

1. Introduction of 2-Methoxy-4-nitroaniline
2-Methoxy-4-nitroaniline, with the CAS registry number of 97-52-9, is also named as 2-Amino-1-methoxy-5-nitrobenzene; 2-Amino-5-nitroanisol; 2-Methoxy-4-nitrobenzenamine; Amarthol Fast Red B Base; Anisole, 2-amino-5-nitro-; Dainichi Fast Red B Base; Naphthanil Red B Base; p-Nitro-o-anisidine. The product's categories are intermediates of dyes and pigments, anilines, amides & amines, anisoles, alkyloxy compounds & phenylacetates and nitro compounds.

2. Properties of 2-Methoxy-4-nitroaniline
The other characteristics of 2-Methoxy-4-nitroaniline can be summarized as: (1)ACD/LogP: 1.85; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.85; (4)ACD/LogD (pH 7.4): 1.85; (5)ACD/BCF (pH 5.5): 15; (6)ACD/BCF (pH 7.4): 15; (7)ACD/KOC (pH 5.5): 241.81; (8)ACD/KOC (pH 7.4): 241.81; (9)#H bond acceptors: 5; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 3; (12)Index of Refraction: 1.601; (13)Molar Refractivity: 43.71 cm3; (14)Molar Volume: 127.5 cm3; (15)Polarizability: 17.32×10-24 cm3; (16)Surface Tension: 53.6 dyne/cm; (17)Enthalpy of Vaporization: 61.03 kJ/mol; (18)Vapour Pressure: 1.71E-05 mmHg at 25°C; (19)Rotatable Bond Count: 1; (20)Exact Mass: 168.053492; (21)MonoIsotopic Mass: 168.053492; (22)Topological Polar Surface Area: 81.1; (23)Heavy Atom Count: 12.

3. Structure Descriptors of 2-Methoxy-4-nitroaniline
[O-][N+](=O)c1cc(OC)c(N)cc1; InChI: InChI=1/C7H8N2O3/c1-12-7-4-5(9(10)11)2-3-6(7)8/h2-4H,8H2,1H3; InChIKey: GVBHRNIWBGTNQA-UHFFFAOYAF. Fast Red B Base has many suppliers, such as JS (Tianjin) Chemical & Metallurgical Co., Ltd., Jiangsu Joysun Chemicals Co., Ltd. and Nanjing Leader Chemical Co., Ltd.

4. Toxicity of 2-Methoxy-4-nitroaniline

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral 997mg/kg (997mg/kg)   "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 717, 1986.

5. Safety Information of 2-Methoxy-4-nitroaniline
The Fast Red B Base is toxic. It is flammable by fire and will produce toxic aniline and nitrogen oxide gas by heat. So the storage environment should be ventilate, low-temperature and dry. This chemical is harmful by inhalation, in contact with skin and if swallowed. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to contact this product, you must wear suitable protective clothing and gloves and eye/face protection.

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