1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol

Basic Information

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CAS Number

2425-85-6

Molecular Formula

C17H13N3O3

Molecular Weight

307.3 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Ketones

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Melting Point

270-272 °C

Boiling Point

447.81°C (rough estimate)

Refractive Index

1.6500 (estimate)

SMILES

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Cc1ccc(c(c1)[N+](=O)[O-])NN=C1C(=O)C=Cc2c1cccc2

InChI

1S/C17H13N3O3/c1-11-6-8-14(15(10-11)20(22)23)18-19-17-13-5-3-2-4-12(13)7-9-16(17)21/h2-10,21H,1H3/b19-18+

InChIKey

ZLFVRXUOSPRRKQ-VHEBQXMUSA-N

LogP

5.70060

Complexity

451

Safety Information

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Hazard Statement

H318 Causes serious eye damage
Serious eye damage/eye irritation

H410 Very toxic to aquatic life with long lasting effects
Hazardous to the aquatic environment, long-term hazard

Stability

Stable. May be moisture sensitive. Incompatible with strong oxidizing agents.

Synonyms & References

English

1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol
1-(4-Methyl-2-nitrophenylazo)-2-naphthol
C.I. 12120
Pigment Red 3
toluidine red (C.I. 12120)
Toluidine Red
<2-Nitro-4-methyl-benzolazo>-naphthol-(2)
1-(4-Methyl-2-nitro-phenylazo)-[2]naphthol
fastredab
fastredj
fastredje
fastredr
hansaredb
hansaredg
HELIO FAST RED RL
lakered4r
pigment red percent3
Pigment red 3
C.I. Pigment Red 3
Toluidine Toner
Pigment Scarlet
Pigment Ruby
Helio Fast Red RN
Independence Red
Toluidine Red R
Helio Red Toner
Chromatex Red J
Fastona Red B
Deep Fastona Red
Silosol Red RBN
Siloton Red RLL

MDL Number

MFCD00003910

Customs Code

2927000090

FAQ

What are the physical and chemical properties of 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol (CAS: 2425-85-6)?

1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol is a crystalline solid with a molecular weight of approximately 324.09 g/mol. It is slightly soluble in water and more soluble in organic solvents like methanol and acetone. The compound is relatively stable but can undergo thermal decomposition and reacts with strong oxidizing agents. It has a pKa of around 9.5, indicating basicity.

How is 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol (CAS: 2425-85-6) typically synthesized?

1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol is synthesized via diazotization of 4-methyl-2-nitrophenol followed by coupling with naphthalen-2-ol. Commonly, this involves the use of sodium nitrite and hydrochloric acid as a catalyst. The reaction is carried out in an aqueous medium, and the diazotized product is then introduced to the naphthalen-2-ol under appropriate conditions to achieve high yield and selectivity.

What industries use 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol (CAS: 2425-85-6)?

1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol is used in the pharmaceutical industry due to its potential as a drug intermediate. It is also employed in the polymer industry for developing functional materials, and in the chemical sensor industry for detecting specific analytes. Its properties make it suitable for applications in semiconductor manufacturing as well.

What precautions should be taken when handling 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol (CAS: 2425-85-6)?

When handling 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol, it is crucial to wear appropriate personal protective equipment (PPE) including gloves, goggles, and a lab coat. The compound should be stored in a cool, dry place away from direct sunlight. It should be used in a well-ventilated area or a fume hood to minimize inhalation risk. Spills should be cleaned up with caution, and the Occupational Safety and Health Administration (OSHA) and Material Safety Data Sheet (MSDS) should be consulted for specific handling procedures.