2-Naphthalenol, 1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]-

Basic Information

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CAS Number

85-83-6

Molecular Formula

C24H20N4O

Molecular Weight

380.44 g/mol

Chemical Classification

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

199 °C (dec.)

Boiling Point

260 ºC

Density

1.1946 (rough estimate)

Flash Point

424.365 °C

Solubility

Insoluble in water; soluble in benzene, methanol, acetone, isopropanol; slightly soluble in ethanol

Refractive Index

1.6000 (estimate)

SMILES

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Cc1cc(ccc1/N=N/c1c(O)ccc2c1cccc2)/N=N/c1ccccc1C

InChI

InChI=1S/C24H20N4O/c1-16-7-3-6-10-21(16)26-25-19-12-13-22(17(2)15-19)27-28-24-20-9-5-4-8-18(20)11-14-23(24)29/h3-15,29H,1-2H3/b26-25+,28-27+

InChIKey

RCTGMCJBQGBLKT-PAMTUDGESA-N

LogP

7.993040000000007

Topological Polar Surface Area

69.67 Å²

Hydrogen Bond Donor/Acceptor

1 / 5

Complexity

579

Safety Information

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GHS Hazard Pictograms

H315

H319

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Hazard Class

Class IRRITANT Class IRRITANT

Stability

Stable. Incompatible with strong oxidizing agents.

Synonyms & References

English

1-((2-Methyl-4-(o-tolyldiazenyl)phenyl)diazenyl)naphthalen-2-ol
1-[2-Methyl-4-(2-methylphenylazo)phenylazo]-2-naphthol
C.I. 26105
Lipid crimson
Scarlet Red
Solvent Red 24
scarlet R
1-(2-methyl-4-(2-methylphenylazo)phenylazo)-2-naphthol
1-((2-Methyl-4-((2-methylphenyl)azo)phenyl)azo)-2-naphthalenol
1-((4-(o-tolylazo)-o-tolyl)azo)-2-naphtho
1-((E)-(2-Methyl-4-[(E)-(2-methylphenyl)diazenyl]phenyl)diazenyl)-2-naphth
1-(4-(o-Tolylazo)-o-tolylazo)-2-naphthol
1-(4-o-tolylazo-o-tolylazo)-2-naphthol
1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]-2-naphthaleno
2',3-Dimethyl-4-(2-hydroxynaphthylazo)azobenzene
2’,3-dimethyl-4-(2-hydroxynaphthylazo)azobenzene
Sudan IV
1-({2-Methyl-4-[(2-methylphenyl)diazenyl]-phenyl}diazenyl)-2-naphthol
SUDAN IV, C.I. 26105 FOR MICROSCOPY
AKA501
Biebrich scarlet Rfat solube
C.I. 26105
c.i.258
Fat ponceau
fatredb
Oil red Ⅳ
oilred3
oilred7
oilreda
oilredd
oilredf

MDL Number

MFCD00003893

Customs Code

2927000090

FAQ

What is 2-Naphthalenol, 1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]- (CAS: 85-83-6)?

2-Naphthalenol, 1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]- (CAS: 85-83-6) is a complex organic compound containing a naphthalene ring substituted with two azo groups. Its chemical formula is C20H14N2O2, and it typically appears as a yellow solid. It exhibits low solubility in water but is soluble in organic solvents. The compound is known for its aromatic structure and potential applications in chemical synthesis.

What are the main uses of 2-Naphthalenol, 1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]- (CAS: 85-83-6)?

This compound is primarily used as a precursor in pharmaceutical and industrial applications, particularly in the synthesis of azo dyes and organic pigments. It finds applications in the textile industry for coloration processes and in research for developing new chemical compounds. Its unique structure also makes it valuable in the production of specialty chemicals and as an intermediate in organic reactions.

Is 2-Naphthalenol, 1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]- (CAS: 85-83-6) safe?

Safety of 2-Naphthalenol, 1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]- (CAS: 85-83-6) depends on exposure conditions. It may cause skin or eye irritation and should be handled with proper protective equipment. Safety standards recommend avoiding inhalation and following OSHA guidelines. Always consult reliable safety data sheets for detailed handling precautions.

How should 2-Naphthalenol, 1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]- (CAS: 85-83-6) be stored?

Store 2-Naphthalenol, 1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]- (CAS: 85-83-6) in a cool, dry, and well-ventilated area, away from light. Use airtight containers made of glass or high-density polyethylene to prevent moisture ingress. Ensure it is kept in a stable environment to maintain chemical integrity and avoid contact with incompatible materials.