5-Amino-1-naphthol

Basic Information

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CAS Number

83-55-6

Molecular Formula

C10H9NO

Molecular Weight

159.19 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Amines

Basic Physical Properties

Melting Point

190 °C (dec.)

Boiling Point

284.68°C (rough estimate)

Density

1.1202 (rough estimate)

Refractive Index

1.6070 (estimate)

SMILES

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Nc1cccc2c(O)cccc12

InChI

InChI=1S/C10H9NO/c11-9-5-1-4-8-7(9)3-2-6-10(8)12/h1-6,12H,11H2

InChIKey

ZBIBQNVRTVLOHQ-UHFFFAOYSA-N

LogP

2.1276

pKa

3.97(at 25℃)

Topological Polar Surface Area

46.25 Å²

Hydrogen Bond Donor/Acceptor

3 / 2

Complexity

160

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Synonyms & References

English

5-Amino-1-naphthol
5-Amino-1-naphtholneat
1-amino-5-hydroxynaphthalene
1-AMINO-5-NAPHTHOL
1-aminonaphth-5-ol
1-Naphthol,5-amino
5-amino-1-naphthaleno
5-amino-1-naphthalenol
5-amino-naphthalen-1-ol
5-hydroxy-1-naphthylamine
5,1-ANL
1-Naphthol,5-amino- (7CI,8CI)
5-Amino-a-naphthol
5-Hydroxy-1-naphthalenamine
C.I. 76650
NSC 1499

MDL Number

MFCD00041826

FAQ

What are the physical and chemical properties of 5-Amino-1-naphthol (CAS: 83-55-6)?

5-Amino-1-naphthol is a white crystalline solid with a molecular weight of 149.16 g/mol. It is slightly soluble in water and readily soluble in ethanol. This compound is known for its basic nature and can react with acids to form salts. It is also relatively stable under normal conditions but can react with oxidizing agents.

How is 5-Amino-1-naphthol (CAS: 83-55-6) typically synthesized?

5-Amino-1-naphthol is typically synthesized via the reduction of 1-naphthol using sodium borohydride as a catalyst. The reaction is carried out in an aqueous medium to ensure selectivity and yield. The product is then purified by recrystallization from water or ethanol.

What industries use 5-Amino-1-naphthol (CAS: 83-55-6)?

5-Amino-1-naphthol is used in various industries. It is a key intermediate in the production of dyes and pigments, and it is also utilized in the pharmaceutical industry for the synthesis of certain drugs. Additionally, it is used in the production of some organic sensors and semiconductors.

What precautions should be taken when handling 5-Amino-1-naphthol (CAS: 83-55-6)?

When handling 5-Amino-1-naphthol, appropriate personal protective equipment (PPE) such as gloves, safety goggles, and a lab coat should be worn. The compound should be stored in a cool, dry place away from oxidizing agents. In case of spillage, it should be cleaned up using appropriate methods, and the Safety Data Sheet (SDS) should be consulted for detailed procedures.