ChemicalBook > CAS DataBase List > 5-Amino-1-naphthol

5-Amino-1-naphthol

Product Name
5-Amino-1-naphthol
CAS No.
83-55-6
Chemical Name
5-Amino-1-naphthol
Synonyms
5,1-ANL;C.I. 76650;5-Amino-1-phthol;1-AMINO-5-NAPHTHOL;5-AMINO-1-NAPHTHOL;5-Amino-1-naphtho1;1-Naphthol, 5-amino-;5-amino-1-naphthaleno;LABOTEST-BB LT00080649;5-Amino-alpha-naphthol
CBNumber
CB7471078
Molecular Formula
C10H9NO
Formula Weight
159.18
MOL File
83-55-6.mol
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5-Amino-1-naphthol Property

Melting point:
190 °C (dec.) (lit.)
Boiling point:
284.68°C (rough estimate)
Density 
1.1202 (rough estimate)
refractive index 
1.6070 (estimate)
storage temp. 
-20°C Freezer
solubility 
DMSO (Slightly), Methanol (Slightly)
pka
3.97(at 25℃)
form 
Solid
color 
Light Purple to Purple
CAS DataBase Reference
83-55-6(CAS DataBase Reference)
NIST Chemistry Reference
5-Amino-1-naphthol(83-55-6)
EPA Substance Registry System
1-Naphthalenol, 5-amino- (83-55-6)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-37/39
WGK Germany 
3
HS Code 
29222990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
376469
Product name
5-Amino-1-naphthol
Purity
95%
Packaging
25g
Price
$55.14
Updated
2024/03/01
Sigma-Aldrich
Product number
376469
Product name
5-Amino-1-naphthol
Purity
95%
Packaging
100g
Price
$137.6
Updated
2024/03/01
TCI Chemical
Product number
A0358
Product name
5-Amino-1-naphthol
Purity
>97.0%(HPLC)(T)
Packaging
1g
Price
$70
Updated
2024/03/01
TRC
Product number
A618670
Product name
5-Amino-1-naphthol
Packaging
100mg
Price
$60
Updated
2021/12/16
Biosynth Carbosynth
Product number
FA33809
Product name
5-Amino-1-naphthol
Packaging
500mg
Price
$60
Updated
2021/12/16
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5-Amino-1-naphthol Chemical Properties,Usage,Production

Chemical Properties

pale purple to brown-purple crystalline powder

Uses

5-Amino-1-naphthol is used as a coupling component for azo dyes (coupling takes place ortho to the amino or hydroxyl group, or para to the hydroxyl group depending on the pH), and as an intermediate for sulfur dyes.

Preparation

1-Aminonaphthalene-5-sulfonic acid paste (Section 6.2) is added to molten sodium hydroxide at 200°C, and the reaction is completed by heating slowly to 250°C and maintaining this temperature for 3 h. After dilution and careful neutralization with hydrochloric acid, 5-amino-1-naphthol precipitates in 85 % yield (mp 192°C).

5-Amino-1-naphthol Preparation Products And Raw materials

Raw materials

Preparation Products

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5-Amino-1-naphthol Suppliers

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View Lastest Price from 5-Amino-1-naphthol manufacturers

Career Henan Chemical Co
Product
5-Amino-1-naphthol 83-55-6
Price
US $1.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
Customized
Release date
2018-12-22

83-55-6, 5-Amino-1-naphtholRelated Search:

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