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1,4-Dihydroxynaphthalene

1,4-Dihydroxynaphthalene Structure
CAS No.
571-60-8
Chemical Name:
1,4-Dihydroxynaphthalene
Synonyms
NAPHTHALENE-1,4-DIOL;1,4-NAPHTHALENEDIOL;1,4-NDO;1.4-Dihydroxyn;1,4-naphthoquinol;1,4-NAPTHALENEDIOL;Hydronaphthoquinone;Naphthohydroquinone;Naphthalin-1,4-diol;1,4-Naphththalenediol
CBNumber:
CB4756341
Molecular Formula:
C10H8O2
Molecular Weight:
160.17
MOL File:
571-60-8.mol
MSDS File:
SDS
Modify Date:
2024/4/28 16:56:32

1,4-Dihydroxynaphthalene Properties

Melting point 191-192 °C (dec.)
Boiling point 246.06°C (rough estimate)
Density 1.0924 (rough estimate)
refractive index 1.5178 (estimate)
storage temp. Refrigerator
solubility DMSO (Slightly), Methanol (Slightly)
pka pK1:9.37;pK2:10.93 (26°C,μ=0.65)
color Grey
Water Solubility slightly soluble
BRN 1307689
CAS DataBase Reference 571-60-8(CAS DataBase Reference)
NIST Chemistry Reference 1,4-Naphthalenediol(571-60-8)
EPA Substance Registry System 1,4-Naphthalenediol (571-60-8)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS05,GHS07
Signal word  Danger
Hazard statements  H302-H315-H318-H335-H412
Precautionary statements  P261-P273-P280-P301+P312-P302+P352-P305+P351+P338
Hazard Codes  Xn,T
Risk Statements  22-37/38-41-43-36/37/38-25
Safety Statements  26-39-45-36/37/39-28A-24
WGK Germany  3
RTECS  QJ4730000
8-10-16-23
HS Code  2921450090
NFPA 704
0
2 0

1,4-Dihydroxynaphthalene price More Price(3)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) 70430 1,4-Dihydroxynaphthalene technical, ≥90% (HPLC) 571-60-8 10G ₹7934.73 2022-06-14 Buy
TCI Chemicals (India) D0589 1,4-Dihydroxynaphthalene min. 98.0 % 571-60-8 5G ₹4500 2022-05-26 Buy
TCI Chemicals (India) D0589 1,4-Dihydroxynaphthalene min. 98.0 % 571-60-8 25G ₹18600 2022-05-26 Buy
Product number Packaging Price Buy
70430 10G ₹7934.73 Buy
D0589 5G ₹4500 Buy
D0589 25G ₹18600 Buy

1,4-Dihydroxynaphthalene Chemical Properties,Uses,Production

Chemical Properties

brown to greyish powder. 1,4-Naphthalenediol [571-60-8], mp 195℃, is synthesized by reduction of 1,4- naphthoquinone with sodium dithionite, or by hydrolysis of 4-amino-1-naphthol with 20 % sulfuric acid. It undergoes oxidation to give 1,4-naphthoquinone; amination to give 4-amino-1-naphthol; and methylation (MeOH – HCl) to give 4-methoxy-1-naphthol.

Uses

1,4-Dihydroxynaphthalene is frequently used in organic synthesis as a reagent. In particular, it is used in the synthesis of a pH independent and cell permeant fluorescent dye, a hydroxyl regioisomeric 3'',4''-benzorhodol, which can be used as a fluorescent chemosensor and biomarker for biological applications.

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1,4-NAPHTHOHYDROQUINONE 1,4-NAPTHALENEDIOL P-NAPHTHOHYDROQUINONE 1,4-DIHYDROXYNAPHTHALENE 1,4-NDO 1,4-Dihydroxynaphthalene, 95+% ALPHA-NAPHTHOHYDROQUINONE 1,4-dihydroxynaphthalene,1:1mixturewith1,4-naphthoquinone 1,4-naphthoquinol 1,4-Naphththalenediol alpha-naphthoquinhydrone Hydronaphthoquinone Naphthalenediol-(1,4) Naphthohydroquinone 1,4-DIHYDROXYNAPTHALENE 1,4-Naphthalenediol, p-Naphthohydroquinone (α) 1,4-Dihydroxynaphthalene, balance mainly 1,4-Naphthoquinone,92% 1,4-Dihydroxynaphthalene, balance mainly 1,4-Naphthoquinone, 92% Naphthalene-1,4-diol, 95%+ 1,4-Naphthalenediol alpha-Naphthohydroquinone 1.4-Dihydroxyn 1,4-Dihydroxynaphthalene, technical 1,4-Dihydroxynaphthalene > Naphthalin-1,4-diol 1,4-NAPHTHALENEDIOL NAPHTHALENE-1,4-DIOL Bifeprunox Impurity 10 571-60-8 Oxygen Compounds Polyols Organic Building Blocks Building Blocks Naphthalene derivatives Intermediates of Dyes and Pigments