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p-Naphtholbenzein

Product Name
p-Naphtholbenzein
CAS No.
145-50-6
Chemical Name
p-Naphtholbenzein
Synonyms
α-Naphtholbenzein;A-NAPHTHOLBENZEIN;Nsc 9862;8.2-10.0);pha-NaphthoL;P-NAPTHOLBENZEIN;à-naphtholbenzein;ɑ-Naphtholbenzein;1-NAPHTHOLBENZEIN;P-NAPHTHOLBENZEIN
CBNumber
CB4450645
Molecular Formula
C27H18O2
Formula Weight
374.43
MOL File
145-50-6.mol
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p-Naphtholbenzein Property

Melting point:
230-235 °C(lit.)
Boiling point:
463.44°C (rough estimate)
Density 
1.0946 (rough estimate)
vapor density 
12.9 (vs air)
refractive index 
1.4875 (estimate)
storage temp. 
Store at +5°C to +30°C.
solubility 
Solubility Insoluble in water; soluble in ethanol, methanol
form 
Liquid
pka
8.95(at 25℃)
color 
Pale Red-Brown
PH Range
Green (0.0) to yellow (0.8);Yellow (8.2) to green-blue (11.0)
Odor
Odorless
Water Solubility 
insoluble
λmax
210nm
BRN 
3471575
Stability:
Stable. Combustible. Incompatible with strong oxidizing agents.
InChIKey
VDDWRTZCUJCDJM-SOYKGTTHSA-N
CAS DataBase Reference
145-50-6(CAS DataBase Reference)
EPA Substance Registry System
1(4H)-Naphthalenone, 4-[(4-hydroxy-1-naphthalenyl)phenylmethylene]- (145-50-6)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-37/39
WGK Germany 
3
10-21
TSCA 
Yes
HS Code 
29145000
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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.

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

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

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

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
291099
Product name
α-Naphtholbenzein
Purity
indicator grade
Packaging
5g
Price
$59.8
Updated
2024/03/01
Sigma-Aldrich
Product number
291099
Product name
α-Naphtholbenzein
Purity
indicator grade
Packaging
25g
Price
$213
Updated
2024/03/01
Sigma-Aldrich
Product number
1.06202
Product name
1-Naphtholbenzein
Purity
indicator Reag. Ph Eur
Packaging
5G
Price
$101
Updated
2024/03/01
TCI Chemical
Product number
N0028
Product name
p-Naphtholbenzein
Packaging
25g
Price
$267
Updated
2024/03/01
Alfa Aesar
Product number
A16125
Product name
alpha-Naphtholbenzein
Packaging
5g
Price
$43.9
Updated
2024/03/01
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p-Naphtholbenzein Chemical Properties,Usage,Production

Chemical Properties

deep red to rust-coloured crystals

Uses

alpha-Naphtholbenzein is a pH indicator (pH 0.0-0.8/ pH 8.2-10.0). Dyes and metabolites.

p-Naphtholbenzein Preparation Products And Raw materials

Raw materials

Preparation Products

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p-Naphtholbenzein Suppliers

Acros Organics
Tel
--
Fax
--
Email
info@acros.com
Country
Belgium
ProdList
6772
Advantage
81
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View Lastest Price from p-Naphtholbenzein manufacturers

Henan Fengda Chemical Co., Ltd
Product
p-Naphtholbenzein 145-50-6
Price
US $5.00-2.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-04-16
Career Henan Chemical Co
Product
α-Naphtholbenzein 145-50-6
Price
US $9.80/KG
Min. Order
1g
Purity
>98%
Supply Ability
20 tons
Release date
2020-02-10

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