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p-Naphtholbenzein

p-Naphtholbenzein structure

CAS No:
145-50-6
Formula:
C27H18O2
Chemical Name:
p-Naphtholbenzein
Synonyms:
α-Naphtholbenzein,4,4′-(α-Hydroxybenzylidene)di-1-naphthol, p-naphtholbenzein;alpha-Naphtholbenzein, pure, 90% 10GR;alpha-Naphtholbenzein, pure, 90% 25GR;1-NAPHTHOLBENZEIN INDICATOR 5 G;α- naphthol quinone phenylMethane;MAG BIND EQUIPURE GDNA (1X96);1-Naphtholbenzein indicator Reag. Ph Eur;1(4H)-Naphthalenone, 4-(4-hydroxy-1-naphthalenyl)phenylmethylene-
Categories:
Biochemical Engineering > Biochemical Reagents

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Description

deep red to rust-coloured crystals

p-Naphtholbenzein Basic Attributes

Molecular Weight：

374.43

Exact Mass：

374.43

BRN：

3471575

EC Number：

205-656-3

TSCA：

TSCA listed

DSSTox ID：

DTXSID6059730

Color/Form：

Pale Red-Brown

HScode：

29145000

Characteristics

λmax：

210nm

PSA：

37.30000

XLogP3：

7.11

Appearance：

Pale Red-Brown Liquid

Density：

1.0946 (rough estimate)

Melting Point：

230-235 °C(lit.)

Boiling Point：

463.44°C (rough estimate)

Flash Point：

242.3±22.7 °C

Refractive Index：

1.4875 (estimate)

Water Solubility：

insoluble

Storage Conditions：

Store at +5°C to +30°C.

Vapor Density：

12.9 (vs air)

Odor：

Odorless

PH：

0.0, green0.8, yellow10.0, blue-green8.2, yellow

PKA：

8.95(at 25℃)

Critical Temperature & Pressure：

Store at +5°C to +30°C.

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

safety instructions：

26-36-37/39

Marks：

Stability/Shelf Life：

Stable. Combustible. Incompatible with strong oxidizing agents.

Hazard Statements：

36/37/38

p-Naphtholbenzein Use and Manufacturing

Uses

Acid-base indicator, pH8.5 (yellow) ~ 9.8 (green)

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

Manufacturing Info：

1(4H)-Naphthalenone, 4-[(4-hydroxy-1-naphthalenyl)phenylmethylene]-: ACTIVE

Computed Properties

Molecular Weight:374.4
XLogP3:6.6
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:2
Exact Mass:374.130679813
Monoisotopic Mass:374.130679813
Topological Polar Surface Area:37.3
Heavy Atom Count:29
Complexity:668
Defined Bond Stereocenter Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Recommended Suppliers of p-Naphtholbenzein

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p-Naphtholbenzein

CAS No.: 145-50-6

Content: 99.00%

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alpha-Naphtholbenzein 145-50-6

CAS No.: 145-50-6

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Guide of p-Naphtholbenzein

Description
Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
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p-Naphtholbenzein

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