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p-Benzoquinone

Name: p-Benzoquinone
Brand: MM
Price: 175 ILS

for synthesis

Synonym(s):

p-Benzoquinone, p-Quinone, 1,4-Benzoquinone, 1,4-Cyclohexadiene-3,6-dione

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Size/SKU	Availability	Price
100 g	Please contact Customer Service for Availability	₪175.00
	Please contact Customer Service for Availability	₪513.00
	Please contact Customer Service for Availability	₪514.00
1 kg	Please contact Customer Service for Availability	₪955.00
	Please contact Customer Service for Availability	₪4,327.00
	Please contact Customer Service for Availability	₪4,362.00
25 kg	Please contact Customer Service for Availability	₪19,415.00
50 kg	Please contact Customer Service for Availability	₪37,530.00

About This Item

Empirical Formula (Hill Notation):

C₆H₄O₂

CAS Number:

106-51-4

Molecular Weight:

108.09

UNSPSC Code:

12352115

EC Index Number:

203-405-2

NACRES:

NA.22

MDL number:

MFCD00001591

₪175.00

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Properties

vapor pressure

0.12 hPa ( 20 °C)

Quality Segment

200

form

solid

autoignition temp.

560 °C

potency

130 mg/kg LD₅₀, oral (Rat)

pH

4 (20 °C, 1 g/L in H₂O)

mp

110-113 °C

solubility

10 g/L

density

1.32 g/cm³ at 20 °C

bulk density

700 kg/m³

storage temp.

2-30°C

SMILES string

O=C1C=CC(=O)C=C1

InChI

1S/C6H4O2/c7-5-1-2-6(8)4-3-5/h1-4H

InChI key

AZQWKYJCGOJGHM-UHFFFAOYSA-N

Description

Application

p-Benzoquinone can be used as:

A free-radical inhibitor.
A catalyst to synthesize highly site-selective N1-alkylated benzotriazoles by N1-alkylation of benzotriazoles with diazo compounds.
A hydrogen acceptor and two electron oxidant in Pd-catalyzed Wacker oxidation of aryl olefins aldehydes.
A redox mediator in Pd-catalyzed anaerobic electrooxidative homocoupling of aryl-boron derivatives.

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This Item	802940	195464	D223204
Sigma-Aldrich 802410 p-Benzoquinone	Sigma-Aldrich 802940 2,3-Dichloro-5,6-dicyano-p-benzoquinone	Sigma-Aldrich 195464 2,5-Dihydroxy-1,4-benzoquinone	Sigma-Aldrich D223204 Duroquinone
description for synthesis	description for synthesis	description 98%	description 97%
bulk density 700 kg/m³	bulk density -	bulk density -	bulk density -
form solid	form powder	form -	form powder
storage temp. 2-30°C	storage temp. 2-30°C	storage temp. -	storage temp. -
vapor pressure 0.12 hPa ( 20 °C)	vapor pressure -	vapor pressure -	vapor pressure -
pH 4 (20 °C, 1 g/L in H₂O)	pH -	pH -	pH -
mp 110-113 °C	mp 209-214 °C	mp 235 °C (dec.) (lit.)	mp 110-112 °C (lit.)

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pictograms

GHS02,GHS06,GHS08,GHS05,GHS09

signalword

Danger

hcodes

H228,H301 + H331,H314,H317,H335,H341,H410

pcodes

P210 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Flam. Sol. 1 - Muta. 2 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

4.1B - Flammable solid hazardous materials

wgk

WGK 3

flash_point_f

170.6 °F - closed cup

flash_point_c

77 °C - closed cup

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