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Merck
CN

12309

p-Benzoquinone

for spectrophotometric det. of amines, ≥99.5% (HPLC)

Synonym(s):

Quinone

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About This Item

Linear Formula:
C6H4(=O)2
CAS Number:
Molecular Weight:
108.09
UNSPSC Code:
12352005
NACRES:
NA.21
PubChem Substance ID:
EC Number:
203-405-2
Beilstein/REAXYS Number:
773967
MDL number:
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vapor density

3.73 (vs air)

Quality Level

vapor pressure

0.1 mmHg ( 25 °C)

assay

≥99.5% (HPLC)

form

powder or crystals

autoignition temp.

815 °F

quality

for spectrophotometric det. of amines

technique(s)

UV/Vis spectroscopy: suitable

sublimation residue

≤0.1%

color

, Faint Yellow to Very Dark Yellow to Very Dark Beige and Green-Yellow

mp

112-114 °C, 113-115 °C (lit.)

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

Application

P-Benzoquinone along with tetrathiafulvalene (TTF) was used as mediators, in an experimental study based on different parameters affecting the preparation of enzyme electrochemical biosensors using self-assembled monolayer (SAM)-modified electrodes is reported. It may be used for spectrophotometric determination of cysteine and/or carbocysteine in a mixture of amino acids, shampoo, and pharmaceutical. It may also be used as an effective cogent in peroxide-initiated crosslinking of polypropylene.

Other Notes

Reagent for the spectrophotometric microdetermination of amines


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Danger

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

ppe

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

Regulatory Information

危险化学品

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Spectrophotometric microdetermination of amines and sulfamates with 1,4-Benzoquinone.
G A Benson et al.
Analytical chemistry, 48(14), 2149-2152 (1976-12-01)
Preparation, characterization and application of alkanethiol self-assembled monolayers modified with tetrathiafulvalene and glucose oxidase at a gold disk electrode.
Campuzano S
Journal of Electroanalytical Chemistry, 526 (1), 92-100 (2002)
Peroxide-initiated crosslinking of polypropylene in the presence of p-benzoquinone.
Chodak I and Lazar M.
Journal of Polymer Science: Part A, General Papers, 32 (6), 5432-5437 (1986)



Global Trade Item Number

SKUGTIN
259128-250MG04061833279045
259128-1G04061826075197
12309-100G04061832920788
12309-25G04061838722041