ChemicalBook > CAS DataBase List > 2-CHLORO-1,4-BENZOQUINONE

2-CHLORO-1,4-BENZOQUINONE

Product Name: 2-CHLORO-1,4-BENZOQUINONE
CAS No.: 695-99-8
Chemical Name: 2-CHLORO-1,4-BENZOQUINONE
Synonyms: 2-chlorocyclohexa-2,5-diene-1,4-dione;NSC 526777;Chloroquinone;2-Chloroquinone;Monochloroquinone;Chloro-p-benzoquinone;benzoquinone,2-chloro-;Chloro-1,4-benzoquinone;2-Chloro-p-benzoquinone;Monochlorobenzoquinone
CBNumber: CB6356394
Molecular Formula: C6H3ClO2
Formula Weight: 142.54
MOL File: 695-99-8.mol

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2-CHLORO-1,4-BENZOQUINONE Property

Melting point:: 52-57 °C
Boiling point:: 210℃
Density: 1.40
refractive index: 1.4620 (estimate)
Flash point:: 83℃
storage temp.: Storage temp. 2-8°C
form: Crystals
color: Yellow to brown
CAS DataBase Reference: 695-99-8(CAS DataBase Reference)

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Safety

Hazard Codes: Xi,Xn,F
Risk Statements: 36/37/38-15-10
Safety Statements: 26-37/39-43-36-7/8
WGK Germany: 3
HS Code: 29147000

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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.

P271Use only outdoors or in a well-ventilated area.

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

P302+P352IF ON SKIN: wash with plenty of soap and water.

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

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 343382
Product name: 2-Chloro-1,4-benzoquinone
Purity: 95%
Packaging: 5g
Price: $99.75
Updated: 2025/07/31

TRC

Product number: C382200
Product name: 2-Chloro-1,4-Benzoquinone
Packaging: 500mg
Price: $75
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FC32200
Product name: 2-Chloro-1,4-benzoquinone
Packaging: 1g
Price: $70
Updated: 2021/12/16

AK Scientific

Product number: Y1598
Product name: 2-Chloro-1,4-benzoquinone
Packaging: 5g
Price: $143
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FC32200
Product name: 2-Chloro-1,4-benzoquinone
Packaging: 5G
Price: $200
Updated: 2021/12/16

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2-CHLORO-1,4-BENZOQUINONE Chemical Properties,Usage,Production

Chemical Properties

YELLOW TO BROWN CRYSTALS

Uses

2-Chloro-1,4-benzoquinone may be used in the preparation of chloro derivatives of prenylnaphthohydroquinone.

General Description

2-Chloro-1,4-benzoquinone is a quinone derivative. It is one of the intermediate formed during the degradation of 3,4-dichloroaniline in a dielectric barrier discharge plasma reactor. It is formed during lignin peroxidase catalyzed oxidation of 2-chloro-1,4-dimethoxybenzene. 2-Chloro-1,4-benzoquinone on dechlorination yields 1,2,4-trihydroxybenzene.

Synthesis

609-66-5

695-99-8

GENERAL METHOD: Diacetoxyiodobenzene (5 mmol, 1.61 g) and NaHSO4-H2O (1 mmol, 0.138 g) were stirred in an aqueous acetonitrile solution (5 mL of water and 5 mL of acetonitrile) for 10-15 minutes at room temperature. To this reaction mixture, 2-chlorobenzamide (1 mmol) was added and stirring was continued until the reaction was complete (monitored by TLC). Upon completion of the reaction, the reaction mixture was quenched with ice water and subsequently extracted with chloroform (3 x 10 mL). The chloroform layers were combined, washed with water (3 x 20 mL), dried with anhydrous Na2SO4 and concentrated on a rotary evaporator to give the crude product. The crude product was further purified by silica gel column chromatography using ethyl acetate: hexane (1:9, v/v) as eluent to give pure 2-chloro-1,4-benzoquinone.

References

[1] Organic Letters, 2010, vol. 12, # 20, p. 4644 - 4647
[2] Synthetic Communications, 2014, vol. 44, # 4, p. 468 - 473

2-CHLORO-1,4-BENZOQUINONE Preparation Products And Raw materials

Raw materials

Preparation Products

polyvinyl carbazole-chloroquinone charge transfer complex

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2-CHLORO-1,4-BENZOQUINONE Suppliers

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695-99-8, 2-CHLORO-1,4-BENZOQUINONERelated Search:

CHLORANILIC ACID LANTHANUM SALT BARIUM CHLORANILATE 2,5-Dichlorobenzo-1,4-quinone Chloranilic acid MERCURIC CHLORANILATE 2,6-DICHLORO-1,4-BENZOQUINONE Chloranil CHLORANILIC ACID SODIUM SALT 2-CHLORO-1,4-BENZOQUINONE 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone Tetrachloro-o-benzoquinone 2,5-DICHLORO-3,6-DIMETHYL-P-BENZOQUINONE SILVER CHLORANILATE CHLORANILIC ACID BARIUM SALT TRIHYDRATE 2,3,5-TRICHLORO-1,4-BENZOQUINONE 2,5-diamino-3,6-dichloro-p-benzoquinone 2-CHLORO-5-METHYL-1,4-BENZOQUINONE 4-Chloro-1,2-benzoquinone

2-CHLORO-1,4-BENZOQUINONE

benzoquinone,2-chloro-

Chloro-1,4-benzoquinone

Chloro-p-benzoquinone

Chloroquinone

Monochloro-p-benzoquinone

Monochloroquinone

p-Benzoquinone, 2-chloro-

Monochlorobenzoquinone

2-CHLORO-PARA-BENZOQUINONE

2-chlorocyclohexa-2,5-diene-1,4-dione

2-Chloro-2,5-cyclohexadiene-1,4-dione

NSC 526777

2-Chloro-1,4-benzoquinone,95%

2-Chloro-1,4-benzoquinone 95%

2,5-Cyclohexadiene-1,4-dione, 2-chloro-

2-Chloro-2,5-cyclohexadien-1,4-dione

2-Chlorobenzo-1,4-quinone

2-Chloro-p-benzoquinone

2-Chloroquinone

695-99-8

C6H3ClO2

C6H3O2Cl

Ketones

Organic Building Blocks

Building Blocks

C3 to C6

Carbonyl Compounds

C3 to C6

Carbonyl Compounds

Ketones