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2,3-Dichloro-5,6-dicyano-1,4-benzoquinone

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Origin: China

Cas No: 84-58-2

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details
CAS No.:
84-58-2
Other Names:
84-58-2
MF:
C8Cl2N2O2
EINECS No.:
201-542-2
Place of Origin:
Shandong, China
Type:
Agrochemical Intermediates, Dyestuff Intermediates, Flavor & Fragrance Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates
Purity:
≥98%
Brand Name:
Finerchem
Model Number:
84-58-2
Application:
Organic Synthesis
Appearance:
Yellow to orange powder
Product name:
2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
Molecular Weight:
227.01
Packaging&Delivery
Packaging Details
Liquid product packaging:
1kg/bottle, 25kg/drum, or as your demand
Solid package:
Aluminum foil bag for within 10kg
Fiber drum for 10kg and more
Shipping: By air, by sea or by courier (VIP account of TNT, DHL, Fedex and EMS)
Port
Shanghai Port

Property

CAS No.: 84-58-2 Formula: C8Cl2N2O2 Molecular Weight: 227.00400

Description

2,3-Dichloro-5,6-dicyano-1,4-benzoquinone (or DDQ) is the chemical reagent with formula C6Cl2(CN)2O2. This oxidant is useful for the dehydrogenation of alcohols, phenols, and steroid ketones in organic chemistry. DDQ decomposes in water, but is stable in aqueous mineral acid.

Basic Info

Chemical Name	2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
Synonyms	4,5-dichloro-3,6-dioxocyclohexa-1,4-diene-1,2-dicarbonitrile; 1,4-Cyclohexadiene-1,2-dicarbonitrile, 4,5-dichloro-3,6-dioxo-;
CAS No.	84-58-2
Molecular Formula	C8Cl2N2O2
Molecular Weight	227.00400
PSA	81.72000
LogP	1.17116

Properties

Appearance & Physical State	yellow to orange powder
Density	1.7 g/cm3
Boiling Point	301.8ºC at 760 mmHg
Melting Point	213-216ºC
Flash Point	136.3ºC
Refractive Index	1.601
Water Solubility	reacts
Stability	Stable under normal temperatures and pressures.
Storage Condition	0-6ºC

Safety Info

RTECS	GU4825000
Hazard Class	6.1
Safety Statements	S26-S36/37-S45
HS Code	2926909090
Packing Group	II
WGK Germany	3
RIDADR	UN 3439 6.1/PG 3
Risk Statements	R20/21; R25; R37/38; R41
Hazard Codes	T
Symbol	GHS06
Hazard Declaration	H301
Supplemental Hazard Statements	Contact with water liberates toxic gas.
Caution Statement	P301 + P310
Signal Word	Danger

Synthesis Route

pyrene - 2,3-dichloro-5,6-dicyano-p-benzoquinone complex→pyrene+2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
4,5-dichloro-3,6-dioxocyclohexa-1,4-diene-1,2-dicarbonitrile compound with 3-(2-(4-(6-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one (1:1)→risperidone+2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
4,5-dichloro-3,6-dihydroxybenzene-1,2-dicarbonitrile→2,3-Dichloro-5,6-dicyano-1,4-benzoquinone

Precursor

4-chloro-3,6-dihydroxyphthalonitrile
3,6-dioxocyclohexa-1,4-diene-1,2-dicarbonitrile
5-chloro-2,3-dicyano-p-benzoquinone
4,5-dichloro-3,6-dihydroxybenzene-1,2-dicarbonitrile

Downstream Product

4-Methyl-3-nitrobenzonitrile
3,5-Bis(1,1-dimethylethyl)-2-hydroxy-benzaldehyde
4-Benzyloxybenzonitrile
4-tert-Butylbenzonitrile

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