Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
Price: ￥118.0/25g ￥348.0/100g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

84-58-2

84-58-2 structure

84-58-2 structure

Name: 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
Chemical Name: 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
CAS Number: 84-58-2
Molecular Formula: C₈Cl₂N₂O₂
Molecular Weight: 227.004
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Methylpyridine
Create Date: 2018-12-13 11:17:07
Modify Date: 2025-08-24 17:49:39

Name	2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
Synonyms	DDQ 2,3-dichloro-5,6-dicyanobenzoquinone 4,5-Dichloro-3,6-dioxo-1,4-cyclohexadiene-1,2-dicarbonitrile EINECS 201-542-2 2,3-Dichloro-5,6-dicyano-p-benzoquinone 4,5-Dichlor-3,6-dioxocyclohexa-1,4-dien-1,2-dicarbonitril 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone dichlorodicyanobenzoquinone 4,5-Dichloro-3,6-dioxocyclohexa-1,4-diene-1,2-dicarbonitrile MFCD00001593 dichlorodicyanoquinone 1,4-Cyclohexadiene-1,2-dicarbonitrile, 4,5-dichloro-3,6-dioxo-

Density	1.7±0.1 g/cm3
Boiling Point	301.8±42.0 °C at 760 mmHg
Melting Point	210-215 °C (dec.)(lit.)
Molecular Formula	C₈Cl₂N₂O₂
Molecular Weight	227.004
Flash Point	136.3±27.9 °C
Exact Mass	225.933685
PSA	81.72000
LogP	-0.54
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.601
Water Solubility	reacts

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GU4825000

CHEMICAL NAME :: 1,4-Cyclohexadiene-1,2-dicarbonitrile, 4,5-dichloro-3,6-dioxo-

CAS REGISTRY NUMBER :: 84-58-2

LAST UPDATED :: 199701

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C8-Cl2-N2-O2

MOLECULAR WEIGHT :: 227.00

WISWESSER LINE NOTATION :: L6V DVJ BCN CCN EG FG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 31 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 13 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 180 nmol/plate

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 347,37,1995

Symbol	GHS06
Signal Word	Danger
Hazard Statements	H301
Supplemental HS	Contact with water liberates toxic gas.
Precautionary Statements	P301 + P310
Personal Protective Equipment	Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes	T:Toxic
Risk Phrases	R20/21;R25;R37/38;R41
Safety Phrases	S22-S24/25-S37-S45-S36/37-S26
RIDADR	UN 3439 6.1/PG 3
WGK Germany	3
RTECS	GU4825000
Packaging Group	II
Hazard Class	6.1
HS Code	2926909090

Precursor 6
1425681-45-3 4640-41-9 4622-04-2 6476-44-4
35079-56-2 84-58-2
DownStream 10
52805-36-4 43020-38-8 4210-32-6 939-79-7
37942-07-7 73048-90-5 20297-37-4 588-46-5
100-52-7 108-95-2

HS Code	2926909090
Summary	HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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