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8.02940 EMD Millipore

2,3-Dichloro-5,6-dicyano-p-benzoquinone

2,3-Dichloro-5,6-dicyano-p-benzoquinone for synthesis. CAS 84-58-2, chemical formula 2,3-(Cl)₂-1-(=O)C₆-4-(=O)-5,6-(CN)₂., for synthesis

Synonym: 4,5-Dichloro-3,6-dioxo-1,4-cyclohexadiene-1,2-dicarbonitrile, DDQ

  • CAS Number 84-58-2

  • Linear Formula C₈Cl₂N₂O₂

  • Molecular Weight 227 g/mol

  •  EC Number 201-542-2

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Properties

Related Categories Biochemicals and Reagents More...
packaging   25 g in Glass bottle (8029400025)
mp   209 - 214 °C
LD 50 oral   LD50 Rat 86 mg/kg
storage temp.   Store below +30°C.
specifications   Assay (iodometric): ≥ 98.0 %
  Identity (IR): passes test

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Safety Information

HS Code 
2926 90 70
Hazard Statement(s) 
H301: Toxic if swallowed.
EUH029: Contact with water liberates toxic gas.
Precautionary Statement(s) 
P260: Do not breathe dust.
P262: Do not get in eyes, on skin, or on clothing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Storage class 
6.1A Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK 
WGK 3 highly water endangering
Disposal 
9
Carcinogenic compounds and flammable compounds labelled "Highly toxic" or "Toxic": container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).
Hazard Pictogram(s) 
GHS06  GHS06
Hazard Symbols 
Toxic  Toxic
Declaration (railroad and road) ADR, RID 
UN 3439 , 6.1, II
Declaration (transport by air) IATA-DGR 
UN 3439 , 6.1, II
Declaration (transport by sea) IMDG-Code 
UN 3439 , 6.1, II
Categories of danger 
toxic
R Phrase 
R 25-29
Toxic if swallowed.Contact with water liberates toxic gas.
S Phrase 
S 22-24/25-37-45
Do not breathe dust.Avoid contact with skin and eyes.Wear suitable gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
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