802940
2,3-Dichloro-5,6-dicyano-p-benzoquinone
for synthesis
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03 June 2012
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| Product information | |||
|---|---|---|---|
| Synonyms | 4,5-Dichloro-3,6-dioxo-1,4-cyclohexadiene-1,2-dicarbonitrile, DDQ | ||
| Hill Formula | C8Cl2N2O2 | ||
| Chemical formula | 2,3-(Cl)2-1-(=O)C6-4-(=O)-5,6-(CN)2 | ||
| HS Code | 2926 90 95 | ||
| EC number | 201-542-2 | ||
| Molar mass | 227 g/mol | ||
| CAS number | 84-58-2 | ||
| Chemical and physical data | |||
|---|---|---|---|
| Solubility | (20 °C) (decomposition) | ||
| Melting point | 209 - 214 °C | ||
| Molar mass | 227 g/mol | ||
| Safety information according to GHS | |||
|---|---|---|---|
| Hazard Statement(s) |
H301: Toxic if swallowed. EUH029: Contact with water liberates toxic gas. |
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| Precautionary Statement(s) |
P260: Do not breathe dust. P262: Do not get in eyes, on skin, or on clothing. |
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| Signal Word | Danger | ||
| Hazard Pictogram(s) |
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| 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). |
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| Safety information | |||
|---|---|---|---|
| R Phrase |
R 25-29 Toxic if swallowed.Contact with water liberates toxic gas. |
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| 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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| Categories of danger | toxic | ||
| Hazard Symbol |
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| Transport information | |||
|---|---|---|---|
| Declaration (railroad and road) ADR, RID | UN 3439 Nitrile, fest, giftig, n.a.g.(DICHLOR-DICYAN-P-BENZOCHINON), 6.1, II | ||
| Declaration (transport by sea) IMDG-Code | UN 3439 NITRILES, TOXIC, SOLID, N.O.S.(2,3-DICHLORO-5,6-DICYANO-P-BENZOQUINONE), 6.1, II | ||
| Declaration (transport by air) IATA-DGR | UN 3439 NITRILES, TOXIC, SOLID, N.O.S.(2,3-DICHLORO-5,6-DICYANO-P-BENZOQUINONE), 6.1, II | ||
| Toxicological data | |||
|---|---|---|---|
| LD 50 oral | LD50 rat 86 mg/kg | ||
