| Identification | |
| Name: | 1,4-Benzenediol,2,3,5,6-tetrachloro- |
| Synonyms: | Hydroquinone,tetrachloro- (6CI,7CI,8CI); 2,3,5,6-Tetrachloro-1,4-benzenediol;2,3,5,6-Tetrachloro-1,4-dihydroxybenzene; 2,3,5,6-Tetrachlorohydroquinone;Dihydro-p-chloranil; NSC 100888; NSC 4858; Nordrosophilin A;Perchlorohydroquinone; Tetrachloro-1,4-benzenediol;Tetrachloro-1,4-hydroquinone; Tetrachloro-p-benzohydroquinone;Tetrachloro-p-hydroquinone; Tetrachlorobenzoquinol |
| CAS: | 87-87-6 |
| EINECS: | 201-779-1 |
| Molecular Formula: | C6H2 Cl4 O2 |
| Molecular Weight: | 247.88 |
| InChI: | InChI=1/C6H2Cl4O2/c7-1-2(8)6(12)4(10)3(9)5(1)11/h11-12H |
| Molecular Structure: |  |
| Properties | |
| Melting Point: | 238-240ºC |
| Flash Point: | 126.9ºC |
| Boiling Point: | 286.2 ºC |
| Density: | 1.848 g/cm3 |
| Refractive index: | 1.661 |
| Appearance: | tan-coloured or yellowish powder |
| Specification: |
Tetrachlorohydroquinone with CAS registry number of 87-87-6 is beige to orange crystals, known as 2,3,5,6-Tetrachloro-1,4-benzenediol ; 2,3,5,6-Tetrachlorohydroquinone ; 4-06-00-05775 (Beilstein Handbook Reference) ; AI3-15490 ; CCRIS 4143 ; Dihydro-p-chloranil ; NSC 100888 ; Nordrosophilin A ; Perchlorohydroquinone ; Tetrachloro p-hydroquinone ; Tetrachloro-p-benzohydroquinone ; Tetrachloro-p-hydroquinone ; Tetrachlorobenzoquinol ; USAF DO-62 ; 1,4-Benzenediol, 2,3,5,6-tetrachloro- ; Hydroquinone, tetrachloro- . When heated to decomposition, it emits irritating and toxic fumes and gases. |
| Report: |
Reported in EPA TSCA Inventory. |
| Flash Point: | 126.9ºC |
| Safety Data | |
| Hazard Symbols |
Xn: Harmful
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