| Identification | More | [Name]
3,6-Dichlorophthalic anhydride | [CAS]
4466-59-5 | [Synonyms]
3,6-DICHLOROPHTHALIC ANHYDRIDE
1,3-Isobenzofurandione, 4,7-dichloro-
4,7-dichloroisobenzofuran-1,3-dione
3,6-DICHLOROPHTHALIC ANHYDRIDE---WHITE POWDER, 98%---
4,7-Dichloro-1,3-isobenzofurandione | [EINECS(EC#)]
224-733-2 | [Molecular Formula]
C8H2Cl2O3 | [MDL Number]
MFCD00042786 | [Molecular Weight]
217.01 | [MOL File]
4466-59-5.mol |
| Safety Data | Back Directory | [Hazard Codes ]
Xi | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing . | [WGK Germany ]
3
| [F ]
10-21 |
| Hazard Information | Back Directory | [Chemical Properties]
off-white to white powder | [Purification Methods]
Boil the anhydride in xylene (allowing any vapours which would contain H2O to be removed, e.g. Dean and Stark trap), which causes any acid present to dehydrate to the anhydride, and cool. Recrystallise it from xylene [Villiger Chem Ber 42 3539 1909, Fedoorow Izv Akad Nauk SSSR Otd Khim Nauk 397 1948, Chem Abstr 1585 1948]. [Beilstein 17/11 V 260.] |
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