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1,2-Dichloro-1-cyclobutene-3,4-dione
[CAS# 2892-63-9]

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Identification
Name1,2-Dichloro-1-cyclobutene-3,4-dione
SynonymsDichlorocyclobutenedione; Quadratic acid dichloride; Squaric acid dichloride; Squaryl dichloride
Molecular StructureCAS # 2892-63-9, 1,2-Dichloro-1-cyclobutene-3,4-dione
Molecular FormulaC4Cl2O2
Molecular Weight150.95
CAS Registry Number2892-63-9
EC Number821-831-2
Properties
SolubilitySoluble (35 g/L) (25 °C), Calc.*
Density1.74±0.1 g/cm3 (20 °C 760 Torr), Calc.*
Melting point51-52 °C**
Boiling point175.6±50.0 °C (760 Torr), Calc.*
Flash point66.0±30.7 °C, Calc.*
*Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)
**Maahs, Guenther
Safety Data
Hazard Classification
up    Details
HazardClassCategory CodeHazard Statement
Serious eye damageEye Dam.1H318
Specific target organ toxicity - single exposureSTOT SE3H335
Skin irritationSkin Irrit.2H315
Acute toxicityAcute Tox.4H302
SDSAvailable
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List of Reports Available for 1,2-Dichloro-1-cyclobutene-3,4-dione
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