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Squaric Acid

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Squaric Acid / CAS : 2892-51-5

Appearance White to beige Crystalline Powder UN 0.0
HS 29420000 DG Class 0.0
Synonyms Dihydroxy-Cyclobutenedion; Dihydroxycyclobutenedione; Squaricaciddibutylesters; Squaric; 1-Cyclobutene-3,4-Dione-1,2-Diol; Quadratic ACID; 2-Dione; Diketocyclobutenediol; 3,4-Dihydroxy-3-Cyclobutene-1,2-Dione; Squarc ACID; 3,4-Dihydroxy-3-Cyclobuten-1,2-Dione; 3,4-Dihydroxycyclobut-3-Ene-1,2-Dione; 1,2-Dihydroxy-3,4-Cyclobutenedione For S; Nsc 624671
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Properties

Summary

Formula
C4H2O4
Molecular Mass
114.06
Exact Mass
113.99500
PSA
74.60000
Logp
-0.53420
IUPAC
3,4-dihydroxycyclobut-3-ene-1,2-dione
SMILES
C1(=C(C(=O)C1=O)O)O

Attribute classification

Matter Classification
organic
Category
Electronic Chemicals > Liquid Crystal And Conductive Compounds

Chemical and Physical Properties

Melting Point
>300 °C(lit.)
Density
1.82 g/cm3
Boiling Point
250.96°C
Flash Point
190 °C
Appearance
White to beige Crystalline Powder

Export information

HS Code
29420000
Export Rebate
13%
UN No.
0.0
DG-Class
0.0
Risk Code
36/37/38-43
Safety Label
Xi

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