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LC1558 1,2-Dihydroxy-3,4-cyclobutenedione
for synthesis

 

Order number Packaging Quantity Price €
AC28558 Glass bottle 5 g 49.95

 

Product information
Synonyms Quadratic acid
Hill Formula C4H2O4
HS Code 2914 40 90
EC number 220-761-4
Molar mass 114.05 g/mol
CAS number 2892-51-5

 

Chemical and physical data
Ignition temperature 400 °C
Solubility 20 g/l (30 °C)
Melting point 293 °C decomposes
Molar mass 114.05 g/mol
Density 1.82 g/cm3
pH value 1 (1 g/l, H2O, 20 °C)
Vapor pressure < – 0.01 hPa (20 °C)
Flash point 190 °C

 

Safety information
R Phrase R 34
Causes burns.
S Phrase S 26-36/37/39-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger corrosive
Hazard Symbol corrosive
RTECS
Storage class 8 A Combustible substances, corrosive
WGK WGK 3 highly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

 

Transport information
Declaration (transport by sea) IMDG-Code UN 3261 CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.(1,2-DIHYDROXYCYCLOBUTENE DIONE), 8, II, Segregation Group: 1 (Acids)
Declaration (transport by air) IATA-DGR UN 3261 CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.(1,2-DIHYDROXYCYCLOBUTENE DIONE), 8, II

 

Specifications
Assay (acidimetric) ≥ 99 %
Identity (IR) passes test

 

Hazard Symbol