CIS-CYCLOBUTANE-1,2-DICARBOXYLIC ACID
- CAS NO.：1461-94-5
- Empirical Formula: C6H8O4
- Molecular Weight: 144.13
- MDL number: MFCD00019263
- EINECS: 676-366-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2022-12-30 16:20:48
What is CIS-CYCLOBUTANE-1,2-DICARBOXYLIC ACID?
Chemical properties
White powder
What are the applications of Application
cis-Cyclobutane-1,2-dicarboxylic acid is a carbonyl compound
General Description
The interaction of the carboxyl groups in the fragmentation of the molecular ions of cis-cyclobutane-1,2-dicarboxylic acid helps to distinguish it from trans-cyclobutane-1,2-dicarboxylic acid.
Purification Methods
Purify the acid by crystallisation from H2O or ligroin, or by hydrolysis of the anhydride [b 120-150o/40mm, m 77-77.5o (from *C6H6, 74-75o from H2O or ligroin)] with H2O. The diphenacyl ester has m 113o (from EtOH) and the p-bromodiphenacyl ester has m 153o (from EtOH/Me2CO). [Vogel Justus Liebigs Ann Chem 615 13 1958, Reed J Chem Soc 685 1951, Fison et al. J Am Chem Soc 56 1774 1934, pK: Bode Chem Ber 67 332 1934, Beilstein 9 IV 2788.]
Properties of CIS-CYCLOBUTANE-1,2-DICARBOXYLIC ACID
| Melting point: | 133-139 °C |
| Boiling point: | 377.7±35.0 °C(Predicted) |
| Density | 1.509±0.06 g/cm3(Predicted) |
| storage temp. | 2-8°C |
| pka | pK1:3.90 ;pK2:5.89 (25°C) |
| BRN | 2047669 |
Safety information for CIS-CYCLOBUTANE-1,2-DICARBOXYLIC ACID
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for CIS-CYCLOBUTANE-1,2-DICARBOXYLIC ACID
| InChIKey | SUSAGCZZQKACKE-ZXZARUISSA-N |
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