Name | 3,4-Dimethoxy-3-cyclobutene-1,2-dione |
Synonyms | DIMETHYL SQUARATE Squaric acid dimethyl e Squaric acid dimethyl ester SQUARIC ACID DIMETHYL ESTER diMethoxycyclobut-3-ene-1,2-dione 3,4-Dimethoxy-3-cyclobutene-1,2-dione 3,4-dimethoxycyclobut-3-ene-1,2-dione 3-Cyclobutene-1,2-dione,3,4-dimethoxy- Dimethyl squarate, 1,2-Dimethoxy-3,4-dioxocyclobut-1-ene Dimethyl squarate 3,4-Dimethoxy-3-cyclobutene-1,2-dione |
CAS | 5222-73-1 |
EINECS | 627-380-6 |
InChI | InChI=1/C6H6O4/c1-9-5-3(7)4(8)6(5)10-2/h1-2H3 |
InChIKey | SZBNZTGCAMLMJY-UHFFFAOYSA-N |
Molecular Formula | C6H6O4 |
Molar Mass | 142.11 |
Density | 1.3863 (rough estimate) |
Melting Point | 55-57 °C (lit.) |
Boling Point | 219.65°C (rough estimate) |
Flash Point | 128°C |
Water Solubility | Very soluble in water. |
Solubility | DMSO, Methanol (Slightly) |
Vapor Presure | 0.00269mmHg at 25°C |
Appearance | Crystalline powder |
Color | Off-White to Pale Brown |
Storage Condition | 2-8°C |
Refractive Index | 1.5800 (estimate) |
MDL | MFCD00101316 |
Risk Codes | 42/43 - May cause sensitization by inhalation and skin contact. |
Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
WGK Germany | 3 |
HS Code | 29145090 |
NIST chemical information | Information provided by: webbook.nist.gov (external link) |