377406
3,4-Dimethoxy-3-cyclobutene-1,2-dione
99%
Synonym(s):
Dimethyl squarate
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About This Item
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Quality Level
assay
99%
form
solid
mp
55-57 °C (lit.)
functional group
ether
ketone
storage temp.
2-8°C
SMILES string
COC1=C(OC)C(=O)C1=O
InChI
1S/C6H6O4/c1-9-5-3(7)4(8)6(5)10-2/h1-2H3
InChI key
SZBNZTGCAMLMJY-UHFFFAOYSA-N
Related Categories
1 of 4
This Item | 310778 | 339792 | 123447 |
---|---|---|---|
assay 99% | assay 98% | assay 98% | assay ≥99.0% (HPLC) |
Quality Level 100 | Quality Level 100 | Quality Level 200 | Quality Level 200 |
form solid | form liquid | form liquid | form solid |
storage temp. 2-8°C | storage temp. - | storage temp. - | storage temp. - |
mp 55-57 °C (lit.) | mp - | mp - | mp >300 °C (lit.) |
functional group ether | functional group ether, ketone | functional group ether, ketone | functional group - |
General description
Application
- chiral squaramides, highly enantioselective catalyst for the Friedel-Crafts reactions of indoles[2]
- 3-(hydroxyamino)-4-methoxy-3-cyclobutene-1,2-dione[3]
- squarate derivatives of the O-SP-core antigens[4]
- methyl squarate derivative of the Ogawa O-SP-core antigen[5]
- o-quinodimethanes[6]
- benzocyclobutenes[6]
- quinones[7][8]
signalword
Danger
hcodes
Hazard Classifications
Resp. Sens. 1 - Skin Sens. 1
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
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