338230
3,4-Diisopropoxy-3-cyclobutene-1,2-dione
99%
Synonym(s):
Diisopropyl squarate
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About This Item
Linear Formula:
[(CH3)2CHO]2C4(=O)2
CAS Number:
Molecular Weight:
198.22
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
MDL number:
Product Name
3,4-Diisopropoxy-3-cyclobutene-1,2-dione, 99%
InChI
1S/C10H14O4/c1-5(2)13-9-7(11)8(12)10(9)14-6(3)4/h5-6H,1-4H3
SMILES string
CC(C)OC1=C(OC(C)C)C(=O)C1=O
InChI key
KCZPGGVPQXQGEJ-UHFFFAOYSA-N
assay
99%
bp
110 °C/0.04 mmHg (lit.)
mp
43-45 °C (lit.)
Application
3,4-Diisopropoxy-3-cyclobutene-1,2-dione was used in the preparation of 1,1′-bis{3-(4-isopropoxy-3-cyclobutene-1,2-dioxo)}ferrocene and 3-isopropoxy-4-ferrocenyl-3-cyclobutene-1,2-dione.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
235.4 °F - closed cup
flash_point_c
113 °C - closed cup
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Regulatory Information
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Synthesis of squaric acid ester-containing ferrocene derivatives.
Aguilar-Aguilar A, et al.
ARKIVOC (Gainesville, FL, United States), 1, 156-162 (2004)
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