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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:
61699-62-5
Molecular Weight:
198.22
NACRES:
NA.22
PubChem Substance ID:
24860527
UNSPSC Code:
12352100
MDL number:
MFCD00075125
Assay:
99%
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assay

99%

bp

110 °C/0.04 mmHg (lit.)

mp

43-45 °C (lit.)

SMILES string

CC(C)OC1=C(OC(C)C)C(=O)C1=O

InChI

1S/C10H14O4/c1-5(2)13-9-7(11)8(12)10(9)14-6(3)4/h5-6H,1-4H3

InChI key

KCZPGGVPQXQGEJ-UHFFFAOYSA-N

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.

pictograms

Exclamation mark
GHS07

signalword

Warning

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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Certificates of Analysis (COA)

Lot/Batch Number
0000146586
0000139446
0000067896
0000062789

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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)

Global Trade Item Number

SKUGTIN
338230-5G04061826744468