Home Categories Chemical Reagents 3,4-Diethoxy-3-cyclobutene-1,2-dione
A3456512

3,4-Diethoxy-3-cyclobutene-1,2-dione , >98.0%(GC) , 5231-87-8

Synonym(s):
Diethyl squarate;Squaric acid diethyl ester

CAS NO.:5231-87-8

Empirical Formula: C8H10O4

Molecular Weight: 170.16

MDL number: MFCD00001333

Pack Size Price Stock Quantity
1g RMB30.40 In Stock
5G RMB129.60 In Stock
25G RMB416.80 In Stock
100g RMB1279.20 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 13-18 °C
Boiling point: 95 °C0.1 mm Hg(lit.)
Density  1.15 g/mL at 25 °C(lit.)
refractive index  n20/D 1.509(lit.)
Flash point: >230 °F
storage temp.  2-8°C
form  Liquid
color  Clear yellow to light brownish
Water Solubility  insoluble
BRN  640626
InChIKey DFSFLZCLKYZYRD-UHFFFAOYSA-N

Description and Uses

3,4-Dethoxy-3-cyclobutene-1,2-dione is used as a starting material for synthesis of furanones and quinones. It undergoes ethoxy substitution with amines and unsaturated organosilanes.

Safety

Symbol(GHS) 
GHS07,GHS08
Signal word  Danger
Hazard statements  H315-H317-H319-H334-H335
Precautionary statements  P280-P302+P352-P305+P351+P338
Hazard Codes  Xn,Xi
Risk Statements  36/37/38-42/43
Safety Statements  7-26-37/39-24-23
WGK Germany  3
RTECS  GU1772466
10
Hazard Note  Irritant
HS Code  29145090

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