3,4-Diethoxy-3-cyclobutene-1,2-dione, 98%

Description

CAS: 5231-87-8 | C8H10O4 | 170.164 g/mol

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 5231-87-8
• Molecular Formula: C8H10O4
• Molecular Weight (g/mol): 170.164
• MDL Number: MFCD00001333
• InChI Key: DFSFLZCLKYZYRD-UHFFFAOYSA-N
• Synonym: 3,4-diethoxy-3-cyclobutene-1,2-dione, diethyl squarate, squaric acid diethyl ester, 3-cyclobutene-1,2-dione, 3,4-diethoxy, diethoxycyclobutenedione, diethoxycyclobut-3-ene-1,2-dione, 1,2-diethoxycyclobutenedione, 3,4-diethoxy-cyclobut-3-ene-1,2-dione, pubchem9741, acmc-209kyn
• PubChem CID: 123228
• IUPAC Name: 3,4-diethoxycyclobut-3-ene-1,2-dione
• SMILES: CCOC1=C(C(=O)C1=O)OCC

• Density: 1.162
• Boiling Point: 95°C (0.1 mmHg)
• Flash Point: >110°C (230°F)
• Refractive Index: 1.509
• Quantity: 1 g
• Beilstein: 640626
• Formula Weight: 170.16
• Percent Purity: 98%
• Chemical Name or Material: 3,4-Diethoxy-3-cyclobutene-1,2-dione

Safety and Handling

Hazard Category	H315-H317-H319-H334-H335
Hazard Statement	GHS H Statement H334-H335-H315-H319-H317 May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause respiratory irritation. Causes skin irritation. Causes serious eye irritation. May cause an allergic skin reaction.
Precautionary Statement	P261-P264b-P271-P272-P280-P285-P302+P352-P304+P340-P305+P351+P338-P333+P313-P342+P311-P362-P501c
RTECSNumber	GU1772466
TSCA	No
Recommended Storage	Keep cold

SDS

RUO – Research Use Only