3,4-Diethoxy-3-cyclobutene-1,2-dione, 98%, Thermo Scientific Chemicals

Product Code	Brand	Quantity
10212322	Thermo Scientific Acros 305080050	5 g
10414375	Thermo Scientific Acros 305080250	25 g

Description

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

Chemical Identifiers

• CAS: 5231-87-8
• Molecular Weight (g/mol): 170.16
• InChI Key: DFSFLZCLKYZYRD-UHFFFAOYSA-N
• PubChem CID: 123228
• SMILES: CCOC1=C(C(=O)C1=O)OCC

• Molecular Formula: C₈H₁₀O₄
• MDL Number: MFCD00001333
• 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
• IUPAC Name: 3,4-diethoxycyclobut-3-ene-1,2-dione

Specifications

• CAS: 5231-87-8
• CAS Max %: 100.0
• Density: 1.1500g/mL
• Flash Point: 110°C
• Assay Percent Range: 97.5% min. (GC)
• Molecular Formula: C₈H₁₀O₄
• MDL Number: MFCD00001333
• 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
• InChI Key: DFSFLZCLKYZYRD-UHFFFAOYSA-N
• IUPAC Name: 3,4-diethoxycyclobut-3-ene-1,2-dione
• PubChem CID: 123228
• Percent Purity: 98%
• Chemical Name or Material: 3, 4-Diethoxy-3-cyclobutene-1, 2-dione

• CAS Min %: 97.5
• Color: Brown to Yellow
• Boiling Point: 95.0°C (0.1 mmHg)
• Infrared Spectrum: Authentic
• Packaging: Glass bottle
• Refractive Index: 1.5080 to 1.5100
• Specific Gravity: 1.15
• Solubility Information: Solubility in water: insoluble
• SMILES: CCOC1=C(C(=O)C1=O)OCC
• Molecular Weight (g/mol): 170.16
• Formula Weight: 170.16
• Physical Form: Liquid

Safety and Handling

GHS H Statement
Causes skin irritation.
May cause allergy or asthma symptoms or breathing difficulties if inhaled.
May cause respiratory irritation.
May cause an allergic skin reaction.
Causes serious eye irritation.

GHS P Statement
Avoid breathing dust/fume/gas/mist/vapors/spray.
IF INHALED: If breathing is difficult,remove to fresh air and keep at rest in a position comfortable for breathing.
If experiencing respiratory symptoms: Call a POISON CENT

GHS Signal Word: Danger

RUO – Research Use Only