CAS 5231-87-8|Diethyl squarate

Introduction：Basic information about CAS 5231-87-8|Diethyl squarate, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Articles11
5. Synonyms

Common Name	Diethyl squarate
CAS Number	5231-87-8	Molecular Weight	170.163
Density	1.2±0.1 g/cm3	Boiling Point	325.7±0.0 °C at 760 mmHg
Molecular Formula	C₈H₁₀O₄	Melting Point	19 °C
MSDS	ChineseUSA	Flash Point	135.4±30.7 °C
Symbol	GHS07, GHS08	Signal Word	Danger

Names

Name	3,4-Diethoxy-3-cyclobutene-1,2-dione
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.2±0.1 g/cm3
Boiling Point	325.7±0.0 °C at 760 mmHg
Melting Point	19 °C
Molecular Formula	C₈H₁₀O₄
Molecular Weight	170.163
Flash Point	135.4±30.7 °C
Exact Mass	170.057907
PSA	52.60000
LogP	-0.15
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.477
InChIKey	DFSFLZCLKYZYRD-UHFFFAOYSA-N
SMILES	CCOc1c(OCC)c(=O)c1=O
Storage condition	2-8°C
Water Solubility	insoluble

Safety Information

Symbol	GHS07, GHS08
Signal Word	Danger
Hazard Statements	H315-H317-H319-H334-H335
Precautionary Statements	P261-P280-P284-P304 + P340-P305 + P351 + P338-P342 + P311
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xn:Harmful;
Risk Phrases	R36/37/38;R42/43
Safety Phrases	S7-S26-S37/39-S24-S23
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	GU1772466

Articles11

J. Org. Chem. 59 , 4707, (1994)

Organic Synth. 69 , 220, (1990)

J. Chem. Soc. Perkin Trans. I , 263, (1993)

Synonyms

Diethyl squarate

3,4-diethoxycyclobut-3-ene-1,2-dione

MFCD00001333

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

Squaric Acid Diethyl Ester

3-Cyclobutene-1,2-dione, 3,4-diethoxy-

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