Name | 3,4-Diethoxy-3-cyclobutene-1,2-dione |
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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- |
Density | 1.2±0.1 g/cm3 |
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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 |
Storage condition | 2-8°C |
Water Solubility | insoluble |
Symbol |
GHS07, GHS08 |
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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 |
~86% 5231-87-8 |
Literature: Ohno, Masatomi; Yamamoto, Yoshihiko; Shirasaki, Yuhichi; Eguchi, Shoji Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1993 , # 2 p. 263 - 272 |
~83% 5231-87-8 |
Literature: Busschaert, Nathalie; Kirby, Isabelle L.; Young, Sarah; Coles, Simon J.; Horton, Peter N.; Light, Mark E.; Gale, Philip A. Angewandte Chemie - International Edition, 2012 , vol. 51, # 18 p. 4426 - 4430 |
~91% 5231-87-8 |
Literature: Liu, Hiu; Tomooka, Craig S.; Moore, Harold W. Synthetic Communications, 1997 , vol. 27, # 12 p. 2177 - 2180 |
~% 5231-87-8 |
Literature: Fu, Nanyan; Allen, Annette D.; Kobayashi, Shinjiro; Tidwell, Thomas T.; Vukovic, Sinisa; Matsuoka, Takeshi; Mishima, Masaaki Journal of Organic Chemistry, 2008 , vol. 73, # 5 p. 1768 - 1773 |
~28% 5231-87-8 |
Literature: Dehmlow, Eckehard V.; Schell, Hans G. Chemische Berichte, 1980 , vol. 113, # 1 p. 1 - 8 |
Precursor 4 | |
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DownStream 9 | |