220437-00-3

Basic information

• Product Name: 8-(2,3-difluoro-4-ethoxyphenyl)-1,4-dioxaspiro[4.5]decane
• Synonyms: 8-(2,3-difluoro-4-ethoxyphenyl)-1,4-dioxaspiro[4.5]decane
• CAS NO: 220437-00-3
• Molecular Weight: 298.33
• Mol File: 220437-00-3.mol
• Article Data: 5

Chemical Properties

• CAS DataBase Reference: 8-(2,3-difluoro-4-ethoxyphenyl)-1,4-dioxaspiro[4.5]decane(CAS DataBase Reference)
• NIST Chemistry Reference: 8-(2,3-difluoro-4-ethoxyphenyl)-1,4-dioxaspiro[4.5]decane(220437-00-3)
• EPA Substance Registry System: 8-(2,3-difluoro-4-ethoxyphenyl)-1,4-dioxaspiro[4.5]decane(220437-00-3)

Safety Data

• Hazardous Substances Data: 220437-00-3(Hazardous Substances Data)

Upstream product

• 4746-97-8 cyclohexanedione monoethylene ketal 
• 156573-09-0 1-bromo-4-ethoxy-2,3-difluorobenzene 
• 220436-96-4 8-(4-ethoxy-2,3-difluorophenyl)-1,4-dioxaspiro[4.5]decane-8-ol 
• 144292-32-0 2,3-difluoro-4-bromophenol 
• 220436-98-6 8-(4-ethoxy-2,3-difluorophenyl)-1,4-dioxaspiro[4.5]dec-7-ene 
• 598-30-1 sec.-butyllithium 

Downstream Products

• 245530-35-2 1-ethoxy-2,3-difluoro-4-(4-(methoxymethylene)cyclohexyl)benzene 
• 1314964-79-8 C₁₄H₁₈F₂O₂ 
• 220437-02-5 4-(2,3-difluoro-4-ethoxyphenyl)-cyclohexanone 

Relevant articles and documents

LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT

PROBLEM TO BE SOLVED: To improve Δn of a liquid crystal compound. SOLUTION: One aspect of the present invention is a liquid crystal compound represented by general formula (i) [where Ri1 is a C1 to 15 alkyl group or the like, Ri2 is

LIQUID CRYSTALLINE COMPOUND WITH NEGATIVE DIELECTRIC ANISOTROPY, LIQUID CRYSTAL COMPOSITION USING SAME, AND LIQUID CRYSTAL DISPLAY ELEMENT

The invention provides a liquid crystal compound having general physical properties necessary for the liquid crystal compound, namely, stability to heat, light and so forth, a small viscosity, a refractive index anisotropy having a suitable magnitude value, a dielectric anisotropy having a suitable magnitude value, steep electrooptical characteristics, a wide temperature range of a nematic phase, and an excellent compatibility with other liquid crystal compounds, in particular, a liquid crystal compound having a wide temperature range of the nematic phase; a compound represented by formula (i): wherein, for example, R1 and R2 are alkyl having 1 to 8 carbons or alkenyl having 2 to 8 carbons; ring A1 is trans-1,4-cyclohexylene or 1,4-phenylene; ring A2 is trans-1,4-cyclohexylene or 2,3-difluoro-1,4-phenylene; Q1 and Q2 are fluorine or chlorine; and h is 0, 1 or 2.

TRICYCLIC LIQUID CRYSTALLINE COMPOUND HAVING LATERAL FLUORINE, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE

The invention provides a liquid crystal compound having stability to heat, light and so forth, a wide temperature range of a nematic phase, a small viscosity, a large optical anisotropy and a suitable elastic constant K33 (K33: bend elastic constant), and further having a suitable and negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds, and provides a liquid crystal composition having a small viscosity, a large optical anisotropy, a suitable elastic constant K33, a suitable and negative dielectric anisotropy, and further having a low threshold voltage, a high maximum temperature of a nematic phase and a low minimum temperature of the nematic phase. In a specific structure having phenylene in which hydrogen on the benzene ring is replaced by fluorine, a three-ring liquid crystal compound having fluorine at a lateral position, and a liquid crystal composition containing the compound are prepared.