145069-53-0

Basic information

• Product Name: 4-ETHYNYL-2-FLUORO-1-METHYL-BENZENE
• Synonyms: 4-ETHYNYL-2-FLUORO-1-METHYL-BENZENE;Benzene, 4-ethynyl-2-fluoro-1-methyl- (9CI);Benzene, 4-ethynyl-2-fluoro-1-Methyl-
• CAS NO: 145069-53-0
• Molecular Formula: C₉H₇F
• Molecular Weight: 134.1502832
• Mol File: 145069-53-0.mol
• Article Data: 4

Chemical Properties

• Boiling Point: 168.4°C at 760 mmHg
• Flash Point: 46.9°C
• Appearance: /
• Density: 1.04g/cm³
• Vapor Pressure: 2.14mmHg at 25°C
• Refractive Index: 1.511
• CAS DataBase Reference: 4-ETHYNYL-2-FLUORO-1-METHYL-BENZENE(CAS DataBase Reference)
• NIST Chemistry Reference: 4-ETHYNYL-2-FLUORO-1-METHYL-BENZENE(145069-53-0)
• EPA Substance Registry System: 4-ETHYNYL-2-FLUORO-1-METHYL-BENZENE(145069-53-0)

Safety Data

• Hazardous Substances Data: 145069-53-0(Hazardous Substances Data)

Usage

General Description

4-Ethynyl-2-fluoro-1-methyl-benzene is a chemical compound with the molecular formula C9H7F. It is a derivative of benzene, with a fluorine atom and a methyl group attached to the carbon ring, along with an ethynyl (acetylene) group. 4-ETHYNYL-2-FLUORO-1-METHYL-BENZENE is commonly used in organic synthesis and pharmaceutical research due to its potential as a building block for more complex molecules. It is also used in the manufacturing of specialty chemicals and as a reagent in chemical reactions. Its unique structure and properties make it a valuable tool in the development of new materials and compounds with specific applications in various industries.

InChI:InChI=1/C9H7F/c1-3-8-5-4-7(2)9(10)6-8/h1,4-6H,2H3

Upstream product

• 39998-81-7 2-fluoro-4-iodotoluene 
• 51436-99-8 2-fluoro-4-bromotoluene 
• 1066-54-2 trimethylsilylacetylene 
• 195877-12-4 4-(3-fluoro-4-methylphenyl)-2-methylbut-3-yn-2-ol 

Downstream Products

• 1026452-16-3 5-[(E)-1,2-Bis-(3-fluoro-4-methyl-phenyl)-vinyl]-pyrimidine-4,6-diamine 
• 148173-91-5 C₁₆H₁₂F₂ 

Relevant articles and documents

Liquid crystal compound containing butadiyne structure and liquid crystal composition and application thereof

The invention relates to a liquid crystal compound containing a butadiyne structure. The liquid crystal compound is represented by a general formula I. The invention also relates to a liquid crystal composition which at least comprises the compound repres

Acetylene derivatives, and liquid crystal composition and liquid crystal display device each comprising the same

The present invention provides new liquid crystalline compounds having a high optical anisotropy value and excellent compatibility with the other liquid crystals, and liquid crystal composition comprising the compounds.The liquid crystalline compounds are represented by the general formula (1): wherein H1, H2, H3, H4, H5, H6, H7, H8, H9, H10, H11 and H12, each independently, represent H, F or Cl, at least one of H1, H2, H3, H4, H9, H10, H11 and H12 is F or Cl, R1 represents an alkyl group of C1-20, in which methylene groups may be replaced by —O—, —S—, —Si—, —CH=CH— or —C≡C—, any hydrogen atoms may be replaced by a halogen atom, and Y1 is replaced by R1, F, Cl, Br, I or a cyano group.