6779-11-9

Basic information

• Product Name: o-Tolylphosphonic acid
• Synonyms: 2-Methylphenylphosphonic acid;o-Tolylphosphonic acid
• CAS NO: 6779-11-9
• Molecular Formula: C₇H₉O₃P
• Molecular Weight: 172.118321
• Mol File: 6779-11-9.mol
• Article Data: 2

Chemical Properties

• Appearance: /
• PKA: pK1:2.10;pK2:7.68 (25°C)
• CAS DataBase Reference: o-Tolylphosphonic acid(CAS DataBase Reference)
• NIST Chemistry Reference: o-Tolylphosphonic acid(6779-11-9)
• EPA Substance Registry System: o-Tolylphosphonic acid(6779-11-9)

Safety Data

• Hazardous Substances Data: 6779-11-9(Hazardous Substances Data)

Upstream product

• 62386-52-1 o-tolyl-phosphonic acid-dichloride 
• 932-31-0 ortho-tolylmagnesium bromide 
• 6699-93-0 (2-methylphenyl)lithium 
• 15286-11-0 diethyl o-tolylphosphonate 
• 95-46-5 2-methylphenyl bromide 
• 616-99-9 bis(2-tolyl) mercury 
• 5510-87-2 (2-(methyl)phenyl)dichlorophosphine 
• 137622-07-2 2-methyl-phenylphosphinic acid 

Downstream Products

• 95-49-8 2-methylchlorobenzene 
• 86119-84-8 phosphoric acid 
• 108-88-3 toluene 
• 27486-17-5 (E)-1-(4-chlorostyryl)-2-methylbenzene 
• 53423-25-9 (E)-1-methyl-2-styryl-benzene 
• 116277-67-9 2-carboxyphenylphosphonic acid 
• 100868-21-1 (2-methyl-5-nitro-phenyl)-phosphonic acid 
• 260435-36-7 (E)-tert-butyl 3-(2-methylphenyl)prop-2-enoate 

Relevant articles and documents

Synthesis and proton dissociation properties of arylphosphonates: A microwave-assisted catalytic arbuzov reaction with aryl bromides

A series of substituted diethyl arylphosphonates was synthesized by the microwave-assisted Arbuzov reaction of triethyl phosphite and aryl bromides in the presence of NiCl2 as the catalyst under solvent-free conditions in good yields. The resulting phosphonates were hydrolyzed to the corresponding arylphosphonic acids whose acidity was evaluated by physicochemical methods.