121-70-0

Basic information

• Product Name: PHENYLPHOSPHINIC ACID
• Synonyms: Phosphonousacid, phenyl- (6CI,7CI,8CI,9CI); Benzenephosphonous acid
• CAS NO: 121-70-0
• Molecular Formula: C₆H₇O₂P
• Molecular Weight: 142.09
• EINECS: 217-217-3
• Mol File: 121-70-0.mol

Chemical Properties

• Melting Point: 83-85 °C(lit.)
• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Appearance: /
• Density: g/cm³
• Vapor Pressure: 0.001mmHg at 25°C
• Water Solubility: 7.7 g/100 mL (25℃)
• CAS DataBase Reference: PHENYLPHOSPHINIC ACID(CAS DataBase Reference)
• NIST Chemistry Reference: PHENYLPHOSPHINIC ACID(121-70-0)
• EPA Substance Registry System: PHENYLPHOSPHINIC ACID(121-70-0)

Safety Data

• Hazard Codes: C
• Statements: 22-34
• Safety Statements: 26-36/37/39-45
• RIDADR: UN 3261 8/PG 3
• WGK Germany: 3
• RTECS: SZ5462500
• Hazardous Substances Data: 121-70-0(Hazardous Substances Data)

Usage

Purification Methods

Crystallise it from hot H2O or *C6H6. [Beilstein 16 IV 1033.]

InChI:InChI=1/C6H7O2P/c7-9(8)6-4-2-1-3-5-6/h1-5,9H,(H,7,8)

Upstream product

• 644-97-3 Dichlorophenylphosphine 
• 35126-41-1 1-phenylchlorophosphino-2-phenyl-1,2-dicarba-closo-dodecaborane⁽¹²⁾ 
• 64-17-5 ethanol 
• 35126-40-0 1-(PCl(C₆H₅))-2-(CH₃)-1.2-C₂B₁₀H₁₀ 

Downstream Products

• 27262-65-3 Tributylsilylhydrogenphenylphosphonit 
• 27271-98-3 Bis(tributylsilyl)phenylphosphonit 
• 2071-68-3 3-(chlorophenylphosphinyl)-propionyl chloride 
• 114945-13-0 (2-bromo-ethyl)-phenyl-phosphinic acid 
• 1571-33-1 phenylphosphonate 

Related news

First principles NMR calculations of PHENYLPHOSPHINIC ACID (cas 121-70-0) C6H5HPO(OH): Assignments, orientation of tensors by local field experiments and effect of molecular motion09/25/2019

The complete set of NMR parameters for 17O enriched phenylphosphinic acid C6H5HP∗O(∗OH) is calculated from first principles by using the Gauge Including Projected Augmented Wave (GIPAW) approach [C.J. Pickard, F. Mauri, All-electron magnetic response with pseudopotentials: NMR chemical shifts, P...detailed

In(III) and Ga(III) sorption by polymeric resins with substituted PHENYLPHOSPHINIC ACID (cas 121-70-0) ligands09/08/2019

The ion-exchange/complexing properties of the resins containing various substituted phenylphosphinic acid ligands towards indium and gallium cations were investigated. Uptake of the above-mentioned cations was done on the resins in acid and ester forms, at different concentration of acid and in ...detailed

Synthesis of functionalized PHENYLPHOSPHINIC ACID (cas 121-70-0) resins through Michael reaction and their ion-exchange properties09/06/2019

Novel, functional resins, containing variously substituted phenylphosphinic acid ligands, have been obtained via the Michael reaction. Reaction has been carried out on phenylphosphinic acid resin crosslinked with 2 wt.% of divinylbenzene using the following electrophiles: methyl chloroformate, e...detailed

Synthesis of functionalized PHENYLPHOSPHINIC ACID (cas 121-70-0) resins through Michael reaction: Part II. Resins with multidentate ligands☆09/05/2019

Functionalized resins, containing substituted phenylphosphinic acid ligands, were obtained by the reaction of styrene–divinylbenzene copolymer (2 wt.% of crosslinker, expanded gel structure) bearing phenylphosphinic acid groups with trimethylchlorosilane and then with an appropriate electrophil...detailed

Facile synthesis of functionalised PHENYLPHOSPHINIC ACID (cas 121-70-0) derivatives09/04/2019

Functionalised phenylphosphinic acid derivatives have been synthesised by addition of bis(trimethylsilyl)phenylphosphonite 2 to a series of electrophiles.detailed

Relevant articles and documents

Synthesis of vinylphosphinoyl derivatives. Triethyl orthoformate as a new dehydrohalogenating agent

Trimethyl and triethyl orthoformates are proposed as new dehydrohalogenating agents. They are used for synthesis of vinylphosphinoyl compounds.

Process for the preparation of phosphonous acids

Phosphonous acids are obtained by hydrolysis of dichlorophosphanes with water at temperatures of about 60° to about 100° C., preferably of about 80° to about 95° C.