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1122-93-6

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1122-93-6 Usage

General Description

Potassium p-methoxyphenolate is a chemical compound that consists of a potassium cation and a p-methoxyphenolate anion, which is a derivative of phenol. It is a white solid that is soluble in polar solvents such as water and alcohol. potassium p-methoxyphenolate is often used as a reagent in organic synthesis, particularly in the production of pharmaceuticals, dyes, and fragrances. It is also utilized as a stabilizer in the production of synthetic rubbers and plastics. Potassium p-methoxyphenolate is an important intermediate in the production of various chemical compounds and plays a crucial role in the manufacturing of a wide range of consumer products.

Check Digit Verification of cas no

The CAS Registry Mumber 1122-93-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,2 and 2 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1122-93:
(6*1)+(5*1)+(4*2)+(3*2)+(2*9)+(1*3)=46
46 % 10 = 6
So 1122-93-6 is a valid CAS Registry Number.
InChI:InChI=1/C7H8O2.K/c1-9-7-4-2-6(8)3-5-7;/h2-5,8H,1H3;/q;+1/p-1

1122-93-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name potassium,4-methoxyphenolate

1.2 Other means of identification

Product number -
Other names potassium salt of 4-hydroxyanisole

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:1122-93-6 SDS

1122-93-6Relevant articles and documents

Ambident Reactivity of Phenolate Anions Revisited: A Quantitative Approach to Phenolate Reactivities

Mayer, Robert J.,Breugst, Martin,Hampel, Nathalie,Ofial, Armin R.,Mayr, Herbert

, p. 8837 - 8858 (2019/07/08)

Prompted by the observation that the regioselectivities of phenolate reactions (C versus O attack) are opposite to the predictions by the principle of hard and soft acids and bases, we performed a comprehensive experimental and computational investigation of phenolate reactivities. Rate and equilibrium constants for the reactions of various phenolate ions with benzhydrylium ions (Aryl2CH+) and structurally related quinone methides have been determined photometrically in polar aprotic solvents. Quantum chemical calculations at the SMD(MeCN)/M06-2X/6-31+G(d,p) level confirmed that O attack is generally favored under kinetically controlled conditions, whereas C attack is favored under thermodynamically controlled conditions. Exceptions are diffusion-limited reactions with strong electrophiles, which give mixtures of products arising from O and C attack, as well as reactions with metal alkoxides in nonpolar solvents, where oxygen attack is blocked by strong ion pairing. The Lewis basicity (LB) and nucleophilicity (N, sN) parameters of phenolates determined in this work can be used to predict whether their reactions with electrophiles are kinetically or thermodynamically controlled and whether the rates are activation- or diffusion-limited. Comparison of the measured rate constants for the reactions of phenolates with carbocations with the Gibbs energies for single-electron transfer manifests that these reactions proceed via polar mechanisms.

5-halo-6-nitro-2-substituted benzoxazole compounds

-

, (2008/06/13)

Novel benzoxazole compound having, at the 2 position, a group bonding through a carbon atom having no or one hydrogen atom and introduced with a chlorine or bromine atom at the 5 position. The compounds are key intermediates useful for preparing 2-amino-5-nitrophenol derivatives which are useful as intermediates for synthesis of industrial materials, reducing agents, antioxidants, cyan-image-forming couplers and the like.

Mechanism of the Base-Catalyzed Elimination of Para-Substituted Phenoxides from 4-(Aryloxy)azetidin-2-ones

Fedor, Leo R.

, p. 5094 - 5097 (2007/10/02)

4-(Aryloxy)azetidin-2-ones 4-7 react in dilute aqueous alkali to give 3-hydroxyacrylamide oxyanion and para-substituted phenolate ions.Similarly, 4-(aryloxy)-3,3-dimethylazetidin-2-ones 8-11 give 2,2-dimethylcarboxaldoacetamide and para-substituted phenolate ions.Reactivity is proportional to the fraction of (aryloxy)azetidin-2-one anions, Ka/(Ka + ).Kinetic pKa's of 4-11 and first-order k2's for (suggested) reversible E1cB elimination of para-substituted phenoxide ions from N-1 anions are reported.Reactions are further characterized kinetically by solvent deuterium isotope effects: kOH/kOD = ca. 0.5, ρ(k2) = 2.2 for 4-7 and ρ(k2) = 2.7 for 8-11, and βlg = -0.65 for 4-7 and βlg = -0.75 for 8-11.

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