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Benzenesulfinic acid, 4-bromois an organic compound that features a benzene ring with a sulfinic acid functional group and a bromine atom attached to the fourth carbon of the benzene ring. It is a colorless to pale yellow solid, which is soluble in water. Benzenesulfinic acid, 4-bromois widely recognized for its reactivity with a variety of organic and inorganic compounds, establishing it as a versatile intermediate in the synthesis of pharmaceuticals, dyes, and agricultural chemicals. Additionally, it serves as a precursor in the creation of other organic compounds.
Used in Pharmaceutical Industry:
Benzenesulfinic acid, 4-bromois used as a reagent in organic synthesis for its ability to react with a range of compounds, which is crucial in the development and production of various pharmaceuticals.
Used in Dye Industry:
Benzenesulfinic acid, 4-bromois utilized as an intermediate in the synthesis of dyes, contributing to the coloration and quality of the final product.
Used in Agricultural Chemicals Industry:
Benzenesulfinic acid, 4-bromois employed in the production of agricultural chemicals, where its reactivity aids in the creation of effective compounds for agricultural applications.
Used as a Precursor in Organic Synthesis:
Due to its reactivity, benzenesulfinic acid, 4-bromois used as a precursor in the synthesis of other organic compounds, facilitating the creation of a wide array of chemical products.
Safety Note:
Given its reactivity and potential health hazards, it is imperative to exercise proper safety precautions when handling and using benzenesulfinic acid, 4-bromo-.

1195-33-1

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1195-33-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1195-33-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,9 and 5 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1195-33:
(6*1)+(5*1)+(4*9)+(3*5)+(2*3)+(1*3)=71
71 % 10 = 1
So 1195-33-1 is a valid CAS Registry Number.

1195-33-1SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-Bromobenzenesulfinic acid

1.2 Other means of identification

Product number -
Other names 4-BROMOBENZENESULFINICACID

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:1195-33-1 SDS

1195-33-1Relevant academic research and scientific papers

A General, One-Pot Method for the Synthesis of Sulfinic Acids from Methyl Sulfones

Gauthier, Donald R.,Yoshikawa, Naoki

supporting information, p. 5994 - 5997 (2016/12/09)

A simple and efficient method for converting methyl sulfones to sulfinic acids is described. The process involves alkylation with a benzylic halide, followed by in situ elimination of the resulting styrene in the presence of excess base to yield a sulfinic acid in a single reaction process. The usefulness of the alkylation-elimination sequence is demonstrated by generating a variety of sulfinic acids from methyl sulfones. Late stage functionalization and 14C-labeling of several biologically active methyl sulfones were accessed via sulfinate intermediates.

Kinetics of the Reaction of 2,4-Dinitrophenyl-4'-substituted Phenyl Sulfones with Morpholine in Methanol

El-Mallah, Nabila M.,Hamed, E. A.,El-Bardan, A. A.

, p. 319 - 328 (2007/10/03)

The rates of morpholine-desulfonylation of 2,4-dinitrophenyl-4'-substituted phenylsulfones (1-6: aryl = 4-Y-C6H4, Y = H, CH3, OCH3, Br, Cl and NO2) have been measured in methanol at different temperatures (25 deg C-40 deg C) and the activation parameters were calculated.A good Hammett correlation was obtained with ρ values of 0.43-0.75.The plot ΔH(excit.) versus ΔS(excit.) gave an isokinetic temperature at 339 deg K.

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