51971-64-3 Usage
Uses
Used in Chemical Synthesis:
3,5-dichlorophthalic anhydride is used as a key intermediate for the production of dyes, pigments, and polymers. Its reactivity allows it to be a building block in the synthesis of a wide range of organic compounds, contributing to the diversity of chemical products.
Used in Pharmaceutical Industry:
In the pharmaceutical sector, 3,5-dichlorophthalic anhydride is utilized as a precursor in the synthesis of certain pharmaceuticals. Its ability to participate in various chemical reactions makes it a valuable component in the development of new drugs.
Used in Dye and Pigment Production:
3,5-dichlorophthalic anhydride is employed as a crucial intermediate in the manufacturing process of dyes and pigments. Its involvement in the production of these colorants is essential for a variety of applications, including textiles, plastics, and printing inks.
Used in Polymer Industry:
3,5-dichlorophthalic anhydride is also used in the polymer industry, where it serves as a vital intermediate in the synthesis of polymers with specific properties. These polymers find applications in coatings, adhesives, and various other materials.
Safety Considerations:
It is important to handle 3,5-dichlorophthalic anhydride with care due to its hazardous nature. It can cause skin and eye irritation, and it is harmful if ingested or inhaled. Proper safety measures should be taken to minimize the risk of exposure during its use in various applications.
Check Digit Verification of cas no
The CAS Registry Mumber 51971-64-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,9,7 and 1 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 51971-64:
(7*5)+(6*1)+(5*9)+(4*7)+(3*1)+(2*6)+(1*4)=133
133 % 10 = 3
So 51971-64-3 is a valid CAS Registry Number.
InChI:InChI=1/C8H2Cl2O3/c9-3-1-4-6(5(10)2-3)8(12)13-7(4)11/h1-2H
51971-64-3Relevant academic research and scientific papers
Insecticidal Benzenedicarboxamide Derivative
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Page/Page column 107, (2011/08/06)
The present invention relates to a novel benzenedicarboxamide derivative and the use thereof as an insecticide having the formula (I) wherein the chemical groups W1 to W9, and R1 to R3 are as defined here-in.
Remarkably Selective Chlorination of Phthalic Anhydride and Its Monochlorinated Derivatives
Verbicky, John W.,Williams, Louella
, p. 2465 - 2468 (2007/10/02)
The vapor-phase chlorination of phthalic anhydride 1 and its monochlorinated derivatives 2 and 3 in the temperature range from 390 to 600 deg C with elemental chlorine has been investigated and found to be highly selective.Thus, chlorination of 1 in the temperature range from 390 to 450 deg C was found to give high yields of monochlorinated products accompanied by only small amounts of dichlorination with a high degree of regioselectivity favoring the formation of 4-chlorophthalic anhydride.Chlorination of a 3-chlorophthalic anhydride 3 by this method has provided thefirst direct synthesis of 3,5-dichlorophthalic anhydride 7 from phthalic anhydride via chlorination.
