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109719-83-7

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109719-83-7 Usage

Description

1,2,3,4,6,7,8-heptachloro(~13~C12)oxanthrene is a toxic polychlorinated dibenzo-p-dioxin that is commonly detected in domestic meat and poultry. It is an isotope-labeled compound, which makes it a valuable tool for environmental testing and research.

Uses

Used in Environmental Testing:
1,2,3,4,6,7,8-heptachloro(~13~C12)oxanthrene is used as a standard for environmental testing to accurately measure and monitor the presence of toxic polychlorinated dibenzo-p-dioxins in various samples, such as soil, water, and food products.
Used in Research:
1,2,3,4,6,7,8-heptachloro(~13~C12)oxanthrene is used as a research tool to study the behavior, effects, and potential risks associated with polychlorinated dibenzo-p-dioxins. This helps in understanding their impact on the environment and human health, as well as developing methods for their detection and mitigation.

Check Digit Verification of cas no

The CAS Registry Mumber 109719-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,7,1 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 109719-83:
(8*1)+(7*0)+(6*9)+(5*7)+(4*1)+(3*9)+(2*8)+(1*3)=147
147 % 10 = 7
So 109719-83-7 is a valid CAS Registry Number.

109719-83-7Downstream Products

109719-83-7Relevant articles and documents

A COMPARATIVE STUDY OF THE PHOTOLYTIC DEGRADATION OF OCTACHLORODIBENZOFURAN (OCDF) AND OCTACHLORODIBENZO-P-DIOXIN (OCDD)

Wagenaar, W. J.,Boelhouwers, E. J.,Kok, H. A. M. de,Groen, C. P.,Govers, H. A. J.,et al.

, p. 2983 - 2992 (1995)

Photolysis at 290 nm and higher wavelengths of octachlorodibenzofuran (OCDF) and octachlorodibenzp-p-dioxin (OCDD) was studied in three organic solvents hexane, 1,4-dioxane and methanol. It appeared that the degradation kinetics strongly depended on the type of solvent. OCDD degraded fastest in hexane, whereas OCDF degraded fastest in methanol. Less than 5 percent of the total loss of OCDD degraded by reductive dechlorination, with preferential loss of chlorine atoms at the 1 or 9 positions. 25 to 50 percent of the total loss of OCDF degraded via reductive dechlorination, with preferential loss of lateral chlorine. OCDF degraded faster than OCDD in all studied solvents. Photolysis at 290 nm and higher wavelengths of OCDD and OCDF adsorbed onto alumina impregnated with copper (alumina/Cu) in the presence of natural and distilled water was also investigated. Under these more relevant environmental aquatic conditions, photolysis of OCDD and OCDF was much slower than photolysis in the studied organic solvents. Significant loss was only found for OCDF. A part of the loss OCDF could be explained by reductive dechlorination; the results suggested that other mechanisms of degradation occurred in addition to reductive dechlorination. All photolysis experiments showed that OCDF was photochemically less stable than OCDD.

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