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55720-33-7

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55720-33-7 Usage

General Description

1,2,5-Trichloronaphthalene is a chemical compound that belongs to the polynuclear aromatic hydrocarbons (PAHs) group, with a molecular formula of C10H5Cl3. It is a white solid with a strong, sweet odor, and is insoluble in water but soluble in organic solvents. 1,2,5-Trichloronaphthalene is primarily used as a chemical intermediate in the production of dyes, pigments, and other organic compounds. It is also used as a solvent in the electronics industry and as a fungicide in agriculture. However, it is considered to be a hazardous substance due to its potential environmental and health risks, and is classified as a priority pollutant by the United States Environmental Protection Agency (EPA). Exposure to 1,2,5-Trichloronaphthalene can cause irritation to the skin, eyes, and respiratory system, and long-term exposure may lead to more severe health effects. Therefore, proper handling and disposal of this chemical are crucial to minimize its potential impact on human health and the environment.

Check Digit Verification of cas no

The CAS Registry Mumber 55720-33-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,7,2 and 0 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 55720-33:
(7*5)+(6*5)+(5*7)+(4*2)+(3*0)+(2*3)+(1*3)=117
117 % 10 = 7
So 55720-33-7 is a valid CAS Registry Number.
InChI:InChI=1/C10H5Cl3/c11-8-3-1-2-7-6(8)4-5-9(12)10(7)13/h1-5H

55720-33-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,2,5-trichloronaphthalene

1.2 Other means of identification

Product number -
Other names 1,2,5-trichloro-naphthalene

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:55720-33-7 SDS

55720-33-7Downstream Products

55720-33-7Relevant articles and documents

Emission factors and importance of PCDD/Fs, PCBs, PCNs, PAHs and PM 10 from the domestic burning of coal and wood in the U.K.

Lee, Robert G. M.,Coleman, Peter,Jones, Joanne L.,Jones, Kevin C.,Lohmann, Rainer

, p. 1436 - 1447 (2007/10/03)

This paper presents emission factors (EFs) derived for a range of persistent organic pollutants (POPs) when coal and wood were subject to controlled burning experiments, designed to simulate domestic burning for space heating. A wide range of POPs were emitted, with emissions from coal being higher than those from wood. Highest EFs were obtained for particulate matter, PM10, (~ 10 g/kg fuel) and polycyclic aromatic hydrocarbons (~ 100 mg/ kg fuel for ΣPAHs). For chlorinated compounds, EFs were highest for polychlorinated biphenyls (PCBs), with polychlorinated naphthalenes (PCNs), dibenzo-p-dioxins (PCDDs) and dibenzofurans (PCDFs) being less abundant. EFs were on the order of 1000 ng/kg fuel for ΣPCBs, 100s ng/ kg fuel for ΣPCNs and 100 ng/kg fuel for ΣPCDD/Fs. The study confirmed that mono- to trichlorinated dibenzofurans, Cl1,2,3DFs, were strong indicators of low temperature combustion processes, such as the domestic burning of coal and wood. It is concluded that numerous PCB and PCN congeners are routinely formed during the combustion of solid fuels. However, their combined emissions from the domestic burning of coal and wood would contribute only a few percent to annual U.K. emission estimates. Emissions of PAHs and PM 10 were major contributors to U.K. national emission inventories. Major emissions were found from the domestic burning for Cl1,2,3DFs, while the contribution of PCDD/F-ΣTEQ to total U.K. emissions was minor.

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