Para Dichlorobenzene C6H4Cl2 CAS 106-46-7 Pure White Flake for Industrial Deodorant Use

Environmental Impact of Para-Dichlorobenzene (PDCB)

Introduction

Para-Dichlorobenzene (PDCB), also known as 1,4-Dichlorobenzene, is a chlorinated aromatic hydrocarbon commonly used in mothballs, air fresheners, and as a deodorizer. While effective in these applications, PDCB's environmental impact warrants careful consideration.

Environmental Persistence

PDCB is relatively stable in the environment. In the atmosphere, it degrades primarily through reactions with hydroxyl radicals, with an estimated half-life ranging from 14 to 31 days. In soil and water, PDCB volatilizes and dissolves slowly, potentially reaching groundwater or waterways before volatilizing.

Bioaccumulation and Ecotoxicology

PDCB tends to accumulate in plant and animal fats, leading to potential bioaccumulation in the food chain. However, it is not highly toxic to aquatic organisms, and concentrations in surface waters have been found to be low.

Regulatory Status and Risk Management

The U.S. Environmental Protection Agency (EPA) designated PDCB as a high-priority chemical in December 2019 and is currently undergoing risk evaluation. The EPA has classified 1,4-Dichlorobenzene as a Group C, possible human carcinogen, based on studies showing kidney tumors in male rats and liver tumors in both sexes of mice.

Environmental Monitoring and Exposure

PDCB enters the environment through industrial emissions, incinerators, and the use of products containing the chemical as a deodorizer and insect repellent. Due to its high volatility, almost all PDCB used is expected to be released into the atmosphere.

Frequently Asked Questions (FAQ)

Q1: How does PDCB enter the environment?
A1: PDCB enters the environment through industrial emissions, incinerators, and the use of products containing the chemical, such as deodorants and insect repellents.

Q2: Is PDCB harmful to aquatic life?
A2: PDCB is not highly toxic to aquatic organisms, and concentrations in surface waters have been found to be low.

Q3: Can PDCB accumulate in the food chain?
A3: Yes, PDCB tends to accumulate in plant and animal fats, leading to potential bioaccumulation in the food chain.

Q4: What regulations exist for PDCB?
A4: The U.S. EPA has designated PDCB as a high-priority chemical and is currently evaluating its risks. It is also classified as a Group C, possible human carcinogen.

Q5: How can exposure to PDCB be minimized?
A5: Minimizing the use of products containing PDCB, ensuring proper ventilation when using such products, and following disposal guidelines can help reduce exposure.

Wuxi High Mountain Hi-tech Development Co., Ltd is a professional industrial company engaged in special chemical production, technology research & development, and import & export. The company focuses on the production, trade, and research & development of various chemical products.

Since establishment, the company has been concentrating on constructing an international marketing network and optimizing supply chain management, where we have established a long-term strategic cooperation relationship with numerous large enterprises at home and abroad. Relying on our wide business channels and professional experience, we are more skillfully providing products of stable but differentiated quality, along with flexible, highly efficient & considerate service to satisfy our partner at more competitive pricing.

Efficiently treating our customers as partners with sincerity, specialization and satisfaction is our managerial principle. Attributed to the backup of a dedicated technical team, filled with wide and profound knowledge and practice in chemicals and world trade for 20 years, the company owns rich experience in product quality control, technical solution, chemical logistics organization, packaging optimization, port operation, etc., which accounts for its first-class cost control management and ensures to maintain the overwhelming competitive advantage over others. In line with the principle of sharing the preferential cost and joint development, the company has formed an interesting community for years with its customers at home and abroad. Sincerely to build up a pleasant mutual trust, cooperative, win-win, and value-added sustainable partnership is what we are achieving to grow together with you!

FAQ
 

A: What about product quality assurance policy?
Q: We accept pre-shipment test by SGS or any other third party agents.

A: How long have you been engaged in Chemicals?
Q: We have been engaged in Chemical exports since the year 1992.

A: What are your payment terms?
Q: We accept T/T,L/C,D/P and CAD, etc.

A: What is the delivery time?
Q: Usually about 7-15 days, depending on the required quantity and product.

A: What certifications do you have?
Q: ISO 9001, HALAL, KKDIK, REACH, etc.