1,2,3,7,8-PECDD

1,2,3,7,8-PECDD - Names and Identifiers

Name	1,2,3,7,8-PENTACHLORODIBENZO-P-DIOXIN
Synonyms	1,2,3,7,8-PECDD 1,2,3,7,8-Pentachlorooxanthrene 1,2,3,7,8-PENTACHLORODIBENZODIOXIN 1,2,3,7,8-pentachloro-dibenzo-p-dioxi 1,2,3,7,8-PENTACHLORODIBENZO-P-DIOXIN 2,3,4,7,8-Pentachlorodibenzo[1,4]dioxin Dibenzo-p-dioxin, 1,2,3,7,8-pentachloro- 1,2,3,7,8-PENTACHLORODIBENZO-PARA-DIOXIN 1,2,3,7,8-Pentachlorodibenzo[b,e][1,4]dioxin
CAS	40321-76-4

1,2,3,7,8-PECDD - Physico-chemical Properties

Molecular Formula	C12H3Cl5O2
Molar Mass	356.42
Density	1.7800 (estimate)
Melting Point	206°C (estimate)
Boling Point	442.63°C (rough estimate)
Storage Condition	Room Temprature
Refractive Index	1.6610 (estimate)
Physical and Chemical Properties	EPA Chemical Information 1,2,3,7,8-Pentachlorodibenzo-p-dioxin (40321-76-4)

1,2,3,7,8-PECDD - Risk and Safety

UN IDs	2811
Hazard Class	6.1(a)
Packing Group	I
Toxicity	LD50 orl-rat: 206 mg/kg ARTODN 66,471,92

1,2,3,7,8-PECDD - Upstream Downstream Industry

Raw Materials

2,3,7,8-TETRACHLORODIBENZO-P-DIOXIN
1,2,3,4,7,8-HEXACHLORODIBENZO-P-DIOXIN
1,2,3,6,7,8-HEXACHLORODIBENZO-P-DIOXIN
2,4,5-Trichlorophenol

1,2,3,7,8-PECDD - Introduction

1,2,3,7, is a kind of organic matter, its chemical formula is C12H5Cl5O. It is a colorless crystalline solid that does not volatilize at room temperature. It is highly toxic and carcinogenic and belongs to one of the environmental pollutants.

1,2,3,7, is often used as an intermediate in industrial chemicals, especially in the manufacture of pesticides, herbicides and wood preservatives. It can also be used to study areas such as toxicology and environmental science.

There are many common methods for preparing 1,2,3,7, and calcium. One method is obtained by chlorination and dehydration of chlorinated phenol. The preparation process requires strict operational control to avoid the production of harmful by-products.

Since 1,2,3,7, is highly toxic, contact and inhalation should be avoided. It is a persistent organic pollutant that is prone to accumulation and biomagnification in the environment. According to the assessment of international health agencies, it is classified as a human carcinogen, and long-term exposure may cause a variety of health problems.

In order to protect the environment and human health, the use and preparation of 1,2,3,7, and 1 should be strictly controlled, and corresponding protective measures should be taken, such as wearing protective clothing, wearing a gas mask and providing good ventilation conditions. In addition, when handling the substance, the relevant regulations and safety regulations should be strictly observed.

Last Update：2024-04-10 22:29:15