ChemicalBook >> CAS DataBase List >>1,2,3,7,8,9-HEXACHLORODIBENZO-P-DIOXIN

1,2,3,7,8,9-HEXACHLORODIBENZO-P-DIOXIN

CAS No.
19408-74-3
Chemical Name:
1,2,3,7,8,9-HEXACHLORODIBENZO-P-DIOXIN
Synonyms
d70;Solvent Oil D70;1,2,3,7,8,9-HCDD;2,3,4,6,7,8-HCDD;1,2,3,7,8,9-HXCDD;DIBENZO-PARA-DIOXIN,HEXACHLORO-;1,2,3,7,8,9-hexachloro-dibenzo-p-dioxi;2,3,4,6,7,8-Hexachlorodibenzo-p-dioxin;2,3,4,6,7,8-Hexachlorodibenzo[1,4]dioxin;Dibenzo-p-dioxin, 1,2,3,7,8,9-hexachloro-
CBNumber:
CB7502972
Molecular Formula:
C12H2Cl6O2
Molecular Weight:
390.86
MDL Number:
MFCD00671095
MOL File:
19408-74-3.mol
MSDS File:
SDS
Last updated:2026-05-28 04:59:31
Product description Number Pack Size Price
1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin ≥90% 38596 1mg $310
1,2,3,7,8,9-Hexachlorodibenzodioxin H290790 10mg $1295
1,2,3,7,8,9-HEXACHLORODIBENZODIOXIN 95.00% HCH0418056 5MG $505.36
More product size

1,2,3,7,8,9-HEXACHLORODIBENZO-P-DIOXIN Properties

Melting point 243.5°C
Boiling point 475.35°C (rough estimate)
Density 1.8350 (estimate)
refractive index 1.6710 (estimate)
solubility Chloroform (Slightly), Ethyl Acetate (Slightly, Heated)
form Solid
color White to Off-White
Henry's Law Constant 2.5×10-4 mol/(m3Pa) at 25℃, Paasivirta et al. (1999)
Toxicology and Carcinogenesis Bioassay of a Mixture of 1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin and 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin (Dermal Study) for Possible Carcinogenicity (CASRN 57653-85-7; CASRN 19408-74-3)
Bioassay of a Mixture of 1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin and 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin (Gavage) for Possible Carcinogenicity (CASRN 57653-85-7, CASRN 19408-74-3)
EWG's Food Scores 1
FDA UNII CV865M3P15
EPA Substance Registry System 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin (19408-74-3)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)Environment (GHS09)
GHS07,GHS09
Signal word  Warning
Hazard statements  H302-H410
Precautionary statements  P273-P391-P501-P264-P270-P301+P312-P330-P501
RIDADR  2811
HazardClass  6.1(a)
PackingGroup  I
Hazardous Substances Data 19408-74-3(Hazardous Substances Data)

1,2,3,7,8,9-HEXACHLORODIBENZO-P-DIOXIN price More Price(3)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Cayman Chemical 38596 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin ≥90% 19408-74-3 1mg $310 2026-04-30 Buy
TRC H290790 1,2,3,7,8,9-Hexachlorodibenzodioxin 19408-74-3 10mg $1295 2021-12-16 Buy
American Custom Chemicals Corporation HCH0418056 1,2,3,7,8,9-HEXACHLORODIBENZODIOXIN 95.00% 19408-74-3 5MG $505.36 2021-12-16 Buy
Product number Packaging Price Buy
38596 1mg $310 Buy
H290790 10mg $1295 Buy
HCH0418056 5MG $505.36 Buy

1,2,3,7,8,9-HEXACHLORODIBENZO-P-DIOXIN Chemical Properties,Uses,Production

Uses

A toxic polychlorinated dibenzo-p-dioxin detected in domestic meat and poultry.

Definition

ChEBI: 1,2,3,7,8,9-Hexachlorodibenzodioxin is a polychlorinated dibenzodioxine.

General Description

Light pink crystalline solid.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

1,2,3,7,8,9-HEXACHLORODIBENZO-P-DIOXIN is stable under normal laboratory conditions. Solutions may be sensitive to light. Methanol solutions are degraded on exposure to sunlight or ultraviolet irradiation.

Fire Hazard

Flash point data for 1,2,3,7,8,9-HEXACHLORODIBENZO-P-DIOXIN are not available. 1,2,3,7,8,9-HEXACHLORODIBENZO-P-DIOXIN is probably combustible.

1746-01-6
19408-74-3
35822-46-9
3268-87-9
Synthesis of 1,2,3,7,8,9-HEXACHLORODIBENZO-P-DIOXIN from 2,3,7,8-TETRACHLORODIBENZO-P-DIOXIN
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1,2,3,7,8,9-hexachlorodibenzo(b,e)(1,4)dioxin 1,2,3,7,8,9-hexachloro-dibenzo-p-dioxi Dibenzo-p-dioxin, 1,2,3,7,8,9-hexachloro- DIBENZO-PARA-DIOXIN,HEXACHLORO- 1,2,3,7,8,9-HCDD 1,2,3,7,8,9-HXCDD 2,3,4,6,7,8-HCDD 2,3,4,6,7,8-Hexachlorodibenzo[1,4]dioxin 2,3,4,6,7,8-Hexachlorodibenzo-p-dioxin 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin@50 μg/mL in Toluene Dibenzo[b,e][1,4]dioxin, 1,2,3,7,8,9-hexachloro- Solvent Oil D70 d70 19408-74-3 Aromatics Heterocycles