Heptachlorodibenzo-p-dioxin

Name: Heptachlorodibenzo-p-dioxin
Brand: Vaqora Chemicals
SKU: VQ-039047

About Heptachlorodibenzo-p-dioxin

Heptachlorodibenzo-p-dioxin is an API impurity reference standard carrying the CAS registry number 35822-46-9. Its molecular formula is C12HCl7O2 and its molecular weight is 425.3 g/mol. Systematically, it is named 1,2,3,4,6,7,8-heptachlorodibenzo-p-dioxin. Alternative names: 1,2,3,4,6,7,8-Heptachlorodibenzodioxin and 1,2,3,4,6,7,8-HpCDD.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 5 hazard statements. Review the Safety Data Sheet before use.

As a characterised impurity of the parent drug substance, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Heptachlorodibenzo-p-dioxin in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Specifications & identifiers

Chemical identifiers
Product name	Heptachlorodibenzo-p-dioxin
Catalogue No.	VQ-039047
CAS Number	35822-46-9
IUPAC name	1,2,3,4,6,7,8-heptachlorodibenzo-p-dioxin
Molecular formula	C₁₂HCl₇O₂
Molecular weight	425.3 g/mol
Exact mass	423.7767
Grade	Reference Standard
HSN code	38229090
InChIKey	WCLNVRQZUKYVAI-UHFFFAOYSA-N
SMILES	C1=C2C(=C(C(=C1Cl)Cl)Cl)OC3=C(O2)C(=C(C(=C3Cl)Cl)Cl)Cl
PubChem CID	37270

Physical properties
Physical form	Solid
LogP (XLogP3)	7.5
H-bond donors / acceptors	0 / 2
TPSA	18.5 Å²
Synonyms	1,2,3,4,6,7,8-Heptachlorodibenzodioxin, 1,2,3,4,6,7,8-HpCDD, PCDD 73, Dibenzo(b,e)(1,4)dioxin, 1,2,3,4,6,7,8-heptachloro-, 1,2,3,4,6,7,8-Heptachlorodibenzo-para-dioxin, Dibenzo-p-dioxin, 1,2,3,4,6,7,8-heptachloro-, 1,2,3,4,6,7,8-heptachlorooxanthrene, 1,2,3,4,6,7,8-Heptachlorodibenzo(b,e)(1,4)dioxin, Dibenzo[b,e][1,4]dioxin, heptachloro-, 1,2,3,4,6,7,8,-heptachlorodibenzodioxin, 1,2,3,4,6,7,8-heptachloro dibenzo-p-dioxin, 1,2,3,4,6,7,8-Hepta-chlorodibenzo-p-dioxin

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Warning

Hazard statements

H319Causes serious eye irritation
H335May cause respiratory irritation
H341Suspected of causing genetic defects
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P203, P261, P264 + P265, P271, P273, P280, P304 + P340, P305 + P351 + P338, P318, P319, P337 + P317, P391, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Heptachlorodibenzo-p-dioxin?

The CAS Registry Number of Heptachlorodibenzo-p-dioxin is 35822-46-9. It is also known as 1,2,3,4,6,7,8-Heptachlorodibenzodioxin, 1,2,3,4,6,7,8-HpCDD, PCDD 73.

What is the molecular formula and molecular weight of Heptachlorodibenzo-p-dioxin?

Heptachlorodibenzo-p-dioxin has the molecular formula C12HCl7O2 and a molecular weight of 425.3 g/mol. Its IUPAC name is 1,2,3,4,6,7,8-heptachlorodibenzo-p-dioxin.

Which grade and pack sizes of Heptachlorodibenzo-p-dioxin can I order?

We supply Heptachlorodibenzo-p-dioxin in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Heptachlorodibenzo-p-dioxin?

Yes. Every lot of Heptachlorodibenzo-p-dioxin is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Heptachlorodibenzo-p-dioxin be shipped internationally?

Yes. Heptachlorodibenzo-p-dioxin is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.