Tetrachlorophthalic anhydride, 96%

Name: Tetrachlorophthalic anhydride, 96%
Brand: Vaqora Chemicals
SKU: VQ-019052

About Tetrachlorophthalic anhydride, 96%

Tetrachlorophthalic anhydride (CAS 117-08-8) is a monomer offered by Vaqora Chemicals (Puriss grade) at a purity of 96%. Its molecular formula is C8Cl4O3 and its molecular weight is 285.9 g/mol. Its systematic (IUPAC) name is 4,5,6,7-tetrachloro-2-benzofuran-1,3-dione. Alternative names: Tetra chloro phthalic anhydride and Niagathal.

In its supplied form it is white powder to crystals. Reported physical data include a melting point of 253-257 °C and a boiling point of 371 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 5 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for polymerisation, crosslinking and curing, adhesives and coatings and organic synthesis. It is used across polymers and plastics, paints and coatings and agrochemical production.

We offer Tetrachlorophthalic anhydride in 100 g, 500 g, 1 kg and 5 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Polymerisation
Crosslinking & curing
Adhesives & coatings
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Tetrachlorophthalic anhydride, 96%
Catalogue No.	VQ-019052
CAS Number	117-08-8
IUPAC name	4,5,6,7-tetrachloro-2-benzofuran-1,3-dione
Molecular formula	C₈Cl₄O₃
Molecular weight	285.9 g/mol
Exact mass	285.8572
Grade	Puriss
Purity / assay	96%
HSN code	29173500
InChIKey	AUHHYELHRWCWEZ-UHFFFAOYSA-N
SMILES	C12=C(C(=C(C(=C1Cl)Cl)Cl)Cl)C(=O)OC2=O
PubChem CID	8326

Physical properties
Physical form	Crystalline
Appearance	White powder to crystals
Melting point	253-257 °C
Boiling point	371 °C
LogP (XLogP3)	3.8
H-bond donors / acceptors	0 / 3
TPSA	43.4 Å²
UN number	UN 3077
Synonyms	Tetra chloro phthalic anhydride, Niagathal, Tetrathal, 1,3-Isobenzofurandione, 4,5,6,7-tetrachloro-, 4,5,6,7-Tetrachloro-1,3-isobenzofurandione, Phthalic anhydride, tetrachloro-, 1,3-Dioxy-4,5,6,7-tetrachloroisobenzofuran, tetrachlorophthalic acid anhydride, CP 626, 3,4,5,6-tetrachlorophthalic anhydride, 4,5,6,7-tetrachloroisobenzofuran-1,3-dione, tetrachloro-1,3-dihydro-2-benzofuran-1,3-dione

Safety & hazard information (GHS)

Corrosive

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H317May cause an allergic skin reaction
H318Causes serious eye damage
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P233, P260, P261, P264 + P265, P271, P272, P273, P280, P284, P302 + P352, P304 + P340, P305 + P354 + P338, P317, P321, P333 + P317, P342 + P316, P362 + P364, P391, P403, 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 Tetrachlorophthalic anhydride, 96%?

The CAS Registry Number of Tetrachlorophthalic anhydride, 96% is 117-08-8. It is also known as Tetra chloro phthalic anhydride, Niagathal, Tetrathal.

What is the molecular formula and molecular weight of Tetrachlorophthalic anhydride, 96%?

Tetrachlorophthalic anhydride, 96% has the molecular formula C8Cl4O3 and a molecular weight of 285.9 g/mol. Its IUPAC name is 4,5,6,7-tetrachloro-2-benzofuran-1,3-dione.

Which grade and pack sizes of Tetrachlorophthalic anhydride, 96% can I order?

We supply Tetrachlorophthalic anhydride, 96% in Puriss (96%) grade, in 100 g, 500 g, 1 kg, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tetrachlorophthalic anhydride, 96%?

Yes. Every lot of Tetrachlorophthalic anhydride, 96% 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 Tetrachlorophthalic anhydride, 96% be shipped internationally?

Yes. Tetrachlorophthalic anhydride, 96% is classified as hazardous (UN 3077), 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.