p-Chlorobenzoic anhydride

Name: p-Chlorobenzoic anhydride
Brand: Vaqora Chemicals
SKU: VQ-049547

About p-Chlorobenzoic anhydride

p-Chlorobenzoic anhydride is an acylating agent carrying the CAS registry number 790-41-0. With the molecular formula C14H8Cl2O3, it has a molar mass of 295.1 g/mol. Systematically, it is named (4-chlorobenzoyl) 4-chlorobenzoate. Common synonyms include Bis(4-chlorobenzoic) anhydride and Benzoic acid, 4-chloro-, anhydride.

Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies p-Chlorobenzoic anhydride in 100 mg, 250 mg, 1 g and 5 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	p-Chlorobenzoic anhydride
Catalogue No.	VQ-049547
CAS Number	790-41-0
IUPAC name	(4-chlorobenzoyl) 4-chlorobenzoate
Molecular formula	C₁₄H₈Cl₂O₃
Molecular weight	295.1 g/mol
Exact mass	293.985
InChIKey	MWUSAETYTBNPDG-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1C(=O)OC(=O)C2=CC=C(C=C2)Cl)Cl
PubChem CID	69923

Physical properties
Physical form	Other
LogP (XLogP3)	4.5
H-bond donors / acceptors	0 / 3
TPSA	43.4 Å²
Synonyms	Bis(4-chlorobenzoic) anhydride, Benzoic acid, 4-chloro-, anhydride, Benzoic acid, 4-chloro-, 1,1'-anhydride, 4-Chlorobenzoic anhydride, 4-chlorobenzoicanhydride, p-Chlorobenzoic acid anhydride, Benzoic acid, p-chloro-, anhydride, 4-Chlorobenzoic acid anhydride, p-Chlorobenzoyl anhydride, 4 -chlorobenzoic anhydride, 4-Chlorophenyl anhydride #, 4-chlorobenzoic anhydride:p-chlorobenzoic anhydride

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, 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 p-Chlorobenzoic anhydride?

The CAS Registry Number of p-Chlorobenzoic anhydride is 790-41-0. It is also known as Bis(4-chlorobenzoic) anhydride, Benzoic acid, 4-chloro-, anhydride, Benzoic acid, 4-chloro-, 1,1'-anhydride.

What is the molecular formula and molecular weight of p-Chlorobenzoic anhydride?

p-Chlorobenzoic anhydride has the molecular formula C14H8Cl2O3 and a molecular weight of 295.1 g/mol. Its IUPAC name is (4-chlorobenzoyl) 4-chlorobenzoate.

Which grade and pack sizes of p-Chlorobenzoic anhydride can I order?

We supply p-Chlorobenzoic anhydride, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with p-Chlorobenzoic anhydride?

Yes. Every lot of p-Chlorobenzoic anhydride 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 p-Chlorobenzoic anhydride be shipped internationally?

Yes. p-Chlorobenzoic anhydride 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.