Malonyl chloride, 97%

About Malonyl chloride, 97%

Malonyl chloride is an acylating agent carrying the CAS registry number 1663-67-8 at a purity of 98%. Formula C3H2Cl2O2, molecular weight 140.95 g/mol. Its systematic (IUPAC) name is propanedioyl dichloride. Common synonyms include Malonyl dichloride and Malonoyl chloride.

It is supplied as a faint yellow to yellow to orange liquid. Literature values give a density of 1.449 g/mL at 25 °C. Store it at 2–8 °C, in a tightly closed container. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

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

We offer Malonyl chloride in 5 g, 25 g and 100 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
Electronics & thin films

Industries

Specifications & identifiers

Chemical identifiers
Product name	Malonyl chloride, 97%
Catalogue No.	VQ-009148
CAS Number	1663-67-8
IUPAC name	propanedioyl dichloride
Molecular formula	C₃H₂Cl₂O₂
Molecular weight	140.95 g/mol
Exact mass	139.9432
Purity / assay	98%
HSN code	29171990
InChIKey	SXYFKXOFMCIXQW-UHFFFAOYSA-N
SMILES	C(C(=O)Cl)C(=O)Cl
PubChem CID	74269

Physical properties
Physical form	Liquid
Appearance	Faint yellow to yellow to orange liquid
Density	1.449 g/mL at 25 °C
LogP (XLogP3)	1.5
H-bond donors / acceptors	0 / 2
TPSA	34.1 Å²
Storage	2–8 °C
UN number	UN 2920
Synonyms	Malonyl dichloride, Malonoyl chloride, Malonic acid dichloride, Malonic acid chloride, Malonoyl dichloride, methane-1,1-dicarbonyl chloride, Malonylchloride, malonyldichloride, Malonyl dicloride, 1,3-Dichloro-1,3-propanedione, Malonyl chloride, 97%

Safety & hazard information (GHS)

Flammable

Corrosive

Signal word: Danger

Hazard statements

H226Flammable liquid and vapor
H314Causes severe skin burns and eye damage

Precautionary statements: P210, P233, P240, P241, P242, P243, P260, P264, P280, P301 + P330 + P331, P302 + P361 + P354, P303 + P361 + P353, P304 + P340, P305 + P354 + P338, P316, P321, P363, P370 + P378, P403 + P235, 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 Malonyl chloride, 97%?

The CAS Registry Number of Malonyl chloride, 97% is 1663-67-8. It is also known as Malonyl dichloride, Malonoyl chloride, Malonic acid dichloride.

What is the molecular formula and molecular weight of Malonyl chloride, 97%?

Malonyl chloride, 97% has the molecular formula C3H2Cl2O2 and a molecular weight of 140.95 g/mol. Its IUPAC name is propanedioyl dichloride.

Which grade and pack sizes of Malonyl chloride, 97% can I order?

We supply Malonyl chloride, 97% in (98%) grade, in 5 g, 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Malonyl chloride, 97%?

Yes. Every lot of Malonyl chloride, 97% 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 Malonyl chloride, 97% be shipped internationally?

Yes. Malonyl chloride, 97% is classified as hazardous (UN 2920), 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.

How should Malonyl chloride, 97% be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.