Diethylene Glycol Dibenzoate

About Diethylene Glycol Dibenzoate

Diethylene Glycol Dibenzoate is a process intermediate or related compound of N methylpyrrolidone carrying the CAS registry number 120-55-8. Formula C18H18O5, molecular weight 314.3 g/mol. Systematically, it is named 2-(2-benzoyloxyethoxy)ethyl benzoate. Alternative names: Benzo Flex 2-45 and Dibenzoyldiethyleneglycol ester.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

It is a process intermediate or related compound in the synthesis of N methylpyrrolidone, useful for route development, impurity fate-and-purge studies and analytical method development. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to N methylpyrrolidone

View every impurity, metabolite and intermediate we list for N methylpyrrolidone.

N methylpyrrolidone impurities

Specifications & identifiers

Chemical identifiers
Product name	Diethylene Glycol Dibenzoate
Catalogue No.	VQ-049579
CAS Number	120-55-8
IUPAC name	2-(2-benzoyloxyethoxy)ethyl benzoate
Molecular formula	C₁₈H₁₈O₅
Molecular weight	314.3 g/mol
Exact mass	314.1154
InChIKey	NXQMCAOPTPLPRL-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)C(=O)OCCOCCOC(=O)C2=CC=CC=C2
PubChem CID	8437

Physical properties
Physical form	Solid
LogP (XLogP3)	3.4
H-bond donors / acceptors	0 / 5
TPSA	61.8 Å²
Synonyms	Benzo Flex 2-45, Dibenzoyldiethyleneglycol ester, Benzoflex 2-45, Benzoyloxyethoxyethyl benzoate, Ethanol, 2,2'-oxybis-, dibenzoate, Benzoic acid, diester with diethylene glycol, Di-O-Benzoyldiethylene Glycol, Oxybis(ethane-2,1-diyl) dibenzoate, Diglycol dibenzoate, Oxydiethylene dibenzoate, Ethanol, 2,2'-oxybis-, 1,1'-dibenzoate

Safety & hazard information (GHS)

Environmental hazard

Hazard statements

H411Toxic to aquatic life with long lasting effects

Precautionary statements: P273, P391, 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 Diethylene Glycol Dibenzoate?

The CAS Registry Number of Diethylene Glycol Dibenzoate is 120-55-8. It is also known as Benzo Flex 2-45, Dibenzoyldiethyleneglycol ester, Benzoflex 2-45.

What is the molecular formula and molecular weight of Diethylene Glycol Dibenzoate?

Diethylene Glycol Dibenzoate has the molecular formula C18H18O5 and a molecular weight of 314.3 g/mol. Its IUPAC name is 2-(2-benzoyloxyethoxy)ethyl benzoate.

What is Diethylene Glycol Dibenzoate used for?

Diethylene Glycol Dibenzoate is supplied as a characterised reference material related to N methylpyrrolidone. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Diethylene Glycol Dibenzoate can I order?

We supply Diethylene Glycol Dibenzoate, 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 Diethylene Glycol Dibenzoate?

Yes. Every lot of Diethylene Glycol Dibenzoate 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 Diethylene Glycol Dibenzoate be shipped internationally?

Yes. Diethylene Glycol Dibenzoate 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.