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Sigma-Aldrich

Di(propylene glycol) dibenzoate

75%, technical grade

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About This Item

Linear Formula:
(C6H5CO2C3H6)2O
CAS Number:
27138-31-4
Molecular Weight:
342.39
EC Number:
248-258-5
UNSPSC Code:
12162002
PubChem Substance ID:
24881677
NACRES:
NA.23

grade

technical grade

Assay

75%

refractive index

n20/D 1.528 (lit.)

bp

232 °C/5 mmHg (lit.)

density

1.12 g/mL at 25 °C (lit.)

SMILES string

O=C(OCCCOCCCOC(=O)c1ccccc1)c2ccccc2

InChI

1S/C20H22O5/c21-19(17-9-3-1-4-10-17)24-15-7-13-23-14-8-16-25-20(22)18-11-5-2-6-12-18/h1-6,9-12H,7-8,13-16H2

InChI key

BYQDGAVOOHIJQS-UHFFFAOYSA-N

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General description

Di(propylene glycol) dibenzoate (DPGDB) is a widely used plasticizer that has ether linkages linked with two benzoate groups.

Application

DPGDB may be used as a diluent for the preparation of polysulfone membranes by heat induced phase separation. It finds potential applications in water treatment and food processing. It may also be used as a plasticizer with poly(vinyl) chloride (PVC) for the fabrication of diamond coated PVC.

Hazard Statements

H412

Precautionary Statements

P273

Hazard Classifications

Aquatic Chronic 3

Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

377.6 °F - closed cup

Flash Point(C)

192 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Fabrication of polysulfone membrane via thermally induced phase separation process.
Liu Z, et al.
Materials Letters, 195(6), 190-193 (2017)
Development of new PVC materials. Characterization and feasibility of diamond coatings on model PVC materials.
Koponen HK, et al.
Diamond and Related Materials, 16(3), 630-636 (2007)
Designing green plasticizers: Linear alkyl diol dibenzoate plasticizers and a thermally reversible plasticizer
Erythropel H, et al.
Polymers, 10(6), 646-646 (2018)

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