壬二酸双(2-乙基己基)酯

Description

bis(2-ethylhexyl) azelate · CAS 103-24-2 · C25H48O4. UNII 5D67SBH6QB. Boiling Point: 237 °C @ 5 mm Hg; Melting Point: -78 °C; Density: 0.915 @ 25 °C/4 °C.

Identification

CAS Registry Number	103-24-2
PubChem CID	7642
Molecular formula	C25H48O4
IUPAC name	bis(2-ethylhexyl) nonanedioate
UNII (FDA)	5D67SBH6QB

Computed Descriptors

Molecular Weight	412.6
XLogP3	8.5
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	22
Exact Mass	412.35526001
Monoisotopic Mass	412.35526001
Topological Polar Surface Area	52.6
Heavy Atom Count	29
Formal Charge	0

Physical & Chemical Properties

Boiling Point	237 °C @ 5 mm Hg
Melting Point	-78 °C
Density	0.915 @ 25 °C/4 °C
Formulations/Preparations	Grade: 99% pure

Physical description & handling notes

• Liquid
• Colorless odorless liquid; [HSDB] Clear liquid with a mild odor; [HallStar MSDS]
• Colorless liquid
• Odorless
• Insol in water; sol in ethanol, acetone, benzene
• Index of refraction: 1.446 @ 25 °C/D

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
GHS notification summary	100% (76 / 76)

GHS Hazard Classification

GHS notification summary	100% (76 / 76)

Documented Uses

• Metal Machining [Category: Heat or Machine]
• PLASTICIZER FOR CELLULOSICS, POLYSTYRENE & VINYL PLASTICS
• Plasticizer for vinyls, especially used as low-temperature plasticizer; base for synthetic lubricants.
• REACTION OF AZELAIC ACID WITH 2-ETHYLHEXYL ALCOHOL IN THE PRESENCE OF AN ACID CATALYST
• 2023: 2,500,000 - <4,000,000 lb
• 2022: 1,000,000 - <2,500,000 lb

Synonyms

103-24-2; Bis(2-ethylhexyl) azelate; bis(2-ethylhexyl) nonanedioate; Azelaic Acid Di(2-ethylhexyl) Ester; Truflex DOX; Staflex DOX; Plastolein 9058; Di(2-ethylhexyl) azelate; Sansocizer DOZ; Nonanedioic acid, bis(2-ethylhexyl) ester; Plastolein 9058DOZ; Emery 2958; DI-2-ETHYLHEXYL AZELATE; Emolien 2986; Plastolein 9058 DOZ; Azelaic acid, bis(2-ethylhexyl) ester

Frequently Asked Questions

What are the CAS number and molecular formula of bis(2-ethylhexyl) azelate?

CAS 103-24-2; molecular formula C25H48O4; molecular weight — g/mol.

What other names is bis(2-ethylhexyl) azelate known by?

103-24-2, Bis(2-ethylhexyl) azelate, bis(2-ethylhexyl) nonanedioate, Azelaic Acid Di(2-ethylhexyl) Ester, Truflex DOX, Staflex DOX.

What is the regulatory status of bis(2-ethylhexyl) azelate?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is bis(2-ethylhexyl) azelate classified as hazardous?

100% of GHS notifications report no hazard classification (76 of 76).

What are the key physical properties of bis(2-ethylhexyl) azelate?

Boiling Point: 237 °C @ 5 mm Hg; Melting Point: -78 °C; Density: 0.915 @ 25 °C/4 °C; Formulations/Preparations: Grade: 99% pure.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.