碳酸乙烯酯

Description

Ethylene carbonate · CAS 96-49-1 · C3H4O3. UNII RGJ96TB7R7. Boiling Point: 248 °C; Boiling Point: 248 °C @760 [mm Hg]; Melting Point: 36.4 °C.

Identification

CAS Registry Number	96-49-1
PubChem CID	7303
Molecular formula	C3H4O3
IUPAC name	1,3-dioxolan-2-one
UNII (FDA)	RGJ96TB7R7

Computed Descriptors

Molecular Weight	88.06
XLogP3	0.3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	88.016043985
Monoisotopic Mass	88.016043985
Topological Polar Surface Area	35.5
Heavy Atom Count	6
Formal Charge	0

Physical & Chemical Properties

Boiling Point	248 °C
Boiling Point	248 °C @760 [mm Hg]
Melting Point	36.4 °C
Flash Point	143 °C
Flash Point	290 °F (143 °C) (Open Cup)
Density	1.3214 at 39 °C
Density	1.322 @ 40°C
Vapor Density	3.04 (Air=1)
Vapor Pressure	0.0098 [mmHg]
Vapor Pressure	9.8X10-3 mm Hg @ 25 °C

Physical description & handling notes

• CBI; Dry Powder; Liquid
• Colorless, odorless solid or liquid; [Hawley] Solid below 36.4 deg C, liquid above this temperature; supercools (remains liquid) at temperatures below its melting point; [CHEMINFO] Colorless solidified mass; Soluble in water; [MSDSonline]
• Monoclinic plates
• Colorless solid or liquid
• Solid at room temperature.
• Colorless liquid or crystalline solid.

Regulatory Status

GHS notification summary	5.7% (31 / 543)

GHS Hazard Classification

GHS notification summary	5.7% (31 / 543)
Reported hazard statements	H302 (56.4%), H315 (13.1%), H319 (74.2%), H373 (56.2%)

Documented Uses

• Used as a solvent for many polymers and resins, a plasticizer, and an intermediate for pharmaceuticals; Also used in the rubber and textile industries; [Hawley] Used as a solvent (surface coatings, plastics, polymers, resins, and lithium-ion battery electrolytes), reactive diluent (urethanes and epoxy resins), dye assistant, plasticizer, water scavenger, foundry sand binder, and chemical intermediate; [CHEMINFO]
• Molding and Core Making [Category: Foundry]
• Battery Manufacturing [Category: Industry]
• Textiles (Fiber & Fabric Manufacturing) [Category: Industry]
• Painting (Solvents) [Category: Paint]
• Plastic Composites Manufacturing [Category: Industry]

Synonyms

Ethylene carbonate; 1,3-DIOXOLAN-2-ONE; 96-49-1; Glycol carbonate; Ethylene glycol carbonate; Dioxolone-2; Cyclic ethylene carbonate; Ethylene carbonic acid; Carbonic acid, cyclic ethylene ester; Ethylene glycol, cyclic carbonate; Ethylenester kyseliny uhlicite; DTXSID2026600; RGJ96TB7R7; JEFFSOL EC; NSC-11801; DTXCID806600

Frequently Asked Questions

What are the CAS number and molecular formula of Ethylene carbonate?

CAS 96-49-1; molecular formula C3H4O3; molecular weight — g/mol.

What other names is Ethylene carbonate known by?

Ethylene carbonate, 1,3-DIOXOLAN-2-ONE, 96-49-1, Glycol carbonate, Ethylene glycol carbonate, Dioxolone-2.

Is Ethylene carbonate classified as hazardous?

5.7% of GHS notifications report no hazard classification (31 of 543).

What are the key physical properties of Ethylene carbonate?

Boiling Point: 248 °C; Boiling Point: 248 °C @760 [mm Hg]; Melting Point: 36.4 °C; Flash Point: 143 °C.

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.