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GY-Diethyl carbonate (DEC)

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CAS No.:

105-58-8

Grade:

Industrial Grade

Content:

99.9%

Packaging:

200kg/iron drum

Sample Available:

Yes

Price valid (until):

2026-09-21

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Chongqing Guangyi Chemical Co.,Ltd

Company Type:

Trader

Location:

China

Payment Terms:

L/C,TT against B/L draft before shipment,100% TT in advance

Qualification:

Main Products:

DMF,Aniline,Benzene,Phosphoric acid,Hexane,Heptane

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Product Description
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Inquiry History

Description

Product Detail

Chemical Name： Diethyl carbonate (DEC)

Synonyms ： Diethyl carbonate; Carbonic acid diethyl ester; Ethyl carbonate; Carbonic ether; Diatol; Eufin

CAS N o： 105-58-8

Priary Use ： Lithium-battery electrolyte: solvent component; low toxicity, moderate dielectric constant, relatively wide electrochemical window.Organic synthesis: carbonylation/ethoxycarbonylation and alkylation reagent; synthesis of ketones, tertiary alcohols, heterocycles, carbamates and unsymmetrical alkyl carbonates.Pharma & agro: intermediate for phenobarbital and similar actives; pyrethroid pesticide intermediate.Industrial solvent: for nitrocellulose, cellulose ethers, synthetic/natural resins, oils and paints (paint strippers); textile auxiliaries; plasticizer solvent or plasticizer; vacuum-tube cathode sealing fixative.

Items	Specifications
Molecular formula	C5H10O3
Molecular weight	118.13 g/mol
Appearance	Clear colorless liquid, mild ethereal odor
Melting point	-43 °C（ lit. ≈ -43 °C, some -74 °C）
Boiling point	126 °C（1013 hPa）； 126 °C (1013 hPa); lit. 126–128 °C
Density (20 °C)	0.975 g/cm³（ lit. 0.974–0.975）
Vapor density (air=1)	4.1（ lit. 4.07）
Vapor pressure	1.1 kPa（≈8.3 mmHg）@ 20 °C；79 hPa（≈59 mmHg）@ 37.8 °C（ 1.1–10 mmHg source 1.1–10 mmHg）
Flash point (closed cup)	25 – 33 °C（Merck/Sigma 25 °C CC； 31–33 °C； >23 °C → GHS 3 lit. 25–33 °C CC; H226 Cat.3）
Auto-ignition temp.	445 °C
Explosive limits (air, v/v)	1.4 – 11.0 %（ lower 1.4 %, upper 11.0 %）
Refractive index (n20/D)	1.384（ lit. 1.383–1.385）
log Pow	1.21（25 °C at 25 °C）
Viscosity (25 °C)	~ 0.748 mPa·s
pH	≈ 6.3
Solubility	miscible with alcohols, ethers, ketones, esters, aromatic hydrocarbons

ECHEMI Editorial Reference

COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR.
Diethyl carbonate appears as a colorless liquid with a mild pleasant odor. It is slightly less dense than water and insoluble in water. Hence floats on water. Flash point 77°F. Vapors are heavier than air. When heated to high temperatures it may emit acrid smoke. Used as a solvent.|Liquid|COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR.
Diethyl carbonate appears as a colorless liquid with a mild pleasant odor. It is slightly less dense than water and insoluble in water. Hence floats on water. Flash point 77°F. Vapors are heavier than air. When heated to high temperatures it may emit acrid smoke. Used as a solvent.|Diethyl carbonate is a carbonate ester.

Certificates

Basic Info

Product Name:

Diethyl carbonate

Other Name:

Carbonic acid,diethyl ester;Diatol;Diethyl carbonate;Eufin;Ethyl carbonate ((EtO)2CO);Ethyl carbonate;DEC;NSC 8849;Diatol (carbonate);H-DEC

CAS No.:

105-58-8

UN No.:

2366

Molecular Formula:

C5H10O3

InChIKeys:

InChIKey=OIFBSDVPJOWBCH-UHFFFAOYSA-N

Molecular Weight:

118.13

Exact Mass:

118.13

BRN:

956591

EC Number:

212-786-4

UNII:

3UA92692HG

ICSC Number:

1022

NSC Number:

8849

UN Number:

2366

DSSTox ID:

DTXSID3025041

Color/Form:

Colorless liquid

HScode:

2920909090

Categories:

Carboxylic Acids and Derivatives

Characteristics

PSA:

35.5

XLogP3:

1.21

Appearance:

Clear Liquid

Density:

0.9752 g/cm³ @ Temp: 20 °C

Melting Point:

-43 °C

Boiling Point:

126 °C

Flash Point:

88 °F

Refractive Index:

1.391

Water Solubility:

H2O: negligible soluble

Storage Conditions:

Flammables area

Vapor Pressure:

10 mm Hg ( 23.8 °C)

Vapor Density:

4.1 (vs air)

Toxicity:

Oral-Rat LDL0: 15000mg/kg

Flammability characteristics:

Inflammable in case of open flame, high temperature, oxidant; burning produces irritating smoke

Explosive limit:

1.4-11.0%(V)

Odor:

Pleasant ethereal odor|Mild odor

Experimental Properties:

CAN REACT WITH OXIDIZING MATERIALS

Air and Water Reactions:

Highly flammable. Insoluble in water.

Reactive Group:

Esters, Sulfate Esters, Phosphate Esters, Thiophosphate Esters, and Borate Esters

Reactivity Alerts:

Highly Flammable

Reactivity Profile:

DIETHYL CARBONATE reacts with acids to liberate heat along with ethanol and carbon dioxide. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by the interaction with caustic solutions. Flammable hydrogen is generated by mixing with alkali metals and hydrides.

Autoignition Temperature:

445 °C

Physical Dangers:

The vapour is heavier than air and may travel along the ground; distant ignition possible.

See More Diethyl carbonate Properties 

Hazard Identification

Classification of the substance or mixture

Flammable liquids, Category 3

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H226 Flammable liquid and vapour
Prevention	P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof [electrical/ventilating/lighting/...] equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response	P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse affected areas with water [or shower]. P370+P378 In case of fire: Use ... to extinguish.
Storage	P403+P235 Store in a well-ventilated place. Keep cool.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO open flames, NO sparks and NO smoking. NO contact with strong oxidizing agents. Above 25Â°C use a closed system, ventilation and explosion-proof electrical equipment. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Fireproof. Separated from strong oxidants. Cool. Well closed.

See More Diethyl carbonate Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
DMF,Aniline,Benzene,Phosphoric acid,Hexane,Heptane

Location:
No.19-10 Building 10, No.9 Huoju Rd, Jiulongpo District, Chongqing.

Payment Terms:
L/C,TT against B/L draft before shipment,100% TT in advance

Total Employees:
5-10

Year of Establishment:
2012

Company Certificates
- EMS CERTIFICATION OF REGISTRATION
- OHSMS CERTIFICATION OF REGISTRATION
- QMS CERTIFICATION OF REGISTRATION
Chongqing Guangyi Chemical Co., Ltd. is a professional supplier with in-depth engagement in domestic and global chemical trading markets.

Chongqing Guangyi Chemical

Inquiry History

4 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	Diethyl Carbonate extrapure, 99%	50.00 KG	Jan 8, 2024
South Korea	Diethyl carbonate	5400 KG	Oct 24, 2024
South Korea	Diethyl carbonate	2 MT	Apr 8, 2026
Russia	Diethyl Carbonate CAS No.: 105-58-8 Purity: ≥99.5% Packaging: 200kg/drum	400 KG	Aug 5, 2026

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GY-Diethyl carbonate (DEC)

Product Description

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