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Dimethyl carbonate616-38-6C3H6O3

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$33-34/MT FOB

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CAS No.:

616-38-6

Grade:

Industrial Grade

Content:

99.5%

Port:

上海

Brand:

OORENT

Packaging:

Vial/Bottle/Bag/Carton

Price valid (until):

2026-07-17

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Qingdao Orient Chemical Co.,LTD

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Trader

Location:

China

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pharmaceutical intermediates,peptides,electronic chemicals

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Description

Product Detail

Dimethyl carbonate Basic information

Outline Reference quality standards The application of dimethyl carbonate Chemical Properties Uses Production method Category Toxicity grading Acute toxicity Flammability and hazard characteristics Storage characteristics Extinguishing agent

Product Name:	Dimethyl carbonate
Synonyms:	methylcarbonate((meo)2co);DIMETHYL CARBONATE;CARBONIC ACID DIMETHYL ESTER;METHYL CARBONATE;dimetyl carbonate;DIMETHYL CARBONATE, 99+%, ANHYDROUS;DIMETHYL CARBONATE, REAGENTPLUS, 99%;DimethylCarbonateForSynthesis
CAS:	616-38-6
MF:	C3H6O3
MW:	90.08
EINECS:	210-478-4
Product Categories:	Sure/Seal? Bottles;Carbonates;Carbonyl Compounds;Organic Building Blocks;Lithium-Ion Batteries;Alternative Energy;Organics;Anhydrous Solvents;Materials Science;Solvent Bottles;Solvent by Application;Solvent Packaging Options;Sure/Seal Bottles;Organic Solvents;Pharmaceutical Intermediates;Alternative Energy;Electrolytes;Materials Science;Anhydrous Grade SolventsSolvents;Solvent Bottles;Solvents;616-38-6;K00001;TOP2;T0001;YP00036
Mol File:	616-38-6.mol

Dimethyl carbonate Chemical Properties

Melting point	2-4 °C (lit.)
Boiling point	90 °C (lit.)
density	1.069 g/mL at 25 °C (lit.)
vapor density	3.1 (vs air)
vapor pressure	18 mm Hg ( 21.1 °C)
refractive index	n20/D 1.368(lit.)
Fp	65 °F
storage temp.	Store below +30°C.
solubility	139g/l
form	Liquid
color	<50(APHA)
Odor	Pleasant
explosive limit	4.22-12.87%(V)
Water Solubility	139 g/L
Sensitive	Moisture Sensitive
Merck	14,3241
BRN	635821
Henry's Law Constant	1.6×10^-1 mol/(m³Pa) at 25℃, Burkholder et al. (2019)
Dielectric constant	3.1699999999999999
Stability:	Stable. Highly flammable. Incompatible with strong oxidizing agents, potassium t-butoxide.
Cosmetics Ingredients Functions	SOLVENT PROPELLANT FRAGRANCE
Cosmetic Ingredient Review (CIR)	Dimethyl carbonate (616-38-6)
InChI	1S/C3H6O3/c1-5-3(4)6-2/h1-2H3
InChIKey	IEJIGPNLZYLLBP-UHFFFAOYSA-N
SMILES	O=C(OC)OC
LogP	0.23-0.354 at 20-25℃
Surface tension	28.08mN/m at 298.15K
CAS DataBase Reference	616-38-6(CAS DataBase Reference)
NIST Chemistry Reference	Carbonic acid, dimethyl ester(616-38-6)
EPA Substance Registry System	Carbonic acid, dimethyl ester (616-38-6)

Safety Information

Hazard Codes	F
Risk Statements	11
Safety Statements	9-16-2017/9/16
RIDADR	UN 1161
WGK Germany	1
RTECS	FG0450000
Autoignition Temperature	458 °C
TSCA	TSCA listed
HS Code	2920 90 10
HazardClass	3
PackingGroup	II
Storage Class	3 - Flammable liquids
Hazard Classifications	Flam. Liq. 2
Hazardous Substances Data	616-38-6(Hazardous Substances Data)
Toxicity	LD50 in rats (g/kg): 13.8 orally; 2.5 dermally; LC50 (4 hr) in rats (mg/l): 140 by inhalation (Ono)

MSDS Information

Provider	Language
ACROS	English
SigmaAldrich	English
ALFA	English

Dimethyl carbonate Usage And Synthesis

Outline	Dimethyl carbonate is briefly referred to as DMC. At room temperature, it is a colorless and transparent liquid with a pungent odor with a relative density (D204) of 1.0694, a melting point of 4 °C, boiling point of 90.3 °C, the flash point being 21.7 °C (opening) and being 16.7 °C (closed ) and the refractive index (nd20) being 1.3687. It is flammable and non-toxic and is miserable with almost all organic solvents in any proportion with alcohols, ketones and esters. It is slightly soluble in water. It can be used as the methylating agent. Compared with other methylating reagent such as methyl iodide and dimethyl sulfate, dimethyl carbonate is less toxic, and biodegradable. The past method of making dimethyl carbonate with phosgene as raw materials is not frequently used. Instead, people now adopt the catalytic oxidative carbonylation of methanol in the presence of oxygen which is more environmentally friendly than the previous method. Dimethyl carbonate can enable to methylation of aniline, phenol and carboxylic acid. However, many reaction demands high-pressure. DBU can be added during reflux of DMC for catalyzing the methylation of carboxylic acid with dimethyl carbonate.
Reference quality standards	Index name battery grade excellent grade first grade qualified experimental methods Appearance, colorless and transparent liquid Dimethyl carbonate content% ≥99.9 ≥99.5 ≥99.0 ≥98.5 Gas Chromatography Water, Water Content% ≤30ppm ≤0.10 ≤0.10 ≤0.10 GB606 Alkalinity mmol/10Og-≤0.10 ≤0.12 ≤0.12 Q/GNPC-JX 017 Non-volatile matter, %-≤0.02 ≤0.02 ≤0.02 GB6324.2 Peroxide (By H2O2) ≤5ppm---GB6016-85 Density (20 ℃), Density g/cm3 1.071 ± 0.005
The application of dimethyl carbonate	1, a novel type of low toxicity solvents and can substitute solvent such as toluene, xylene, ethyl acetate, butyl acetate, acetone or butanone in paints and adhesive industry, and is environmentally friendly green chemical products. 2, it is excellent methylating agent, carbonylation agent, hydroxymethylation agent and methoxylation agent and is a kind of chemical raw material of wide application. 3, it can be used as ideal substitute of highly toxic product such as phosgene, dimethyl sulfate, and methyl chloroformate. 4, it can be used for synthesizing polycarbonate, diphenyl carbonate, and isocyanate and so on. 5, in the field of medicine, it can be for the synthesis of anti-infective drugs, anti-inflammatory medicines, vitamin-class medicines and central nervous system drugs. 6, in the field of pesticides, it can be mainly used for the production of methyl isocyanate, thereby producing some carbamate drugs, pesticides (anisole). 7, it can be used as gasoline additives and lithium battery electrolyte and so on. The above information is edited by the chemicalbook of Dai Xiongfeng.
Chemical Properties	It is colorless liquid with a pungent odor. It is insoluble in water and soluble in alcohol, ether and other organic solvents.
Uses	Dimethyl carbonate product can be used as traditional substitute of toxic materials phosgene, dimethyl sulfate and methyl chloride and so on. It can be used for synthesis of polycarbonate, diphenyl carbonate, isocyanate and allyl diglycol carbonate ester; it can also used for the synthesis of various kinds of carbamate pesticides such as carbaryl and so on; it can also be used as intermediate of organic synthesis such as anisole, dimethoxybenzene, alkylated aryl amines, symmetrical diamine urea, methyl carbazate and so on; in the pharmaceutical industry, it can be used for making amino oxazolidinone, ciprofloxacin, β-keto acid ester class pharmaceutical intermediates. In addition, it can be used as additives of gasoline, diesel fuel, the refrigerator oil and solvent.
Production method	It can be produced through the reaction between methyl chloroformate ([79-22-1]) and methanol. The raw material, methyl chloroformate is produced from the reaction between methanol and phosgene. For the preparation, it is also plausible to have this phosgenation product been without isolation and add excess methanol for reflux reaction to synthesize dimethyl carbonate. The above reaction is called conventional phosgene method. 2 Transesterification methods: this is based on the transesterification between ethylene carbonate or propylene carbonate and methanol which can also produce dimethyl carbonate. This method has a high yield, small equipment corrosion and mild reaction conditions. However, the source of raw materials is limited by the development of petrochemical industry and the elements utilization rate is low. 3. Oxidative carbonylation method: this is based on the reaction of methanol, carbon monoxide and oxygen in the catalyst for direct synthesis of dimethyl carbonate. This method has a lot of advantages including easily available and cheap raw material, low toxicity and simple process. Therefore, it is the most promising approach. According to the technology conditions, it can be divided into liquid phase method and gas phase method. Gas phase can be further divided into one-step and two-step method, wherein the liquid phase of methanol oxidation-carbonylation method and the gas-phase oxidative carbonylation step method has been industrialized while the one-step way of gas-phase oxidative-carbonylation of methanol is still in development. 4. The synthesis reaction between methanol and CO2. This process route is still in development. 5. Synthesis method via reaction between methanol and urea. This process route is still in development.
Category	Flammable liquid
Toxicity grading	Low toxicity
Acute toxicity	Oral-rat LD50: 13000 mg/kg; Oral-Mouse LD50: 6000 mg/kg.
Flammability and hazard characteristics	It is flammable in case of fire, high temperature and oxidant with burning causing irritated fume.
Storage characteristics	Treasury: ventilation, low-temperature and dry; store it separately from oxidants.
Extinguishing agent	Dry powder dry sand, carbon dioxide, foam, 1211 fire extinguishing agent.
Chemical Properties	Dimethyl carbonate is miscible with most acids and alkalis, soluble in most organic solvents, but insoluble in water.
Uses	Dimethyl carbonate is used as a solvent in organic synthesis and considered as a replacement for solvent like methyl ethyl ketone, tert-butyl acetate and parachlorobenzotrifluoride. It is involved as an intermediate in the preparation of diphenylcarbonate, which in turn is used as a key raw material for the synthesis of Bisphenol-A-polycarbonate. It is also used as a 'green' methylating agent involved in the methylation of aniline, phenols and carboxylic acids. It can be used as a fuel additive due to its high oxygen content. It also finds applications related to supercapacitors and lithium batteries.
Uses	Environmentally benign substitute for dimethyl sulfate, q.v., and methyl halides in methylation reactions and for phosgene, q.v., in methylcarbonylation reactions.
Definition	ChEBI: Dimethyl carbonate is a carbonate ester that is carbonic acid in which both hydrogens are replaced by methyl groups. A flammable, colourless liquid (m.p. 2-4°C, b.p. 90°C) with a characterstic ester-like odour, it is used as a 'green' methylating agent and as a solvent. It has a role as a solvent and a reagent.
Preparation	Dimethyl carbonate (DMC) is formed by the reaction of MeOH with phosgene or methyl chloroformate in the presence of a concentrated sodium hydroxide solution in a two-phase reaction in high yields and purity. Other alcohols can also be phosgenated. As DMC is now more easily accessible via the direct oxidative carbonylation of MeOH, phosgenation is losing its attractiveness in this application.
Synthesis Reference(s)	The Journal of Organic Chemistry, 49, p. 1122, 1984 DOI: 10.1021/jo00180a033 Tetrahedron Letters, 15, p. 803, 1974
General Description	Dimethyl carbonate appears as a clear, colorless liquid with a pleasant odor. Denser than water and slightly soluble in water. Vapors are heavier than air. Used to make other chemicals and as a special purpose solvent.
Air & Water Reactions	Highly flammable. Slightly soluble in water.
Reactivity Profile	Dimethyl carbonate reacts with acids to liberate heat along with methanol 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.
Hazard	Flammable, dangerous fire risk. Toxic by inhalation, strong irritant.
Health Hazard	May cause toxic effects if inhaled or absorbed through skin. Inhalation or contact with material may irritate or burn skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.
Fire Hazard	HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.
Flammability and Explosibility	Highly flammable
Safety Profile	Moderately toxic by intraperitoneal route. Mildly toxic by ingestion. An irritant. Violent reaction or ignition on contact with potassium-tertbutoxide. A very dangerous fire hazard when exposed to heat, open flames (sparks), or oxiduers. To fight fire, use alcohol foam. When heated to decomposition it emits acrid smoke and irritating fumes.
Purification Methods	If the reagent has broad intense bands at 3300cm-1 and above (i.e. OH stretching), then it should be purified further. Wash it successively with 10% Na2CO3 solution, saturated CaCl2, H2O, and dry it by shaking mechanically for 1hour with anhydrous CaCl2, and fractionate. [Bowden & Butler J Chem Soc 78 1939, Vogel J Chem Soc 1847 1948, Beilstein 3 IV 3.]
Toxics Screening Level	The initial threshold screening level (ITSL) for dimethyl carbonate is 300 μg/m3 based on an annual averaging time.

Dimethyl carbonate Preparation Products And Raw materials

Raw materials

Methanol-->Propylene oxide-->PHOSGENE-->CARBON MONOXIDE-->Methyl chloroformate-->Propylene carbonate-->Ethylene carbonate

Preparation Products

Diethyl carbonate-->7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxoquinoline-3-carboxylic acid-->DIMETHYL METHOXYMALONATE-->1-Methylimidazole-->Ciprofloxacin-->N-Methyl-3-carbomethoxy-4-piperidone hydrochloride-->(S)-(-)-1,2,3,4-Tetrahedro-naphthoic acid-->2-PHENYLMALONAMIDE-->4-DIMETHOXYMETHYL-6-HYDROXYPYRIMIDINE-2-THIOL-->1H-Azepine-3-carboxylicacid,hexahydro-,methylester(9CI)-->1,5-Diphenylcarbazide-->Asulam-->4-Bromo-1,3,5-trimethyl-1H-pyrazole-->(1,3,5-TRIMETHYL-1H-PYRAZOL-4-YL)METHYLAMINE-->1,3,5-Trimethylpyrazole-->1,3,5-Trimethyl-1H-pyrazole-4-carboxylic acid-->1,3,5-Trimethyl-1H-pyrazole-4-carboxaldehyde-->1H-Pyrazole-4-carbonyl chloride, 1,3,5-trimethyl- (9CI)-->3-Methylanisole-->Ethyl methyl carbonate

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Basic Info

Product Name:

Dimethyl carbonate

Other Name:

Carbonic acid,dimethyl ester;Dimethyl carbonate;Methyl carbonate ((MeO)2CO);Methyl carbonate;NSC 9371;AK 100;AK 100 (carbonate)

CAS No.:

616-38-6

UN No.:

1161

Molecular Formula:

C3H6O3

InChIKeys:

InChIKey=IEJIGPNLZYLLBP-UHFFFAOYSA-N

Molecular Weight:

90.0779

Exact Mass:

90.0317

EC Number:

210-478-4

UNII:

KE9J097SPN

ICSC Number:

1080

NSC Number:

9371

UN Number:

1161

DSSTox ID:

DTXSID9029192

Color/Form:

Colorless liquid

HScode:

2920909090

Categories:

Paint Solvent

Characteristics

PSA:

35.53

XLogP3:

0.3992

Appearance:

colourless liquid

Density:

1.069

Melting Point:

41674ºC

Boiling Point:

90ºC

Flash Point:

18ºC

Refractive Index:

1.3672-1.3692

Water Solubility:

In water, 1.38X10+5 mg/L at 25 °C (est)|Miscible with alcohol and ether|Miscible with acids and alkalies; stable in the presence of water; soluble in most organic solvents|Soluble in oxygenated solvents|Solubility in water: none

Storage Conditions:

Flammables area

Vapor Pressure:

55.40 mmHg|55.364 mm Hg at 25 °C|Vapor pressure, kPa at 25 °C: 7.4

Vapor Density:

Relative vapor density (air = 1): 3.1

Odor:

Pleasant odor

OH:

3.10e-13 cm3/molecule*sec

Henrys Law Constant:

Henry's Law constant = 6.2X10-4 atm-cu m/mol at 25 °C (est)

Experimental Properties:

MP also listed as 4 °C|BP also stated as 89.7 °C|Hydroxyl radical reaction rate constant = 0.4352X10-12 cu cm/molecule-sec at 25 °C (est)

Air and Water Reactions:

Highly flammable. Slightly soluble in water.

Reactive Group:

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

Reactivity Alerts:

Highly Flammable

Reactivity Profile:

DIMETHYL CARBONATE reacts with acids to liberate heat along with methanol 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:

458 °C

Physical Dangers:

The vapour is heavier than air and may travel along the ground; distant ignition possible. The vapour mixes well with air, explosive mixtures are easily formed.

Heat of Vaporization:

3.8363X10+7 J/Kmol at 273.15 K

Critical Temperature & Pressure:

Critical temperature: 548.00 K; Critical pressure: 4.5X10+6 Pa

See More Dimethyl carbonate Properties 

Hazard Identification

Classification of the substance or mixture

Flammable liquids, Category 2

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H225 Highly 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 oxidizing agents. Closed system, ventilation, explosion-proof electrical equipment and lighting. Do NOT use compressed air for filling, discharging, or handling. Use non-sparking handtools. 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. Well closed. Store in an area without drain or sewer access.Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Air sensitive.

See More Dimethyl carbonate Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
pharmaceutical intermediates,peptides,electronic chemicals

Location:
Room 102, 1st Floor, East Office Building, No. 45 Pengwan Road, Qianwan Bonded Port Area, Qingdao Zone, China (Shandong) Pilot Free Trade Zone

Payment Terms:
100% TT in advance

Average lead Time:
10

Total Annual Revenue:
$10 million-$25 million

Total Employees:
51-100

Year of Establishment:
2024

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We are mainly specilized in supply of pharmaceutical intermediates, electronic chemicals，food additives, and other fine chemical products.
Integrity is the foundation, quality is life. We would like to work together with you to build a greener and brighter future.

Website: orientchem.cc
Email: scarlett@orientchem.cc
WhatsApp: +86 17753254221

Inquiry History

29 Inquiries

Country	Product	Purchase Quantity	Date Posted
Kenya	Dimethyl carbonate	1 20' Fcl	Feb 9, 2026
France	Dimethyl carbonate	1 MT	Feb 2, 2026
Germany	Dimethyl Carbonate	300 TON	Jun 17, 2024
United Kingdom	Natural Dimethyl carbonate (Fermentation)	400 KG	Jul 11, 2024
India	Dimethyl carbonate	10.00 MT	Dec 12, 2023
Thailand	Dimethyl carbonate	1 KG	Jun 18, 2025
Singapore	Wholesale Price Dimethyl Carbonate / DMC For Coatings	1 MT	Feb 7, 2025
South Korea	DMC	1 20' Fcl	Aug 20, 2024
Russia	Dimethyl carbonate	1301.137 TON	Jul 16, 2024
Vietnam	DMC/Dimethyl carbonate,Dimethyl carbonate from China. Are you manufacturer?	200.00 KG	Jul 23, 2023
Russia	Dimethylcarbonate	1 20' Fcl	Jul 13, 2023
Belgium	Dimethyl carbonate	20 TON	Jul 22, 2025
India	dimethyl carbonate	1 MT	Jul 10, 2025
Colombia	Dimethyl Carbonate	4000 KG	Oct 16, 2024
Germany	Dimethyl carbonate	300 TON	Jul 31, 2024
United Kingdom	Dimethyl carbonate BHT	1000 MT	Jul 4, 2024
Thailand	Dimethyl Carbonate	1 20' Fcl	Mar 12, 2024
India	Dimethyl carbonate	100 KG	Dec 29, 2023
Turkey	DMC/Dimethyl carbonate	3.00 20' Fcl	Jul 22, 2023
United States	Dimethyl Carbonate	20 TON	Jul 3, 2023

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Dimethyl carbonate616-38-6C3H6O3

Product Description

Seller Information

Inquiry History

Classification of the substance or mixture

GHS label elements, including precautionary statements

Other hazards which do not result in classification

Precautions for safe handling

Conditions for safe storage, including any incompatibilities

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