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GY-Methyl tert-butyl ether (MTBE)

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CAS No.:

1634-04-4

Grade:

Industrial Grade

Content:

99%

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 Details
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Inquiry History

Description

Product Detail

Chemical Name： Methyl tert-butyl ether (MTBE)

Synonyms ： MTBE

Methyl tert-butyl ether; tert-Butyl methyl ether; 2-Methoxy-2-methylpropane; MTBE

CAS N o： 1634-04-4

Priary Use ： Primary gasoline antiknock blendstock: markedly raises octane (RON ≈118, MON ≈100), improves cold start and combustion efficiency and lowers CO emissions; the mainstream additive for unleaded gasoline upgrading.Isobutylene feedstock: high-temperature cracking regenerates high-purity isobutylene for butyl rubber, polyisobutylene, MMA, etc.Solvent & intermediate: solvent for paraffin, fragrances, resins, rubbers, plastics, fats; pharma/fine-chemical extraction and intermediates; chromatography (HPLC) solvent.

Items	Specifications
Molecular formula	C5H12O
Molecular weight	88.15 g/mol
Appearance	Clear colorless volatile liquid
Odor	Ether-like odor
Melting point	-109 °C（ -108 ~ -110 °C lit. -108 ~ -110 °C）
Boiling point	55.2 °C
Density (20 °C)	0.7405 g/cm³
Vapor density (air=1)	≈3.0
Vapor pressure	245 mmHg（32.7 kPa）@ 25 °C（ATSDR/NCBI）；20 °C 210 – 280 hPa 20 °C ≈210–280 hPa, varies by source）
Flash point (closed cup)	-28 °C（ CC； -10 ~ -28 °C，MTBE lit. -10 ~ -28 °C; extremely low-FP, highly flammable）
Auto-ignition temp.	~374 °C（705 °F）； literature 193–480 °C; use latest destination data）
Explosive limits (air, v/v)	1.6 – 15.1 % lower lit. ≈1.5 %）
Refractive index (n20/D)	1.369（ lit. 1.368 – 1.370）
log Pow	·1.0（ lit. 0.94 – 1.24）
Solubility	Slightly soluble in water (ca. 4.3 g/100 g @ 20 °C); miscible with ethanol, ether and most organic solvents
Viscosity (20 °C)	~0.36 mPa·s

ECHEMI Editorial Reference

A colorless liquid with a distinctive anesthetic-like odor.

Certificates

Basic Info

Product Name:

tert-Butyl methyl ether

Other Name:

Propane,2-methoxy-2-methyl-;Ether,tert-butyl methyl;2-Methoxy-2-methylpropane;Methyl tert-butyl ether;2-Methyl-2-methoxypropane;tert-Butyl methyl ether;Methyl 1,1-dimethylethyl ether;tert-Butoxymethane;MTBE;1,1-Dimethylethyl methyl ether;t-Butyl methyl ether;Methyl tertiary butyl ether;Driveron

CAS No.:

1634-04-4

Molecular Formula:

C5H12O

InChIKeys:

InChIKey=BZLVMXJERCGZMT-UHFFFAOYSA-N

Molecular Weight:

88.14820

Exact Mass:

88.15

EC Number:

216-653-1

HScode:

2909199090

Categories:

Ethers and Derivatives

Characteristics

PSA:

9.23000

XLogP3:

1.43130

Appearance:

Methyl tert-butyl ether appears as a colorless liquid with a distinctive anesthetic-like odor. Vapors are heavier than air and narcotic. Boiling point 131°F. Flash point 18°F. Less dense than water and miscible in water. Used as a octane booster in gasoline.

Density:

0.7405 g/cm³ @ Temp: 20 °C

Melting Point:

-108.6 °C

Boiling Point:

55.2 °C

Flash Point:

-28ºC

Refractive Index:

1.3675-1.3695

Water Solubility:

Solubility in water, g/100ml at 20°C: 4.2

Storage Conditions:

-20ºC

Vapor Pressure:

4.05 psi ( 20 °C)

Vapor Density:

3.1 (vs air)

Explosive limit:

vol% in air: 1.65.1

Odor:

Terpene-like odor

See More tert-Butyl methyl ether Properties 

Hazard Identification

Classification of the substance or mixture

Flammable liquids, Category 2

Skin irritation, 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 H315 Causes skin irritation
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/... P264 Wash ... thoroughly after handling.
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. P302+P352 IF ON SKIN: Wash with plenty of water/... P321 Specific treatment (see ... on this label). P332+P317 If skin irritation occurs: Get medical help. P362+P364 Take off contaminated clothing and wash it before reuse.
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. 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 and strong acids.

See More tert-Butyl methyl ether 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

25 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	Methyl tertiary butyl ether	25 TON	Apr 1, 2024
Russia	Methyl Tert-Butyl Ether (MTBE)	10 MT	Apr 8, 2026
Russia	Methyl Tert-butyl ether	200 MT	Nov 28, 2025
Russia	Methyl Tert Butyl Ether	200 MT	Sep 24, 2026
United Kingdom	tert-Butyl methyl ether	700 KG	Sep 23, 2026
Russia	Methyl Tert Butyl Ether	1000 MT	Aug 26, 2026
India	Methyl Tert Butyl Ether	24 MT	Jul 31, 2025
Romania	Methyl t-butyl ether	3600 KG	May 15, 2025
India	tert-Butyl methyl ether	1000.00 KG	Oct 15, 2024
Turkey	MTBE	5000 MT	Apr 11, 2024
India	Methyl tert butyl methyl ether	20.00 MT	Mar 29, 2024
Oman	tert-Butyl methyl ether	20000	Oct 6, 2026
India	Methyl Tert Butyl Ether	25 MT	Aug 13, 2026
Romania	MTBE (Methyl tert-butyl ether)	1200 KG	Sep 29, 2025
Russia	tert-Butyl methyl ether	160 KG	Nov 28, 2024
Russia	MTBE tert-Butyl	1200 MT	Sep 20, 2024
Yemen	Methyl tert-butyl ether	1000 KG	Nov 16, 2023
Russia	MTBE	2000 MT	Oct 19, 2026
Romania	mehyl tertbuthyl ether	780 KG	Jun 30, 2026
China	MTBE	5000 MT	Dec 9, 2025

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GY-Methyl tert-butyl ether (MTBE)

Product Details

Seller Information