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Safety Data Sheet EN

tert-Butyl methyl ether

CAS 1634-04-4
EC 216-653-1

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
tert-Butyl methyl ether
Product Code
40477
Chemical Name
MTBE (methyl tert-butyl ether)
Synonyms
tert-butylmethylether

Regulatory Identifiers

CAS Number
1634-04-4 Check regulations →
EC Number
216-653-1 Check regulations →
REACH No.
01-2119452786-27-0001

Identified Uses

SU24 Scientific research and development

Uses advised against

No further relevant information available.

Manufacturers & Suppliers

Alfa Aesar Thermo Fisher Scientific Chemicals, Inc. logo

Alfa Aesar Thermo Fisher Scientific Chemicals, Inc.

manufacturer

30 Bond Street, Ward Hill, MA 01835-8099

800-343-0660

http://www.alfa.com

Emergency Contacts

Emergency Contact

800-343-0660

During normal business hours (Monday-Friday, 8am-7pm EST)

Carechem 24

866-928-0789

After normal business hours

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified danger

Hazard Classifications

Flam. Liq. Cat. 2 H225
Skin Irrit. Cat. 2 H315

GHS Pictograms

GHS02 - Flammable

GHS02

GHS07 - Health hazard

GHS07

Hazard Statements

H225 Highly flammable liquid and vapor.
H315 Causes skin irritation.

Precautionary Statements

P210 Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P240 Ground/bond container and receiving equipment.
P241 Use explosion-proof electrical/ventilating/lighting/equipment.
P280 Wear protective gloves / eye protection / face protection.
P303+P361+P353 If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
P501 Dispose of contents/container in accordance with local/regional/national/international regulations.

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03

Composition / Information on Ingredients

Chemical components, concentration ranges, and hazardous substance identification

Type substance

Chemical characterization: Substances

Chemical Name CAS Number Concentration Hazardous
MTBE (methyl tert-butyl ether) EC: 216-653-1 1634-04-4 100% No
04

First Aid Measures

Emergency procedures for chemical exposure incidents

Inhalation

Supply fresh air. If required, provide artificial respiration. Keep patient warm.

Skin contact

Immediately wash with water and soap and rinse thoroughly.

Symptoms: Causes skin irritation.

Eye contact

Rinse opened eye for several minutes under running water. Then consult a doctor.

Ingestion

Seek medical treatment.

05

Firefighting Measures

Extinguishing media, specific hazards, and firefighter protection

The data for this section has not been processed yet.

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

The data for this section has not been processed yet.

Related Products

Similar products with comparable safety profiles

07

Handling and Storage

Safe handling precautions, storage conditions, and workplace requirements

The data for this section has not been processed yet.

08

Exposure Controls / PPE

Occupational exposure limits, engineering controls, and protective equipment

Engineering

Properly operating chemical fume hood designed for hazardous chemicals and having an average face velocity of at least 100 feet per minute.

Hands

Impervious gloves. Check protective gloves prior to each use for their proper condition. The selection of suitable gloves not only depends on the material, but also on quality. Quality will vary from manufacturer to manufacturer. Material of gloves Nitrile rubber, NBR. Penetration time of glove material (in minutes) Not determined.

Eyes

Safety glasses with side shields / NIOSH (US) or EN 166(EU)

Respiratory

Use suitable respirator when high concentrations are present. Use suitable respiratory protective device in case of insufficient ventilation. Recommended filter device for short term use: Use a respirator with multi-purpose combination (US) or type AXBEK (EN 14387) as a backup to engineering controls. Risk assessment should be performed to determine if air-purifying respirators are appropriate. Only use equipment tested and approved under appropriate government standards such as NIOSH (USA) or CEN (EU).

Skin/Body

Protective work clothing.

09

Physical and Chemical Properties

Appearance, physical state, melting point, boiling point, and material characteristics

Physical State
Liquid
Physical State Data
liquid
State Under Standard Conditions
---
Appearance
Mild
Colour
---
Colour Intensity
---
Form
---
Odor
---
Odor Threshold
Not determined.
Ph
Not determined.
Melting Point
-109 °℃ (-164 °F)
Boiling Point
55-56 ℃ (131-133 ºF)
Flash Point
-25 °℃ (-13 ºF)
Freezing Point
---
Softening Point
---
Solidification Point
---
Cloud Point
---
Crystallisation Point
---
Relative Evaporation Rate
---
Evaporation Rate
Not determined.
Vapor Pressure
319 hPa (239 mm Hg)
Vapor Density
Not determined.
Relative Density
Not determined.
Bulk Density
---
Density
0.74 g/cm3 (6.175 lbs/gal)
Flammability
Not determined.
Upper Explosive Limit
15.1 Vol %
Lower Explosive Limit
1.6 Vol %
Explosive Limits
---
Auto Ignition Temperature
192 °C (378 °F)
Decomposition Temperature
Not determined
Solubility
---
Partition Coefficient
Not determined.
Solubility In Water
Not determined
Solubility In Fat
---
Molecular Weight
---
Voc Content
---
Metal Corrosion
---
Dynamic Viscosity
Not determined.
Kinematic Viscosity
Not determined.
Properties Status
---
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

The data for this section has not been processed yet.

12

Ecological Information

Environmental toxicity, biodegradation, and bioaccumulation data

The data for this section has not been processed yet.

13

Disposal Considerations

Waste treatment methods, disposal recommendations, and waste codes

The data for this section has not been processed yet.

14

Transport Information

UN numbers, shipping names, transport classes, and regulatory requirements

UN Number
UN2350
Shipping Name
Butyl methyl ether
Transport Class
8
Packing Group
II
ADR

Warning: Flammable liquids

IMDG

Warning: Flammable liquids

IATA

Warning: Flammable liquids

15

Regulatory Information

Chemical regulations, safety assessments, and compliance status

The data for this section has not been processed yet.

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Frequently Asked Questions

Common questions about safety, handling, and properties

What other names is tert-Butyl methyl ether known by?

tert-Butyl methyl ether is also known as: tert-butylmethylether

What is the hazard signal word for tert-Butyl methyl ether?

The signal word is danger.

What is the physical form of tert-Butyl methyl ether?

tert-Butyl methyl ether is a liquid appearing as mild .

What is tert-Butyl methyl ether used for?

SU24 Scientific research and development

What are the hazard statements for tert-Butyl methyl ether?

This substance has 2 hazard statements:

  • H225: Highly flammable liquid and vapor.
  • H315: Causes skin irritation.

What is the melting point of tert-Butyl methyl ether?

The melting point is -109 °℃ (-164 °F) and the boiling point is 55-56 ℃ (131-133 ºF).

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