NextSDS Logo
Safety Data Sheet EN

tert-Butyl methyl ether

CAS 1634-04-4

Keep this SDS organized and up to date

Add this SDS to your NextSDS library and keep all its safety information in one place.

Add to my SDS library for free
01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
tert-Butyl methyl ether
Product Code
306975

Regulatory Identifiers

CAS Number
1634-04-4 Check regulations →
REACH No.
01-2119452786-27-XXXX

Identified Uses

Laboratory chemicals, Manufacture of substances

Manufacturers & Suppliers

M

Merck Life Science BV/SRL

distributor

Brusselsesteenweg 288, B-3090 OVERIJSE

+32 (0)3 899-1301

Emergency Contacts

CHEMTREC

+(32) 28 083237

Anti-poison centre

070 245245

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified danger

Hazard Classifications

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

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, 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.
P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.

Still copying SDS data manually?Free

You don't have to. NextSDS reads this SDS and adds the information to your library automatically.

Let NextSDS do it for me
03

Composition / Information on Ingredients

Chemical components, concentration ranges, and hazardous substance identification

Type substance
Chemical Name CAS Number Concentration Hazardous
tert-butyl methyl ether EC: 216-653-1 1634-04-4 100% Yes

Notes

For the full text of the H-Statements mentioned in this Section, see Section 16.

04

First Aid Measures

Emergency procedures for chemical exposure incidents

Inhalation

After inhalation: fresh air.

Skin contact

In case of skin contact: Take off immediately all contaminated clothing. Rinse skin with water/ shower.

Eye contact

After eye contact: rinse out with plenty of water. Remove contact lenses.

Ingestion

Keep airways free. Call a physician immediately.

Symptoms: caution if victim vomits. Risk of aspiration! Pulmonary failure possible after aspiration of vomit.

Immediate Medical Attention

Call a physician immediately.

05

Firefighting Measures

Extinguishing media, specific hazards, and firefighter protection

Suitable media

Carbon dioxide (CO₂) Foam Dry powder

Unsuitable media

For this substance/mixture no limitations of extinguishing agents are given.

Specific hazards

Carbon oxides. Combustible. Pay attention to flashback. Vapors are heavier than air and may spread along floors. Development of hazardous combustion gases or vapours possible in the event of fire. Forms explosive mixtures with air at ambient temperatures.

Instructions

Stay in danger area only with self-contained breathing apparatus. Prevent skin contact by keeping a safe distance or by wearing suitable protective clothing.

Firefighter Protection

Stay in danger area only with self-contained breathing apparatus. Prevent skin contact by keeping a safe distance or by wearing suitable protective clothing.

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

Emergency procedures

Do not breathe vapors, aerosols. Avoid substance contact. Ensure adequate ventilation. Keep away from heat and sources of ignition. Evacuate the danger area, observe emergency procedures, consult an expert.

Environmental

Do not let product enter drains. Risk of explosion.

Cleanup methods

Take up with liquid-absorbent material (e.g. Chemizorb®). Dispose of properly. Clean up affected area.

Materials: liquid-absorbent material (e.g. Chemizorb®)

—

Related Products

Similar products with comparable safety profiles

T

tert-Butyl methyl ether

CAS: 1634-04-4

T

tert-Butyl methyl ether

CAS: 1634-04-4

T

tert-Butyl methyl ether

CAS: 1634-04-4

T

tert-Butyl methyl ether

CAS: 1634-04-4

T

tert-Butyl methyl ether

CAS: 1634-04-4

T

tert-Butyl methyl ether

CAS: 1634-04-4

T

tert-Butyl ethyl ether

CAS: 637-92-3

T

tert-Butyl ethyl ether

CAS: 637-92-3

07

Handling and Storage

Safe handling precautions, storage conditions, and workplace requirements

Handling

For precautions see section 2.2.

Storage

Keep container tightly closed in a dry and well-ventilated place.

Hygiene

Immediately change contaminated clothing. Apply preventive skin protection. Wash hands and face after working with substance.

Fire prevention

Keep away from open flames, hot surfaces and sources of ignition. Take precautionary measures against static discharge.

08

Exposure Controls / PPE

Occupational exposure limits, engineering controls, and protective equipment

Hands

Splash contact: Material: Nitrile rubber, Minimum layer thickness: 0,4 mm, Break through time: 120 min. Material tested: Camatril (KCL 730 / Aldrich Z677442, Size M).

Eyes

Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Safety glasses.

Respiratory

Required when vapours/aerosols are generated. Recommendations on filtering respiratory protection are based on standards: DIN EN 143, DIN 14387. Recommended Filter type: Filter type AX.

Skin/Body

Flame retardant antistatic protective clothing.

Environmental

Do not let product enter drains. Risk of explosion.

09

Physical and Chemical Properties

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

Language Code
---
Physical State
liquid
Physical State Data
liquid
State Under Standard Conditions
---
Appearance
---
Colour
colorless
Colour Intensity
---
Form
---
Odor
characteristic
Odor Threshold
---
Ph
No data available
Melting Point
-108,6 C at 1.013 hPa
Boiling Point
55 - 56 C - lit.
Flash Point
-28 C - closed cup
Freezing Point
-108,6 C at 1.013 hPa
Softening Point
---
Solidification Point
---
Cloud Point
---
Crystallisation Point
---
Relative Evaporation Rate
---
Evaporation Rate
---
Vapor Pressure
330 hPa at 25 C - OECD Test Guideline 104
Vapor Density
---
Relative Density
0,74 at 20 C
Bulk Density
---
Density
0,74 g/cm3 at 25 C - lit.
Flammability
No data available
Upper Explosive Limit
8,5 %(V)
Lower Explosive Limit
1,6 %(V)
Explosive Limits
---
Auto Ignition Temperature
460 C at 1013,0 hPa - DIN 51794
Decomposition Temperature
Distillable in an undecomposed state at normal pressure.
Solubility
---
Partition Coefficient
log Pow: 1,06 at 20 C - OECD Test Guideline 107 Bioaccumulation is not expected.
Solubility In Water
42 g/l at 20 C - OECD Test Guideline 105
Solubility In Fat
---
Molecular Weight
---
Voc Content
---
Metal Corrosion
---
Dynamic Viscosity
0,36 mPa.s at 20 C
Kinematic Viscosity
0,409 mm2/s at 40 C - OECD Test Guideline 1140,464 mm2/s at 20 C - OECD Test Guideline 114
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

12.1 Toxicity

Toxicity to fish: semi-static test LC50 - Menidia beryllina - 574 mg/l - 96 h (OECD Test Guideline 203); Toxicity to daphnia and other aquatic invertebrates: flow-through test EC50 - Americamysis bahia (Mysid) - 187 mg/l - 96 h (US-EPA OPPTS 850.1035); Toxicity to algae: static test IC50 - Pseudokirchneriella subcapitata (green algae) - 491 mg/l - 96 h; Toxicity to bacteria: static test EC10 - Pseudomonas putida - 710 mg/l - 18 h (ECHA); Toxicity to fish (Chronic toxicity): flow-through test NOEC - Pimephales promelas (fathead minnow) - 299 mg/l - 31 d (ECHA); flow-through test NOEC - Pimephales promelas (fathead minnow) - 450 mg/l - 31 d (ECHA); Toxicity to daphnia and other aquatic invertebrates (Chronic toxicity): flow-through test NOEC - Daphnia magna (Water flea) - 51 mg/l - 21 d

12.2 Persistence and degradability

12.3 Bioaccumulative potential

12.4 Mobility in soil

12.5 Results of PBT and vPvB assessment

12.6 Endocrine disrupting properties

12.7 Other adverse effects

12.2 Persistence and degradability

Biodegradability aerobic - Exposure time 28 d Result: 0% - Not readily biodegradable. (OECD Test Guideline 301D)

12.3 Bioaccumulative potential

Bioaccumulation Cyprinus carpio (Carp) - 28 d at 25 °C(tert-butyl methyl ether) Bioconcentration factor (BCF): 1,5

12.4 Mobility in soil

No data available

12.5 Results of PBT and vPvB assessment

This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.

The substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.

12.6 Endocrine disrupting properties

Product: Assessment : The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.

The substance/mixture does not contain components considered to have endocrine disrupting properties at levels of 0.1% or higher.

12.7 Other adverse effects

No data available
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
2398
Shipping Name
METHYL tert-BUTYL ETHER
Transport Class
3
Packing Group
II
15

Regulatory Information

Chemical regulations, safety assessments, and compliance status

This material safety data sheet complies with the requirements of Regulation (EC) No. 1907/2006.

Chemical Safety Assessment Not performed
?

Frequently Asked Questions

Common questions about safety, handling, and properties

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 with colorless color. It has characteristic odor.

What is tert-Butyl methyl ether used for?

Laboratory chemicals, Manufacture of substances

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 -108,6 C at 1.013 hPa and the boiling point is 55 - 56 C - lit..