General Information
Version
ALFAAB22945
Revision date
2026-07-24
Product name
tert-Butyl ethyl ether
Product Synonyms
2-Ethoxy-2-methylpropane; ETBE.; Ethyl tert-butyl ether
CAS No.
637-92-3
supplier name
Avocado Research Chemicals Ltd
Emergency telephone
001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Avocado Research Chemicals Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
begel.sdsdesk@thermofisher.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H225, H336
Hazard statements
Code
Statements
H225
Highly Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Liquid Colorless Petroleum distillates Emergency Overview Highly flammable liquid and vapor. May cause drowsiness and dizziness. Classification of the substance or mixture Flammable liquids Category 2 Specific target organ toxicity - (single exposure) Category 3 Label Elements
Signal word
Danger Hazard Statements H225 - Highly flammable liquid and vapor H336 - May cause drowsiness or dizziness
Prevention
P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking 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 P261 - Avoid breathing dust/fume/gas/mist/vapors/spray P271 - Use only outdoors or in a well-ventilated area P280 - Wear protective gloves/protective clothing/eye protection/face protection
Response
P303 + P361 + P353 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P312 - Call a POISON CENTER or doctor if you feel unwell P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish
Storage
P403 + P233 - Store in a well-ventilated place. Keep container tightly closed
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
Highly flammable. Vapors may cause flash fire or explosion.
Health hazards
May cause drowsiness or dizziness.
Environmental hazards
Contains no substances known to be hazardous to the environment or not degradable in waste water treatment plants. Will likely be mobile in the environment due to its volatility. The product contains volatile organic compounds (VOC) which will evaporate easily from all surfaces.
2.3 Other hazards
May form explosive peroxides on prolonged storage. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Flammable liquids. Category 2 Specific target organ toxicity - (single exposure)
