ETUI – European Trade Union Institute Fundación 1º de Mayo
ISTAS – Institut Sindical de Treball, Ambient i Salut

RISCTOX Database

Search and consult detailed information about specific chemical substances.

Search other substances

Identification

Name:
tert-butyl methyl ether
Synonyms:
  • MTBE
  • 2-METOXI-2-METILPROPANO
  • ETER METIL-ter-BUTILICO
  • METILTERBUTIL ETER
  • METIL tert-BUTIL ETER
  • METIL t-BUTIL ETER
  • METIL terc-BUTIL ETER
CAS:
1634-04-4
EC/EINECS:
216-653-1
Molecular Formula:
C5H12O
International Chemical Safety Card (ICSC):
1164
Uses:
solvent

CLASSIFICATION AND LABELLING (Regulation 1272/2008)

Symbols

  • GHS02

    Flammable gases

  • GHS07

    Acute toxicity (oral, dermal, inhalation

Signal word

Danger

H Phrases

  • H225 : Highly flammable liquid and vapour

    Flam. Liq. (Cat. 2) : Flammable liquid

  • H315 : Causes skin irritation

    Skin Irrit. (Cat. 2) : Skin corrosion/irritation

Specific health risks

Carcinogens (other sources) ?

Substances classified as carcinogens or mutagens Category 3 under the Dangerous Preparations Directive criteria (pre-CLP). Substances with limited evidence or indications of carcinogenicity or mutagenicity.

Category
G-A3
Source
ACGIH
List
Endocrine disruptors ?

Substances with endocrine disrupting activity

Disruptor level
UE1
List
Neurotoxic substances ?

Substances with neurotoxic effects

Neurotoxic effect
INESPECÍFICO
Level
1
Source
21
List
According to IARC ?

Substances classified as carcinogens or mutagens Category 2 under the CLP Regulation (GHS), bearing H351 and/or H341 phrases. These are substances suspected of causing cancer or heritable genetic mutations in humans.

IARC Group
Grupo 3
IARC Volume
(VOL. 73; 1999)
IARC Notes
—
List
Occupational Exposure Limits (OEL) ?

Daily exposure limit values (VLA-ED) published by the Spanish National Institute of Safety and Health at Work (INSST). They represent the average concentration of a chemical agent in the worker's breathing zone, measured or calculated in a time-weighted manner for an 8-hour daily working period. (https://www.insst.es/valores-limites-de-exposicion)

OEL Data
—
List

Specific environmental risks

Hazardous water substances (Germany) ?

Substances classified with chronic aquatic toxicity under the CLP Regulation (H410–H413 phrases, Aquatic Chronic categories 1 to 4). They pose a long-term hazard to aquatic organisms, even at low concentrations and through prolonged exposure.

MMA Classification
1
List
Volatile organic compounds ?

Volatile Organic Compounds (VOCs) regulated by Directive 1999/13/EC on the limitation of VOC emissions from certain activities, and by Royal Decrees 117/2003 and 227/2006. Substances contributing to tropospheric ozone formation that are subject to emission limits in industrial activities.

List

Environmental regulations

LPCIC (EPER)

Priority substances and specific pollutants within the EU water policy framework, established by the Water Framework Directive (2000/60/EC) and the Priority Substances Directive (2008/105/EC and amendments). Substances posing significant risk to European surface waters and subject to Environmental Quality Standards (EQS).

EPER Water
EPER Air
1
EPER Soil
List
EPER Air ?

Substances from List 2 of Annex III of the IPPC Directive (integrated into the Industrial Emissions Directive 2010/75/EU). Pollutants that may affect surface and groundwater bodies and must be considered in the integrated environmental authorisation of industrial installations.

List

Restriction/prohibition regulations

Substances under CoRAP evaluation ?

Substances included in the Community Rolling Action Plan (CoRAP) of the REACH Regulation. These are substances selected for evaluation by EU Member States due to indications of risk to human health or the environment, with the aim of clarifying whether regulatory action is warranted.

Year
2014
Member State
France
Initial grounds for concern
Human health/Potential endocrine disruptor; Exposure/Wide dispersive use, aggregated tonnage
List
Major accident hazards (Seveso) ?

Hazardous substances listed in Annex I of the Seveso III Directive (Directive 2012/18/EU), transposed in Spain by Royal Decree 840/2015. Their presence in industrial establishments in quantities equal to or above established thresholds triggers obligations to implement major accident risk control measures.

List
Substances under PACT evaluation ?

Substances under active regulatory monitoring through ECHA's PACT (Public Activities Coordination Tool). Allows tracking which regulatory authorities are examining a substance and what potential regulatory actions are being considered (restriction, SVHC identification, harmonised classification, etc.).

Member State
France
Activity
Hazard assessment
Last update
2015-04-01T00:00:00
Scope
ED
List