ICSC 1496 - 2-METHOXY-2-METHYLBUTANE

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2-METHOXY-2-METHYLBUTANE	ICSC: 1496 (April 2004)
tert-Amyl methyl ether TAME tert-Pentyl methyl ether 1,1-Dimethyl propylmethyl ether Methyl-tert-pentyl ether

CAS #: 994-05-8

UN #: 3271

EC Number: 213-611-4

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Extremely flammable. Vapour/air mixtures are explosive.	NO open flames, NO sparks and NO smoking.	Use foam, alcohol-resistant foam, dry powder, carbon dioxide. In case of fire: keep drums, etc., cool by spraying with water.


	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Dizziness. Drowsiness. Weakness.	Use ventilation, local exhaust or breathing protection.	Fresh air, rest.
Skin	Dry skin.	Protective gloves.	Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes		Wear safety spectacles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion	See Inhalation.	Do not eat, drink, or smoke during work.	Rinse mouth. Do NOT induce vomiting. Refer for medical attention .

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Personal protection: filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Ventilation. Remove all ignition sources. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations. Do NOT wash away into sewer. Do NOT let this chemical enter the environment.	According to UN GHS Criteria Transportation UN Classification UN Hazard Class: 3; UN Pack Group: II
STORAGE
Fireproof.
PACKAGING

2-METHOXY-2-METHYLBUTANE

ICSC: 1496

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS LIQUID. Physical dangers The vapour is heavier than air. Chemical dangers	Formula: C₆H₁₄O Molecular mass: 102.2 Boiling point: 86.3°C Melting point: -80°C Relative density (water = 1): 0.77 Vapour pressure, kPa at 20°C: 9 Relative vapour density (air = 1): 3.6 Relative density of the vapour/air-mixture at 20°C (air = 1): 1.2 Flash point: -11°C Auto-ignition temperature: 430°C Explosive limits, vol% in air: 1.1-7.1 Octanol/water partition coefficient as log Pow: 1.6

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS LIQUID.

Physical dangers
The vapour is heavier than air.

Chemical dangers

Formula: C₆H₁₄O
Molecular mass: 102.2
Boiling point: 86.3°C
Melting point: -80°C
Relative density (water = 1): 0.77
Vapour pressure, kPa at 20°C: 9
Relative vapour density (air = 1): 3.6
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.2
Flash point: -11°C
Auto-ignition temperature: 430°C
Explosive limits, vol% in air: 1.1-7.1
Octanol/water partition coefficient as log Pow: 1.6

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation and by ingestion. Effects of short-term exposure If this liquid is swallowed, aspiration into the lungs may result in chemical pneumonitis. Exposure at high levels could cause lowering of consciousness.	Inhalation risk No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20°C. Effects of long-term or repeated exposure The substance defats the skin, which may cause dryness or cracking.

EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation and by ingestion.

Effects of short-term exposure
If this liquid is swallowed, aspiration into the lungs may result in chemical pneumonitis. Exposure at high levels could cause lowering of consciousness.

Inhalation risk
No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20°C.

Effects of long-term or repeated exposure
The substance defats the skin, which may cause dryness or cracking.

OCCUPATIONAL EXPOSURE LIMITS
TLV: 20 ppm as TWA

ENVIRONMENT
This substance may be hazardous to the environment. Special attention should be given to ground water contamination.

NOTES

ADDITIONAL INFORMATION

EC Classification

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