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1634-04-4
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Identification
Name
tert-Butyl methyl ether
CAS
1634-04-4
Synonyms
1-METHOXY-2-METHYLPROPANE
2-METHYL-2-METHOXY PROPANE
ARCOPURE(R) MTBE
BOC-ARGININE(MTR)-OH
BOC-ARG(MTR)-OH
BOC-ARG(MTR)-OH MTBE
BOC-L-ARG(MTR)-OH
BOC-N-OMEGA-(4-METHOXY-2,3,6-TRIMETHYLBENZENESULFONYL)-L-ARGININE
HP-MTBE
MBT-ETHER
METHYL-T-BUTYL ETHER
METHYL TERT-BUTYL ETHER
MTB
MTBE
N-ALPHA-BOC-N(G)-4-METHOXY-2,3,6-TRIMETHYLBENZENESULFONYL-L-ARGININE
N-ALPHA-BOC-N-OMEGA-(4-METHOXY-2,3,6-TRIMETHYL-BENZENE-SULFONYL)-L-ARGININE
N-ALPHA-T-BOC-NG-(4-METHOXY-2,3,6 TRIMETHYLBENZENESULFONYL)-L-ARGININE
N-ALPHA-T-BUTOXYCARBONYL-N-OMEGA-4-METHOXY-2,3,6-TRIMETHYLBENZENESULFONYL-L-ARGININE
N-ALPHA-TERT-BUTYLOXYCARBONYL-N'-(4-METHOXY-2,3,6-TRIMETHYLPHENYL-SULFONYL)-L-ARGININE
TBOC-L-ARGININE (MTR)
EINECS(EC#)
216-653-1
Molecular Formula
C5H12O
MDL Number
MFCD00008812
Molecular Weight
88.15
MOL File
1634-04-4.mol
tert-Butyl methyl ether
CAS
1634-04-4
Synonyms
1-METHOXY-2-METHYLPROPANE
2-METHYL-2-METHOXY PROPANE
ARCOPURE(R) MTBE
BOC-ARGININE(MTR)-OH
BOC-ARG(MTR)-OH
BOC-ARG(MTR)-OH MTBE
BOC-L-ARG(MTR)-OH
BOC-N-OMEGA-(4-METHOXY-2,3,6-TRIMETHYLBENZENESULFONYL)-L-ARGININE
HP-MTBE
MBT-ETHER
METHYL-T-BUTYL ETHER
METHYL TERT-BUTYL ETHER
MTB
MTBE
N-ALPHA-BOC-N(G)-4-METHOXY-2,3,6-TRIMETHYLBENZENESULFONYL-L-ARGININE
N-ALPHA-BOC-N-OMEGA-(4-METHOXY-2,3,6-TRIMETHYL-BENZENE-SULFONYL)-L-ARGININE
N-ALPHA-T-BOC-NG-(4-METHOXY-2,3,6 TRIMETHYLBENZENESULFONYL)-L-ARGININE
N-ALPHA-T-BUTOXYCARBONYL-N-OMEGA-4-METHOXY-2,3,6-TRIMETHYLBENZENESULFONYL-L-ARGININE
N-ALPHA-TERT-BUTYLOXYCARBONYL-N'-(4-METHOXY-2,3,6-TRIMETHYLPHENYL-SULFONYL)-L-ARGININE
TBOC-L-ARGININE (MTR)
EINECS(EC#)
216-653-1
Molecular Formula
C5H12O
MDL Number
MFCD00008812
Molecular Weight
88.15
MOL File
1634-04-4.mol
Chemical Properties
Appearance
Clear colorless liquid
Appearance
Methyl-tert-butyl ether is a colorless liquid.
mp
-110 °C
bp
55-56 °C(lit.)
density
0.7404
vapor density
3.1 (vs air)
vapor pressure
4.05 psi ( 20 °C)
refractive index
n20/D 1.369(lit.)
Fp
-27 °F
storage temp.
−20°C
Stability:
Stable, but may form explosive peroxides in contact with air. Extremely flammable-note low flash point. Incompatible with strong oxidizing agents.
Water Solubility
51 g/L (20 ºC)
FreezingPoint
-108.6℃
Merck
14,6032
BRN
1730942
CAS DataBase Reference
1634-04-4(CAS DataBase Reference)
NIST Chemistry Reference
Propane, 2-methoxy-2-methyl-(1634-04-4)
EPA Substance Registry System
1634-04-4(EPA Substance)
Clear colorless liquid
Appearance
Methyl-tert-butyl ether is a colorless liquid.
mp
-110 °C
bp
55-56 °C(lit.)
density
0.7404
vapor density
3.1 (vs air)
vapor pressure
4.05 psi ( 20 °C)
refractive index
n
Fp
-27 °F
storage temp.
−20°C
Stability:
Stable, but may form explosive peroxides in contact with air. Extremely flammable-note low flash point. Incompatible with strong oxidizing agents.
Water Solubility
51 g/L (20 ºC)
FreezingPoint
-108.6℃
Merck
14,6032
BRN
1730942
CAS DataBase Reference
1634-04-4(CAS DataBase Reference)
NIST Chemistry Reference
Propane, 2-methoxy-2-methyl-(1634-04-4)
EPA Substance Registry System
1634-04-4(EPA Substance)
Safety Data
Hazard Codes
Xn,F,Xi,T
Risk Statements
R36/37/38:Irritating to eyes, respiratory system and skin .
R40:Limited evidence of a carcinogenic effect.
R38:Irritating to the skin.
R11:Highly Flammable.
R39/23/24/25:Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed .
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
Safety Statements
S9:Keep container in a well-ventilated place .
S16:Keep away from sources of ignition-No smoking .
S24:Avoid contact with skin .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36/37:Wear suitable protective clothing and gloves .
RIDADR
UN 2398 3/PG 2
WGK Germany
3
RTECS
KN5250000
F
3-10
HazardClass
3
PackingGroup
II
HS Code
29091900
Safety Profile
Poison by intravenous route. Slightly toxic by ingestion and inhalation. Flammable when exposed to heat or flame. When heated to decomposition it emits acrid smoke and irritating fumes. See also ETHERS.
Hazardous Substances Data
1634-04-4(Hazardous Substances Data)
Xn,F,Xi,T
Risk Statements
R36/37/38:Irritating to eyes, respiratory system and skin .
R40:Limited evidence of a carcinogenic effect.
R38:Irritating to the skin.
R11:Highly Flammable.
R39/23/24/25:Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed .
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
Safety Statements
S9:Keep container in a well-ventilated place .
S16:Keep away from sources of ignition-No smoking .
S24:Avoid contact with skin .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36/37:Wear suitable protective clothing and gloves .
RIDADR
UN 2398 3/PG 2
WGK Germany
3
RTECS
KN5250000
F
3-10
HazardClass
3
PackingGroup
II
HS Code
29091900
Safety Profile
Poison by intravenous route. Slightly toxic by ingestion and inhalation. Flammable when exposed to heat or flame. When heated to decomposition it emits acrid smoke and irritating fumes. See also ETHERS.
Hazardous Substances Data
1634-04-4(Hazardous Substances Data)
Raw materials And Preparation Products
Raw materials
Methanol-->ISOBUTYLENE-->DOYLE DIRHODIUM CATALYST-RH2(4S-MEOX)4
Preparation Products
Tetrakis(triphenylphosphine)palladium-->3-N-Boc-amino-azetidine-->Azetidine-->N-METHYL-P-ANISIDINE-->N5-[imino(phosphonoamino)methyl]L-ornithine -->1-(Boc-amino)cyclopropanecarboxylic acid-->1-Aminocyclopropanecarboxylic acid-->HEXAFLUOROACETYLACETONE-->((1R,4S)-2-Azabicyclo[2.2.1]hept-5-en-3-one-->Azetidine hydrochloride-->4,6-Dimethylpyrimidine-5-carboxylic acid-->4-Vinylbenzyl chloride-->3-AMINO-PYRIDINE-4-CARBALDEHYDE-->Tris(dibenzylideneacetone)dipalladium-chloroform adduct-->5-METHOXY-1H-PYRROLO[3,2-B]PYRIDINE-2-CARBOXYLIC ACID-->(3-AMINO-PYRIDIN-4-YL)-METHANOL-->4-PYRIDIN-2-YLISOXAZOL-5-AMINE-->3-AMINO-ISONICOTINIC ACID ETHYL ESTER-->5-METHOXY-1H-PYRROLO[2,3-C]PYRIDINE-2-CARBOXYLIC ACID-->ETHYL 2-(BROMOMETHYL)ACRYLATE-->TERT-BUTYL METHYL MALONATE-->Sodium triacetoxyborohydride-->PHOSPHO-L-ARGININE SODIUM-->3-METHOXYBENZYL BROMIDE-->2,2,2-Trichloroethyl chloroformate-->BIS(4-NITROBENZYL) PHOSPHOROCHLORIDATE-->5-METHOXY-1H-PYRROLO[2,3-C]PYRIDINE-2-CARBALDEHYDE-->2-(2-NITROPHENYL)ACRYLALDEHYDE-->N,N-Diethylacetoacetamide-->Brinzolamide-->Tetraheptylammonium bromide-->(1R,2R)-(-)-1,2-Diaminocyclohexane-->4-Aminotetrahydropyran hydrochloride-->6-Aminoindole-->2-Methoxyethyl acetate-->6-Nitroindole-->5-AMINOINDOLE HYDROCHLORIDE-->2-CHLOROMALONALDEHYDE-->Methyl 2-aminothiophene-3-carboxylate-->N-OCTADECYLTRICHLOROSILANE
Methanol-->ISOBUTYLENE-->DOYLE DIRHODIUM CATALYST-RH2(4S-MEOX)4
Preparation Products
Tetrakis(triphenylphosphine)palladium-->3-N-Boc-amino-azetidine-->Azetidine-->N-METHYL-P-ANISIDINE-->N5-[imino(phosphonoamino)methyl]L-ornithine -->1-(Boc-amino)cyclopropanecarboxylic acid-->1-Aminocyclopropanecarboxylic acid-->HEXAFLUOROACETYLACETONE-->((1R,4S)-2-Azabicyclo[2.2.1]hept-5-en-3-one-->Azetidine hydrochloride-->4,6-Dimethylpyrimidine-5-carboxylic acid-->4-Vinylbenzyl chloride-->3-AMINO-PYRIDINE-4-CARBALDEHYDE-->Tris(dibenzylideneacetone)dipalladium-chloroform adduct-->5-METHOXY-1H-PYRROLO[3,2-B]PYRIDINE-2-CARBOXYLIC ACID-->(3-AMINO-PYRIDIN-4-YL)-METHANOL-->4-PYRIDIN-2-YLISOXAZOL-5-AMINE-->3-AMINO-ISONICOTINIC ACID ETHYL ESTER-->5-METHOXY-1H-PYRROLO[2,3-C]PYRIDINE-2-CARBOXYLIC ACID-->ETHYL 2-(BROMOMETHYL)ACRYLATE-->TERT-BUTYL METHYL MALONATE-->Sodium triacetoxyborohydride-->PHOSPHO-L-ARGININE SODIUM-->3-METHOXYBENZYL BROMIDE-->2,2,2-Trichloroethyl chloroformate-->BIS(4-NITROBENZYL) PHOSPHOROCHLORIDATE-->5-METHOXY-1H-PYRROLO[2,3-C]PYRIDINE-2-CARBALDEHYDE-->2-(2-NITROPHENYL)ACRYLALDEHYDE-->N,N-Diethylacetoacetamide-->Brinzolamide-->Tetraheptylammonium bromide-->(1R,2R)-(-)-1,2-Diaminocyclohexane-->4-Aminotetrahydropyran hydrochloride-->6-Aminoindole-->2-Methoxyethyl acetate-->6-Nitroindole-->5-AMINOINDOLE HYDROCHLORIDE-->2-CHLOROMALONALDEHYDE-->Methyl 2-aminothiophene-3-carboxylate-->N-OCTADECYLTRICHLOROSILANE
Hazard Information
General Description
A colorless liquid with a distinctive anesthetic-like odor. Vapors are heavier than air and narcotic. Boiling point 131°F. Flash point 18°F. Less dense than water and miscible in water. Used as a octane booster in gasoline.
Reactivity Profile
Ethers, such as METHYL TERT-BUTYL ETHER(1634-04-4), can act as bases. They form salts with strong acids and addition complexes with Lewis acids. The complex between diethyl ether and boron trifluoride is an example. Ethers may react violently with strong oxidizing agents. In other reactions, which typically involve the breaking of the carbon-oxygen bond, ethers are relatively inert.
Air & Water Reactions
Highly flammable. Oxidizes readily in air to form unstable peroxides that may explode spontaneously [Bretherick 1979. p.151-154, 164]. A mixture of liquid air and diethyl ether exploded spontaneously [MCA Case History 616. 1960].
Hazard
Slightly toxic by ingestion and inhalation. Flammable when exposed to heat or flame. Upper respiratory tract irritant and kidney damage. Questionable carcinogen.
Health Hazard
INHALATION: May cause dizziness or suffocation. Contact may irritate or burn eyes or skin. May be harmful if swallowed.
Potential Exposure
Used as an organic solvent; as an octane booster in unleaded gasolines; in making other chemicals; and in medicine to dissolve gall stones
First aid
If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit. Medical observation is recommended for 24 to 48 hours after breathing overexposure, as pulmonary edema may be delayed. As first aid for pulmonary edema, a doctor or authorized paramedic may consider administering a drug or other inhalation therapy. If frostbite has occurred, seek medical attention immediately; do NOT rub the affected areas or flush them with water. In order to prevent further tissue damage, do NOT attempt to remove frozen clothing from frostbitten areas. If frostbite has NOT occurred, immediately and thoroughly wash contaminated skin with soap and water
Shipping
UN2398 Methyl tert-butyl ether, Hazard Class: 3; Labels: 3-Flammable liquid.
Incompatibilities
May form explosive mixture with air. May be able to form unstable peroxides. Much less likely to form peroxides than other ethers. Incompatible with strong acids. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. May accumulate static electrical charges, and cause ignition of its vapors.
Waste Disposal
Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. All federal, state, and local environmental regulations must be observed.
A colorless liquid with a distinctive anesthetic-like odor. Vapors are heavier than air and narcotic. Boiling point 131°F. Flash point 18°F. Less dense than water and miscible in water. Used as a octane booster in gasoline.
Reactivity Profile
Ethers, such as METHYL TERT-BUTYL ETHER(1634-04-4), can act as bases. They form salts with strong acids and addition complexes with Lewis acids. The complex between diethyl ether and boron trifluoride is an example. Ethers may react violently with strong oxidizing agents. In other reactions, which typically involve the breaking of the carbon-oxygen bond, ethers are relatively inert.
Air & Water Reactions
Highly flammable. Oxidizes readily in air to form unstable peroxides that may explode spontaneously [Bretherick 1979. p.151-154, 164]. A mixture of liquid air and diethyl ether exploded spontaneously [MCA Case History 616. 1960].
Hazard
Slightly toxic by ingestion and inhalation. Flammable when exposed to heat or flame. Upper respiratory tract irritant and kidney damage. Questionable carcinogen.
Health Hazard
INHALATION: May cause dizziness or suffocation. Contact may irritate or burn eyes or skin. May be harmful if swallowed.
Potential Exposure
Used as an organic solvent; as an octane booster in unleaded gasolines; in making other chemicals; and in medicine to dissolve gall stones
First aid
If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit. Medical observation is recommended for 24 to 48 hours after breathing overexposure, as pulmonary edema may be delayed. As first aid for pulmonary edema, a doctor or authorized paramedic may consider administering a drug or other inhalation therapy. If frostbite has occurred, seek medical attention immediately; do NOT rub the affected areas or flush them with water. In order to prevent further tissue damage, do NOT attempt to remove frozen clothing from frostbitten areas. If frostbite has NOT occurred, immediately and thoroughly wash contaminated skin with soap and water
Shipping
UN2398 Methyl tert-butyl ether, Hazard Class: 3; Labels: 3-Flammable liquid.
Incompatibilities
May form explosive mixture with air. May be able to form unstable peroxides. Much less likely to form peroxides than other ethers. Incompatible with strong acids. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. May accumulate static electrical charges, and cause ignition of its vapors.
Waste Disposal
Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. All federal, state, and local environmental regulations must be observed.
Material Safety Data Sheet(MSDS)
Spectrum Detail
Spectrum Detail
tert-Butyl methyl ether(1634-04-4) IR2
tert-Butyl methyl ether(1634-04-4) 13C NMR
tert-Butyl methyl ether(1634-04-4) MS
tert-Butyl methyl ether(1634-04-4) IR1
tert-Butyl methyl ether(1634-04-4) 1H NMR
tert-Butyl methyl ether(1634-04-4) Raman
tert-Butyl methyl ether(1634-04-4) IR2
tert-Butyl methyl ether(1634-04-4) 13C NMR
tert-Butyl methyl ether(1634-04-4) MS
tert-Butyl methyl ether(1634-04-4) IR1
tert-Butyl methyl ether(1634-04-4) 1H NMR
tert-Butyl methyl ether(1634-04-4) Raman
Well-known Reagent Company Product Information
Acros Organics
tert-Butyl methyl ether, extra pure, 99.9%(1634-04-4)
Alfa Aesar
tert-Butyl methyl ether, HPLC grade, 99+%, packaged under Argon in resealable ChemSeal bottles(1634-04-4)
Sigma Aldrich
1634-04-4(sigmaaldrich)
TCI AMERICA
tert-Butyl Methyl Ether,>99.0%(GC)(1634-04-4)
tert-Butyl methyl ether, extra pure, 99.9%(1634-04-4)
Alfa Aesar
tert-Butyl methyl ether, HPLC grade, 99+%, packaged under Argon in resealable ChemSeal bottles(1634-04-4)
Sigma Aldrich
1634-04-4(sigmaaldrich)
TCI AMERICA
tert-Butyl Methyl Ether,>99.0%(GC)(1634-04-4)
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