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| CAS No.: | 994-05-8 |
|---|---|
| Name: | TERT-AMYL METHYL ETHER |
| Article Data: | 42 |
| Molecular Structure: | |
|
|
|
| Formula: | C6H14 O |
| Molecular Weight: | 102.177 |
| Synonyms: | Ether,methyl tert-pentyl (6CI,7CI,8CI); 1,1-Dimethylpropyl methyl ether;2-Methoxy-2-methylbutane; 2-Methyl-2-methoxybutane; Methyl 1,1-dimethylpropylether; Methyl tert-amyl ether; Methyl tert-pentyl ether; TAME; TAME (ether);t-Amyl methyl ether; tert-Amyl methyl ether; tert-Pentyl methyl ether |
| Density: | 0.762g/cm3 |
| Melting Point: | -105.78°C (estimate) |
| Boiling Point: | 86.3°Cat760mmHg |
| Flash Point: | °C |
| Solubility: | 12.35g/L(20 oC) |
| Appearance: | CLEAR COLOURLESS LIQUID |
| Hazard Symbols: | F,Xn,T |
| Risk Codes: | 11-22-38-41-39/23/24/25-23/24/25 |
| Safety: | Moderately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating vapors. |
| PSA: | 9.23000 |
| LogP: | 1.82140 |
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| Conditions | Yield |
|---|---|
| With sodium hydride; 1-n-butyl-2,3-dimethylimidazolium hexafluorophosphate at 25℃; for 2h; Williamson synthesis; | 87% |
| With potassium hydride 1.)THF, 2 h, reflux, 2.) 0.5 h at 20 deg C, reflux, 1 h; Multistep reaction; |
- 67-56-1
methanol
- 75-85-4
tert-Amyl alcohol
A
- 513-35-9
2-methyl-but-2-ene
B
- 994-05-8
tert-Amyl methyl ether
C
- 563-46-2
2-Methyl-1-butene
| Conditions | Yield |
|---|---|
| With Amberlyst-36 In 1,4-dioxane at 80℃; for 4h; Kinetics; Mechanism; Reagent/catalyst; Temperature; Autoclave; | A n/a B 71.37% C n/a |
| UDCaT-6 at 120℃; Product distribution; Activation energy; Further Variations:; Catalysts; Temperatures; space time; | A n/a B 18% C n/a |
| Conditions | Yield |
|---|---|
| In diethyl ether Heating; | 60% |
- 67-56-1
methanol
- 96503-15-0
2,2-dimethyl-1-propyl phenyl selenide
A
- 994-05-8
tert-Amyl methyl ether
B
- 1118-00-9
methyl t-butylmethyl ether
C
- 1666-13-3
diphenyl diselenide
| Conditions | Yield |
|---|---|
| With naphthalene-1,4-dicarbonitrile for 8h; Ambient temperature; Irradiation; | A 15% B 35% C 50% |
| Conditions | Yield |
|---|---|
| With hydrogen; iodine at 100℃; under 60004.8 Torr; for 0.5h; | 42% |
| With Amberlyst 15 at 49.9℃; Product distribution; Rate constant; Kinetics; various reaction conditions; | |
| With sulfuric acid | |
| With Amberlyst 15 at 49.9℃; |
| Conditions | Yield |
|---|---|
| With tetrafluoroboric acid; dichloromethane | |
| With boron trifluoride diethyl etherate | |
| silica gel Ambient temperature; | 99 % Chromat. |
| Conditions | Yield |
|---|---|
| With sodium hydroxide; sodium tetrahydroborate; mercury(II) diacetate Product distribution; other alcohols and mercuric salts; | |
| aluminosilicate catalyst at 99.9℃; Equilibrium constant; other temp.; | |
| With Amberlyst 16 at 49.9℃; under 5250.4 Torr; Equilibrium constant; Thermodynamic data; var. temp.; ΔH; |
| Conditions | Yield |
|---|---|
| aluminosilicate catalyst at 99.9℃; Equilibrium constant; Thermodynamic data; other temp., ΔH, ΔG, ΔS; | |
| With Amberlyst 16 at 49.9℃; under 5250.4 Torr; Equilibrium constant; Thermodynamic data; var. temp.; ΔH; | |
| (i) Hg(OAc)2, (ii) aq. NaOH, NaBH4; Multistep reaction; |
- 67-56-1
methanol
- 96503-15-0
2,2-dimethyl-1-propyl phenyl selenide
A
- 994-05-8
tert-Amyl methyl ether
B
- 1118-00-9
methyl t-butylmethyl ether
| Conditions | Yield |
|---|---|
| With naphthalene-1,4-dicarbonitrile Irradiation; |
- 67-56-1
methanol
- 90886-05-8
C31H30N(1+)*BF4(1-)
A
- 513-35-9
2-methyl-but-2-ene
B
- 994-05-8
tert-Amyl methyl ether
| Conditions | Yield |
|---|---|
| at 150℃; Yield given. Yields of byproduct given; |
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Chemistry
Product Name: tert-Amyl methyl ether (CAS NO.994-05-8)
Molecular Formula: Clear colourless liquid
Molecular Weight: g/mol
Mol File: 994-05-8.mol
Melting Point: -80°C
Boiling point: 85-86 °C(lit.)
Storage Temperature: Flammables area
Flash Point: -11°C
Density: 0.77 g/mL at 25 °C(lit.)
Refractive index: n20/D 1.389(lit.)
Water Solubility: 10.71 g/L at 20°C
Surface Tension: 20.6 dyne/cm
Enthalpy of Vaporization: 31.3 kJ/mol
Vapour Pressure: 75 mmHg at 25°C
XLogP3-AA: 1.6
H-Bond Donor: 0
H-Bond Acceptor: 1
Product Categories: AM to AQGasoline, Diesel,&Petroleum; A; A-BChemical Class; Alcohols; AliphaticAlphabetic; Alpha Sort;ASTM D5441Analytical Standards; ASTM Petroleum and Petrochemical; ASTM Petroleum Standards; Method Specific; Volatiles/ Semivolatiles
Uses
Tert-Amyl methyl ether (CAS NO.994-05-8) is mostly used as an oxygenate to gasoline. It is added for three reasons: to increase octane enhancement, to replace banned tetraethyl lead, and to raise the oxygen content in gasoline. It is known that TAME in fuel reduces exhaust emissions of some volatile organic compounds.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rabbit | LD | skin | > 3160mg/kg (3160mg/kg) | SENSE ORGANS AND SPECIAL SENSES: OTHER CHANGES: OLFACTION GASTROINTESTINAL: OTHER CHANGES MUSCULOSKELETAL: OTHER CHANGES | National Technical Information Service. Vol. OTS0557626, |
| rat | LC50 | inhalation | > 5400mg/m3/4H (5400mg/m3) | LUNGS, THORAX, OR RESPIRATION: PULMONARY EMBOLI | National Technical Information Service. Vol. OTS0557658, |
| rat | LD50 | oral | 1602mg/kg (1602mg/kg) | BEHAVIORAL: ATAXIA MUSCULOSKELETAL: OTHER CHANGES | National Technical Information Service. Vol. OTS0557624, |
Safety Profile
Moderately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating vapors.
Safety Information of tert-Amyl methyl ether (CAS NO.994-05-8):
Hazard Codes: F.gif){kind=small}
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Risk Statements: 11-22-38-41-39/23/24/25-23/24/25
11: Highly Flammable
22: Harmful if swallowed
23: Toxic by inhalation
24: Toxic in contact with skin
25: Toxic if swallowed
38: Irritating to the skin
39: Danger of very serious irreversible effects
41: Risk of serious damage to eyes
Safety Statements: 16-26-39-45-36/37
16: Keep away from sources of ignition - No smoking
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
37: Wear suitable gloves
39: Wear eye/face protection
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
Standards and Recommendations
ACGIH TLV: TWA 20 ppm
Specification
tert-Amyl methyl ether ,its CAS NO. is 994-05-8,the synonyms is Methyl-tert-amyl ether ; Methyl 2-methyl-2-butyl ether;methyl-(2-methylbut-2-yl)ether ; 1,1-Dimethylpropyl methyl ether ; Tert-amyl methyl ether ; 2-Methoxy-2-methyl-butan ; 2-Methoxy-2-methylbutane ; 2-Methoxy-2-methyl-butane .