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ChemicalBook >> CAS DataBase List >> tert-Butyl methyl ether

tert-Butyl methyl ether

tert-Butyl methyl ether price.
  • $14 - $14121.3
  • Product name: tert-Butyl methyl ether
  • CAS: 1634-04-4
  • MF: C5H12O
  • MW: 88.15
  • EINECS:216-653-1
  • MDL Number:MFCD00008812
  • Synonyms:tert-Butyl methyl ether HPLC Plus, for HPLC, GC, and residue analysis, 99.9%;tert-Butyl methyl ether puriss. p.a., >=99.5% (GC);tert-Butyl methyl ether reagent grade, >=98%;tert-Butyl Methyl ether ACS reagent, >=99.0%;tert-Butyl Methyl ether, 99%, SpcDry, Water≤50 ppM (by K.F.), SpcSeal;N-ALPHA-T-BOC-NG-(4-METHOXY-2,3,6 TRIMETHYLBENZENESULFONYL)-L-ARGININE;N-ALPHA-TERT-BUTYLOXYCARBONYL-N'-(4-METHOXY-2,3,6-TRIMETHYLPHENYL-SULFONYL)-L-ARGININE;N-ALPHA-T-BUTOXYCARBONYL-N-OMEGA-4-METHOXY-2,3,6-TRIMETHYLBENZENESULFONYL-L-ARGININE
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  • 250 mL
  • ManufacturerAHH
  • Product numberMT-48370
  • Product descriptionBoc-Arg(Mtr)-OH 99%
  • Packaging25g
  • Price$370
  • Updated2021-12-16
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  • ManufacturerAHH
  • Product numberMT-48370
  • Product descriptionBoc-Arg(Mtr)-OH 97%
  • Packaging25g
  • Price$370
  • Updated2026-05-25
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  • ManufacturerAHH
  • Product numberMT-48370
  • Product descriptionBoc-Arg(Mtr)-OH 97%
  • Packaging25g
  • Price$370
  • Updated2026-05-26
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  • ManufacturerAK Scientific
  • Product numberX5845
  • Product descriptiontert-Butyl methyl ether
  • Packaging100mL
  • Price$27
  • Updated2021-12-16
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  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM1015993
  • Product description1-METHOXY-2-METHYLPROPANE 95.00%
  • Packaging5MG
  • Price$495.73
  • Updated2021-12-16
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  • ManufacturerApolloscientific
  • Product numberOR59936
  • Product descriptiontert-Butyl methyl ether 99%
  • Packaging500ml
  • Price$47
  • Updated2026-06-04
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  • ManufacturerApolloscientific
  • Product numberOR59936
  • Product descriptiontert-Butyl methyl ether 99%
  • Packaging1l
  • Price$60
  • Updated2026-06-04
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  • ManufacturerApolloscientific
  • Product numberOR59936
  • Product descriptiontert-Butyl methyl ether 99%
  • Packaging2.5l
  • Price$100
  • Updated2026-06-04
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  • ManufacturerBiosynth
  • Product numberFB09663
  • Product descriptiontert-Butyl methyl ether
  • Packaging1kg
  • Price$150
  • Updated2021-12-16
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  • ManufacturerBiosynth
  • Product numberFB09663
  • Product descriptiontert-Butyl methyl ether
  • Packaging2Kg
  • Price$200
  • Updated2021-12-16
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  • ManufacturerBiosynth
  • Product numberFB09663
  • Product descriptiontert-Butyl methyl ether
  • Packaging500g
  • Price$100
  • Updated2021-12-16
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  • ManufacturerBiosynth
  • Product numberFB09663
  • Product descriptiontert-Butyl methyl ether
  • Packaging5kg
  • Price$450
  • Updated2021-12-16
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  • ManufacturerBiosynth
  • Product numberFB09663
  • Product descriptiontert-Butyl methyl ether
  • Packaging10Kg
  • Price$800
  • Updated2021-12-16
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  • ManufacturerChem-Impex
  • Product number03665
  • Product descriptiontert-Butyl methyl ether 99.90%
  • Packaging1L
  • Price$70
  • Updated2026-05-19
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  • ManufacturerGFS CHEMICALS
  • Product number50481
  • Product descriptionMETHYLT-BUTYLETHER,HPL
  • Packaging1L
  • Price$78.08
  • Updated2021-12-16
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  • ManufacturerGFS CHEMICALS
  • Product number50481
  • Product descriptionMETHYL tert-BUTYL ETHER, HPLC
  • Packaging1L
  • Price$99.63
  • Updated2026-06-03
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Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-48370 Boc-Arg(Mtr)-OH 99% 25g $370 2021-12-16 Buy
AHH MT-48370 Boc-Arg(Mtr)-OH 97% 25g $370 2026-05-25 Buy
AHH MT-48370 Boc-Arg(Mtr)-OH 97% 25g $370 2026-05-26 Buy
AK Scientific X5845 tert-Butyl methyl ether 100mL $27 2021-12-16 Buy
American Custom Chemicals Corporation CHM1015993 1-METHOXY-2-METHYLPROPANE 95.00% 5MG $495.73 2021-12-16 Buy
Apolloscientific OR59936 tert-Butyl methyl ether 99% 500ml $47 2026-06-04 Buy
Apolloscientific OR59936 tert-Butyl methyl ether 99% 1l $60 2026-06-04 Buy
Apolloscientific OR59936 tert-Butyl methyl ether 99% 2.5l $100 2026-06-04 Buy
Biosynth FB09663 tert-Butyl methyl ether 1kg $150 2021-12-16 Buy
Biosynth FB09663 tert-Butyl methyl ether 2Kg $200 2021-12-16 Buy
Biosynth FB09663 tert-Butyl methyl ether 500g $100 2021-12-16 Buy
Biosynth FB09663 tert-Butyl methyl ether 5kg $450 2021-12-16 Buy
Biosynth FB09663 tert-Butyl methyl ether 10Kg $800 2021-12-16 Buy
Chem-Impex 03665 tert-Butyl methyl ether 99.90% 1L $70 2026-05-19 Buy
GFS CHEMICALS 50481 METHYLT-BUTYLETHER,HPL 1L $78.08 2021-12-16 Buy
GFS CHEMICALS 50481 METHYL tert-BUTYL ETHER, HPLC 1L $99.63 2026-06-03 Buy

Properties

Melting point :-110 °C
Boiling point :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.)
Flash point :-27 °F
storage temp. :Store at +2°C to +25°C.
solubility :42g/l
form :Powder or Needles
color :APHA: ≤10
Specific Gravity :0.740
Odor :Characteristic ethereal odor
Relative polarity :0.124
explosive limit :1.5-8.5%(V)
Water Solubility :51 g/L (20 ºC)
FreezingPoint :-108.6℃
Thermal Conductivity :0.12 W/(m·K)
λmax :λ: 210 nm Amax: 1.0
λ: 225 nm Amax: 0.50
λ: 250 nm Amax: 0.10
λ: 300-400 nm Amax: 0.005 Merck :14,6032
BRN :1730942
Henry's Law Constant :1.2×10-2 mol/(m3Pa) at 25℃, Schwardt et al. (2021)
Dielectric constant :4.5
Exposure limits :ACGIH: TWA 50 ppm
Stability :Stable, but may form explosive peroxides in contact with air. Extremely flammable - note low flash point. Incompatible with strong oxidizing agents.
Cosmetics Ingredients Functions :SOLVENT
InChI :1S/C5H12O/c1-5(2,3)6-4/h1-4H3
InChIKey :BZLVMXJERCGZMT-UHFFFAOYSA-N
SMILES :COC(C)(C)C
LogP :1.06 at 20℃
Surface tension :18.7mN/m at 293.15K
CAS DataBase Reference :1634-04-4(CAS DataBase Reference)
IARC :3 (Vol. 73) 1999
NIST Chemistry Reference :Propane, 2-methoxy-2-methyl-(1634-04-4)
EPA Substance Registry System :Methyl tert-butyl ether (1634-04-4)

Safety Information

Symbol(GHS): Flame (GHS02)Exclamation Mark (GHS07)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H303 May be harmfulif swallowed Acute toxicity,oral Category 5 P312
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P241 Use explosion-proof electrical/ventilating/lighting/…/equipment.
P242 Use only non-sparking tools.
P243 Take precautionary measures against static discharge.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P312 Call a POISON CENTER or doctor/physician if you feel unwell.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.
P370+P378 In case of fire: Use … for extinction.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P403+P235 Store in a well-ventilated place. Keep cool.
P405 Store locked up.
P501 Dispose of contents/container to..…

Description

tert-Butyl methyl ether also known as MTBE and methyl tert-butyl ether, a combustible, clear, colorless liquid with a low viscosity and characteristic, turpentine-like odor. It is miscible with organic solvents, and is only slightly soluble in water. It forms azeotropic mixtures with some solvents such as methanol. Methyl tert-butyl ether is very stable under alkaline, neutral, and weakly acidic conditions. In the presence of strong acids, it is cleaved to methanol and isobutene. Depending on reaction conditions the latter can form isobutene oligomers. MTBE does not undergo autoxidation and, in contrast to other ethers, it does not form peroxides with atmospheric oxygen. It improves the antiknock properties when added to motor gasoline.

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