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Substance Name: t-Butyl methyl ether
RN: 1634-04-4
UNII: 29I4YB3S89
InChIKey: BZLVMXJERCGZMT-UHFFFAOYSA-N
Notes
Note
- Used to dissolve gallstones; gasoline additive.
Superlist Note
- Chemical remains on MTL because of additional testing actions (see OECD/SIDS listing)
Molecular Formula
- C5-H12-O
Molecular Weight
- 88.1488
- All
- Classifications
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- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
Classification Codes
Classification Codes
- Air Pollutants
- Carcinogens
- Environmental Pollutants
- Noxae
- Reproductive Effect
Superlist Classification Codes
- Reportable Quantity (RQ) = 1000 lb
- TWA (50 ppm); Confirmed animal carcinogen with unknown relevance to humans
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Names and Synonyms
Name of Substance
- Methyl t-butyl ether
- Methyl tert-butyl ether
- t-Butyl methyl ether
Synonyms
- 2-Methoxy-2-methylpropane
- 2-Methyl-2-methoxypropane
- 4-01-00-01615 (Beilstein Handbook Reference)
- BRN 1730942
- CCRIS 7596
- EC 216-653-1
- EINECS 216-653-1
- Ether, tert-butyl methyl
- HSDB 5847
- Methyl 1,1-dimethylethyl ether
- Methyl tert-butyl ether
- Methyl tertiary-butyl ether
- Methyl-tert-butyl ether
- MTBE
- Propane, 2-methoxy-2-methyl-
- t-Butyl methyl ether
- tert-Butyl methyl ether
- UNII-29I4YB3S89
Systematic Names
- Ether, tert-butyl methyl
- Methyl tert-butyl ether
- Propane, 2-methoxy-2-methyl-
- tert-Butyl methyl ether
Superlist Names
- Ether, tert-butyl methyl
- Methyl tert-butyl ether
- Methyl tert-butyl ether [UN2398] [Flammable liquid]
- UN2398
Registry Numbers
CAS Registry Number
- 1634-04-4
FDA UNII
- 29I4YB3S89
System Generated Number
- 0001634044
Structure Descriptors
InChI
1S/C5H12O/c1-5(2,3)6-4/h1-4H3InChIKey
BZLVMXJERCGZMT-UHFFFAOYSA-NSmiles
CC(C)Toxicity
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LC50 | inhalation | 141gm/m3/15M (141000mg/m3) | BEHAVIORAL: GENERAL ANESTHETIC | Anesthesiology. Vol. 11, Pg. 455, 1950. |
| mouse | LD50 | intraperitoneal | 1700uL/kg (1.7mL/kg) | Zhonghua Yixue Zazhi. Chinese Medical Journal. Vol. 70, Pg. 172, 1990. | |
| mouse | LD50 | oral | 5960uL/kg (5.96mL/kg) | Zhonghua Yixue Zazhi. Chinese Medical Journal. Vol. 70, Pg. 172, 1990. | |
| rat | LC50 | inhalation | 23576ppm/4H (23576ppm) | National Technical Information Service. Vol. PB87-174603, | |
| rat | LD | intraperitoneal | > 148mg/kg (148mg/kg) | Journal of Surgical Research. Vol. 53, Pg. 572, 1992. | |
| rat | LD50 | oral | 4gm/kg (4000mg/kg) | National Technical Information Service. Vol. PB87-174603, | |
| rat | LDLo | intravenous | 148mg/kg (148mg/kg) | Journal of Surgical Research. Vol. 53, Pg. 572, 1992. |
Physical Properties
| Physical Property | Value | Units | Temp (deg C) | Source |
|---|---|---|---|---|
| Melting Point | -1.09E+02 | deg C | EXP | |
| Boiling Point | 55.2 | deg C | EXP | |
| pKa Dissociation Constant | -3.70E+00 | (none) | 23 | EXP |
| log P (octanol-water) | 0.94 | (none) | EXP | |
| Water Solubility | 5.10E+04 | mg/L | 25 | EXP |
| Vapor Pressure | 250 | mm Hg | 25 | EXP |
| Henry's Law Constant | 5.87E-04 | atm-m3/mole | 25 | EXP |
| Atmospheric OH Rate Constant | 2.94E-12 | cm3/molecule-sec | 25 | EXP |
Physical property data is provided to ChemIDplus by SRC, Inc.