Methyl tert-butyl ether

Names

[ Name ]:
Methyl tert-butyl ether

[Synonym ]:
Propane, 2-methoxy-2-methyl-
methyl t-butyl ether
Methyl tert-butyl ether
ARCOPURE(R) MTBE
tert-BuOCH3
tert-butylmethyl ether
MTBE
Methyl tertiary-butyl ether
EINECS 216-653-1
MBT-ETHER
tert-butyl methyl ether
Methyl -butyl ether
Driveron
methyl-t-butyl ether
(CH3)3COCH3
BOC-L-ARG(MTR)-OH
tert-butyl-methyl-ether
TBME
tert-C4H9OCH3
2-methoxy-2-methyl
2-Methoxy-2-methylpropane
HP-MTBE
t-butyl methyl ether
MFCD00008812
Methyl 1,1-dimethylethyl ether
MTBE,Methyl tert-butyl ether
Ether, tert-butyl methyl
methyl-tert-butyl ether
MTB

Chemical & Physical Properties

[ Density]:
0.8±0.1 g/cm3

[ Boiling Point ]:
55.2±0.0 °C at 760 mmHg

[ Melting Point ]:
-110 °C

[ Molecular Formula ]:
C₅H₁₂O

[ Molecular Weight ]:
88.148

[ Flash Point ]:
-10.0±0.0 °C

[ Exact Mass ]:
88.088814

[ PSA ]:
9.23000

[ LogP ]:
1.15

[ Vapour density ]:
3.1 (vs air)

[ Vapour Pressure ]:
251.3±0.1 mmHg at 25°C

[ Index of Refraction ]:
1.375

[ Storage condition ]:
−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)

[ Freezing Point ]:
-108.6℃

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: KN5250000

CHEMICAL NAME :: Ether, tert-butyl methyl

CAS REGISTRY NUMBER :: 1634-04-4

BEILSTEIN REFERENCE NO. :: 1730942

LAST UPDATED :: 199712

DATA ITEMS CITED :: 22

MOLECULAR FORMULA :: C5-H12-O

MOLECULAR WEIGHT :: 88.17

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB87-174603

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 23576 ppm/4H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB87-174603

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >148 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: JSGRA2 Journal of Surgical Research. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1961- Volume(issue)/page/year: 53,572,1992

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 148 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: JSGRA2 Journal of Surgical Research. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1961- Volume(issue)/page/year: 53,572,1992

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 5960 uL/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CHHTAT Zhonghua Yixue Zazhi. Chinese Medical Journal. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1- 1915- Suspended 1967-72. Volume(issue)/page/year: 70,172,1990

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 141 gm/m3/15M

TOXIC EFFECTS :: Behavioral - general anesthetic

REFERENCE :: ANESAV Anesthesiology. (Lippincott/Harper, Journal Fulfillment Dept., 2350 Virginia Ave., Hagerstown, MD 21740) V.1- 1940- Volume(issue)/page/year: 11,455,1950

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1700 uL/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CHHTAT Zhonghua Yixue Zazhi. Chinese Medical Journal. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1- 1915- Suspended 1967-72. Volume(issue)/page/year: 70,172,1990 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 20 gm/kg/14D-I

TOXIC EFFECTS :: Kidney, Ureter, Bladder - changes in bladder weight Blood - changes in erythrocyte (RBC) count Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: JACTDZ Journal of the American College of Toxicology. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1-12, 1982-1993. Discontinued. Volume(issue)/page/year: 9(5),525,1990

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 27 gm/kg/90D-I

TOXIC EFFECTS :: Kidney, Ureter, Bladder - changes in bladder weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - changes in calcium

REFERENCE :: JACTDZ Journal of the American College of Toxicology. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1-12, 1982-1993. Discontinued. Volume(issue)/page/year: 9(5),525,1990

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1516 ppm/6H/10D-I

TOXIC EFFECTS :: Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis)

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 143,301,1997 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

DOSE :: 8000 ppm/6H

SEX/DURATION :: multigeneration

TOXIC EFFECTS :: Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive) Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)

REFERENCE :: JJATDK JAT, Journal of Applied Toxicology. (John Wiley & Sons Ltd., Baffins Lane, Chichester, W. Sussex PO19 1UD, UK) V.1- 1981- Volume(issue)/page/year: 17(S1),S13,1997

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

DOSE :: 4000 ppm/6H

SEX/DURATION :: female 6-15 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system

REFERENCE :: JJATDK JAT, Journal of Applied Toxicology. (John Wiley & Sons Ltd., Baffins Lane, Chichester, W. Sussex PO19 1UD, UK) V.1- 1981- Volume(issue)/page/year: 17(S1),S21,1997

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

DOSE :: 8000 ppm/6H

SEX/DURATION :: female 6-15 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) Reproductive - Specific Developmental Abnormalities - musculoskeletal system

REFERENCE :: JJATDK JAT, Journal of Applied Toxicology. (John Wiley & Sons Ltd., Baffins Lane, Chichester, W. Sussex PO19 1UD, UK) V.1- 1981- Volume(issue)/page/year: 17(S1),S21,1997 *** REVIEWS *** ACGIH TLV-Animal carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-TWA 144 mg/m3 (40 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 100 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4267 No. of Facilities: 614 (estimated) No. of Industries: 6 No. of Occupations: 9 No. of Employees: 5996 (estimated) No. of Female Employees: 1783 (estimated)

Safety Information

[ Symbol ]:

GHS02, GHS07

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H225-H315

[ Precautionary Statements ]:
P210

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US)

[ Hazard Codes ]:
F:Flammable

[ Risk Phrases ]:
R11;R38

[ Safety Phrases ]:
S9-S16-S24-S45-S36/37

[ RIDADR ]:
UN 2398 3/PG 2

[ WGK Germany ]:
3

[ RTECS ]:
KN5250000

[ Packaging Group ]:
II

[ Hazard Class ]:
3

[ HS Code ]:
2909199090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2909199090

[ Summary ]:
2909199090. other acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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