trimethyloxirane

Modify Date: 2025-08-25 19:02:57

trimethyloxirane Structure
trimethyloxirane structure
Common Name trimethyloxirane
CAS Number 5076-19-7 Molecular Weight 86.13230
Density 0.838g/cm3 Boiling Point 60.5ºC at 760mmHg
Molecular Formula C5H10O Melting Point N/A
MSDS N/A Flash Point −4 °F

 Names

Name 2,2,3-trimethyloxirane
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.838g/cm3
Boiling Point 60.5ºC at 760mmHg
Molecular Formula C5H10O
Molecular Weight 86.13230
Flash Point −4 °F
Exact Mass 86.07320
PSA 12.53000
LogP 1.18370
Index of Refraction n20/D 1.3855(lit.)
Storage condition Flammables area

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
EK3860000
CHEMICAL NAME :
Butane, 2,3-epoxy-2-methyl-
CAS REGISTRY NUMBER :
5076-19-7
BEILSTEIN REFERENCE NO. :
0102417
LAST UPDATED :
199710
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C5-H10-O
MOLECULAR WEIGHT :
86.15
WISWESSER LINE NOTATION :
T3OTJ B1 B1 C1

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 :
2635 mg/kg
TOXIC EFFECTS :
Behavioral - general anesthetic Behavioral - somnolence (general depressed activity) Behavioral - excitement
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>7340 ppm/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1410 mg/kg
TOXIC EFFECTS :
Behavioral - general anesthetic Behavioral - somnolence (general depressed activity) Behavioral - excitement
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2600 mg/kg
TOXIC EFFECTS :
Behavioral - general anesthetic Behavioral - somnolence (general depressed activity) Behavioral - excitement
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1513 mg/kg
TOXIC EFFECTS :
Behavioral - general anesthetic Behavioral - somnolence (general depressed activity) Behavioral - excitement

MUTATION DATA

TYPE OF TEST :
Cytogenetic analysis
TEST SYSTEM :
Rodent - rat Lymphocyte
DOSE/DURATION :
3 gm/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 347,9,1995

 Safety Information

Hazard Codes F,Xi
Risk Phrases R11;R36/37/38
Safety Phrases S16
RIDADR UN 1993 3/PG 2
WGK Germany 2
RTECS EK3860000

 Synthetic Route

 Synonyms

2-methyl-2,3-epoxybutane
MFCD00233698
2-Methylbutylene-2-oxide
Butane,2,3-epoxy-2-methyl
EINECS 225-784-3
2-methylbut-2-ene epoxide
2,3-epoxy-2-methylbutane
Trimethyloxacyclopropane
Isoamylene oxide
2,3-DIFLUORO-4-METHYLPHENYLACETONITRILE
trimethyl-ethylene oxide
2-methylbutene-2 oxide
TRIMETHYLOXIRANE
Oxirane,trimethyl
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