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Product Name: trimethyloxirane
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5076-19-7

5076-19-7 structure

5076-19-7 structure

Name: trimethyloxirane
Chemical Name: 2,2,3-trimethyloxirane
CAS Number: 5076-19-7
Molecular Formula: C₅H₁₀O
Molecular Weight: 86.13230
Catalog: Chemical reagent Organic reagent Halogenated aliphatic hydrocarbon
Create Date: 2018-04-30 08:00:00
Modify Date: 2025-08-25 19:02:57

Name	2,2,3-trimethyloxirane
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

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

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

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

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