2-methyl-2-[2-(2-methyloxiran-2-yl)ethynyl]oxirane

Modify Date: 2026-08-09 23:06:28

2-methyl-2-[2-(2-methyloxiran-2-yl)ethynyl]oxirane structure	Common Name	2-methyl-2-[2-(2-methyloxiran-2-yl)ethynyl]oxirane
	CAS Number	42149-31-5	Molecular Weight	138.16400
	Density	1.14g/cm3	Boiling Point	191.9ºC at 760 mmHg
	Molecular Formula	C₈H₁₀O₂	Melting Point	N/A
	MSDS	N/A	Flash Point	69.4ºC

Name	2-methyl-2-[2-(2-methyloxiran-2-yl)ethynyl]oxirane
Synonym	More Synonyms

Density	1.14g/cm3
Boiling Point	191.9ºC at 760 mmHg
Molecular Formula	C₈H₁₀O₂
Molecular Weight	138.16400
Flash Point	69.4ºC
Exact Mass	138.06800
PSA	25.06000
LogP	0.56760
Index of Refraction	1.519
InChIKey	DECROJFJFVMMIP-UHFFFAOYSA-N
SMILES	CC1(C#CC2(C)CO2)CO1

CHEMICAL IDENTIFICATION

RTECS NUMBER :: MQ9700000

CAS REGISTRY NUMBER :: 42149-31-5

BEILSTEIN REFERENCE NO. :: 0081266

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C8-H10-O2

MOLECULAR WEIGHT :: 138.18

WISWESSER LINE NOTATION :: T3OTJ B1 B1UU1- BT3OTJ B1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1040 mg/kg/26W-I

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Tumorigenic - tumors at site of application

REFERENCE :: JNCIAM Journal of the National Cancer Institute. (Washington, DC) V.1-60, 1940-78. For publisher information, see JJIND8. Volume(issue)/page/year: 53,695,1974

HS Code	2910900090

1,6-dichloro-2,...

CAS#:412013-31-1

2-methyl-2-[2-(...

CAS#:42149-31-5

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Literature: Gerschtein Zhurnal Obshchei Khimii, 1942 , vol. 12, p. 132,142 Chem.Abstr., 1943 , p. 1986 Full Text Show Details Gerschtein Zhurnal Obshchei Khimii, 1939 , vol. 9, p. 361,364 Chem.Abstr., 1940 , p. 377

Precursor 1
CAS#:412013-31-1 1,6-dichloro-2,...
DownStream 0

HS Code	2910900090
Summary	2910900090. epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, 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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2,5-Dimethyl-1,2,5,6-diepoxyhex-3-yne

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2-methyl-2-[2-(2-methyloxiran-2-yl)ethynyl]oxirane

Names

Chemical & Physical Properties

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

Synthetic Route

Precursor & DownStream

Customs

Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.