1,3,4-Oxadiazole,2,5-bis(4-methylphenyl)-

Modify Date: 2025-09-09 17:49:25

1,3,4-Oxadiazole,2,5-bis(4-methylphenyl)- structure	Common Name	1,3,4-Oxadiazole,2,5-bis(4-methylphenyl)-
	CAS Number	2491-91-0	Molecular Weight	250.29500
	Density	1.128g/cm3	Boiling Point	399ºC at 760mmHg
	Molecular Formula	C₁₆H₁₄N₂O	Melting Point	N/A
	MSDS	N/A	Flash Point	189.3ºC

Name	2,5-bis(4-methylphenyl)-1,3,4-oxadiazole
Synonym	More Synonyms

Density	1.128g/cm3
Boiling Point	399ºC at 760mmHg
Molecular Formula	C₁₆H₁₄N₂O
Molecular Weight	250.29500
Flash Point	189.3ºC
Exact Mass	250.11100
PSA	38.92000
LogP	4.02040
Vapour Pressure	3.26E-06mmHg at 25°C
Index of Refraction	1.577

CHEMICAL IDENTIFICATION

RTECS NUMBER :: RO0673500

CHEMICAL NAME :: 1,3,4-Oxadiazole, 2,5-bis(4-methylphenyl)-

CAS REGISTRY NUMBER :: 2491-91-0

BEILSTEIN REFERENCE NO. :: 0214609

LAST UPDATED :: 199612

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C16-H14-N2-O

MOLECULAR WEIGHT :: 250.32

WISWESSER LINE NOTATION :: T5NN DOJ CR D1& ER D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 300 mg/kg

SEX/DURATION :: female 4-8 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)

REFERENCE :: IJMRAQ Indian Journal of Medical Research. (Indian Council of Medical Research, Ansari Nagar, New Delhi 110 029, India) V.1- 1913- Volume(issue)/page/year: 83,614,1986

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 12500 ug/kg

SEX/DURATION :: female 4-8 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)

REFERENCE :: IJMRAQ Indian Journal of Medical Research. (Indian Council of Medical Research, Ansari Nagar, New Delhi 110 029, India) V.1- 1913- Volume(issue)/page/year: 83,614,1986

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravaginal

DOSE :: 44900 ug/kg

SEX/DURATION :: female 5 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)

REFERENCE :: IJMRAQ Indian Journal of Medical Research. (Indian Council of Medical Research, Ansari Nagar, New Delhi 110 029, India) V.1- 1913- Volume(issue)/page/year: 83,614,1986

HS Code	2934999090

Precursor 10
CAS#:827-58-7 2-p-tolyl-1,3,4... CAS#:824-79-3 Sodium toluene-... CAS#:1530-73-0 Benzoic acid,4-... CAS#:99-94-5 4-Methylbenzoic acid
CAS#:104-87-0 p-Tolualdehyde CAS#:3619-22-5 Benzoic acid,4-... CAS#:24994-04-5 5-(4-Methylphen... CAS#:874-60-2 p-toluoyl chloride
CAS#:155164-67-3 4,5-dichloro-2-... CAS#:139030-29-8 bis(4-methylben...
DownStream 4
CAS#:16112-40-6 3,5-bis(4-methy... CAS#:787-84-8 N,N'-Dibenzoylh... CAS#:75029-41-3 1,3-Dimethyl-5-... CAS#:65-85-0 benzoic acid

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

2,5-dip-tolyl-1,3,4-oxadiazole

1,3,4-OXADIAZOLE,2,5-BIS(4-METHYLPHENYL)

2,5-Di(4-methylphenyl)-1,3,4-oxadiazole

2,5-bis-(p-methylphenyl)-1,3,4-oxadiazole

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