5-(O-TOLYL)-1,3,4-OXADIAZOL-2-AMINE

Modify Date: 2025-10-20 13:32:13

5-(O-TOLYL)-1,3,4-OXADIAZOL-2-AMINE Structure
5-(O-TOLYL)-1,3,4-OXADIAZOL-2-AMINE structure
 Common Name 5-(O-TOLYL)-1,3,4-OXADIAZOL-2-AMINE
CAS Number 1750-78-3 Molecular Weight 175.18700
Density 1.229g/cm3 Boiling Point 346.5ºC at 760 mmHg
Molecular Formula C9H9N3O Melting Point N/A
MSDS N/A Flash Point 163.4ºC

 Names

Name 5-(2-methylphenyl)-1,3,4-oxadiazol-2-amine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.229g/cm3
Boiling Point 346.5ºC at 760 mmHg
Molecular Formula C9H9N3O
Molecular Weight 175.18700
Flash Point 163.4ºC
Exact Mass 175.07500
PSA 64.94000
LogP 2.20840
Vapour Pressure 5.72E-05mmHg at 25°C
Index of Refraction 1.594
InChIKey FOBZVVKLLZAFGN-UHFFFAOYSA-N
SMILES Cc1ccccc1-c1nnc(N)o1
Storage condition 2-8°C

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
RO0660000
CHEMICAL NAME :
1,3,4-Oxadiazole, 2-amino-5-(o-tolyl)-
CAS REGISTRY NUMBER :
1750-78-3
LAST UPDATED :
199009
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C9-H9-N3-O
MOLECULAR WEIGHT :
175.21
WISWESSER LINE NOTATION :
T5NN DOJ CZ ER B1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
375 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 9,478,1966

 Safety Information

Hazard Codes C
Safety Phrases 26-36/37/39-45
HS Code 2934999090

 Synthetic Route

Hydrazinecarboxamide,2-[(2-methylphenyl)methylene]- structure

Hydrazinecarbox...

CAS#:16269-44-6

~89%

5-(O-TOLYL)-1,3,4-OXADIAZOL-2-AMINE Structure

5-(O-TOLYL)-1,3...

CAS#:1750-78-3

Literature: Kumar, Sanjeev Turkish Journal of Chemistry, 2011 , vol. 35, # 1 p. 99 - 108
2-(2-methylbenzoyl)hydrazinecarbothioamide structure

2-(2-methylbenz...

CAS#:7653-33-0

~61%

5-(O-TOLYL)-1,3,4-OXADIAZOL-2-AMINE Structure

5-(O-TOLYL)-1,3...

CAS#:1750-78-3

Literature: Shinde, Vikas N.; Ugarkar, Bheemarao G.; Ghorpade, Sandeep R. Journal of Chemical Research, 2013 , vol. 37, # 1 p. 53 - 54
2-Methylbenzaldehyde structure

2-Methylbenzaldehyde

CAS#:529-20-4

~%

5-(O-TOLYL)-1,3,4-OXADIAZOL-2-AMINE Structure

5-(O-TOLYL)-1,3...

CAS#:1750-78-3

Literature: Turkish Journal of Chemistry, , vol. 35, # 1 p. 99 - 108
2-methylbenzohydrazide structure

2-methylbenzohy...

CAS#:7658-80-2

~%

5-(O-TOLYL)-1,3,4-OXADIAZOL-2-AMINE Structure

5-(O-TOLYL)-1,3...

CAS#:1750-78-3

Literature: RSC Advances, , vol. 3, # 21 p. 7684 - 7687
Cyanogen bromide structure

Cyanogen bromide

CAS#:506-68-3

2-methylbenzohydrazide structure

2-methylbenzohy...

CAS#:7658-80-2

~%

5-(O-TOLYL)-1,3,4-OXADIAZOL-2-AMINE Structure

5-(O-TOLYL)-1,3...

CAS#:1750-78-3

Literature: Justus Liebigs Annalen der Chemie, , vol. 597, p. 157,165

 Customs

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

 Synonyms

MFCD00652824
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Chemsrc provides 5-(O-TOLYL)-1,3,4-OXADIAZOL-2-AMINE(CAS#:1750-78-3) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of 5-(O-TOLYL)-1,3,4-OXADIAZOL-2-AMINE are included as well.>> amp version: 5-(O-TOLYL)-1,3,4-OXADIAZOL-2-AMINE

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