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1456-21-9

1456-21-9 structure
1456-21-9 structure
  • Name: 2,5-Diphenyl-1,3,4-thiadiazole
  • Chemical Name: 2,5-Diphenyl-1,3,4-thiadiazole
  • CAS Number: 1456-21-9
  • Molecular Formula: C14H10N2S
  • Molecular Weight: 238.30800
  • Create Date: 2018-12-19 17:21:35
  • Modify Date: 2025-08-25 10:36:09
Name 2,5-Diphenyl-1,3,4-thiadiazole
Synonyms 2,5-Diphenylthiadiazole
2,5-Difenil-1,3,4-tiadiazolo [Italian]
2,5diPhThadiazo
Diphenyl-[1,3,4]thiadiazol
1,3,4-THIADIAZOLE,2,5-DIPHENYL
2,5-diphenyl-[1,3,4]thiadiazole
2,4-DINITROPHENYL DIPHENYLAMINE,ORANGE SOLID
2,5-Diphenyl-{1,3,4}thiadiazol
diphenyl-[1,3,4]thiadiazole
L 1540
Density 1.216g/cm3
Boiling Point 403.1ºC at 760 mmHg
Molecular Formula C14H10N2S
Molecular Weight 238.30800
Flash Point 189.2ºC
Exact Mass 238.05600
PSA 54.02000
LogP 3.87210
Vapour Pressure 2.44E-06mmHg at 25°C
Index of Refraction 1.633

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XI3800000
CHEMICAL NAME :
1,3,4-Thiadiazole, 2,5-diphenyl-
CAS REGISTRY NUMBER :
1456-21-9
BEILSTEIN REFERENCE NO. :
0170386
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C14-H10-N2-S
MOLECULAR WEIGHT :
238.32
WISWESSER LINE NOTATION :
T5NN DSJ CR& ER

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
241 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Cardiac - other changes Lungs, Thorax, or Respiration - other changes
REFERENCE :
FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 13,187,1958
HS Code 2934999090
HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
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