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HCID 19909Erstellt: 26. Oktober 2026

1,3,4-Thiadiazol-2-amin

1,3,4-THIADIAZOL-2-AMINE · 1,3,4-Thiadiazole-2-Amine · 5-nitro-1,3,4-thiadiazol-2-aMine · X 26 · tf128 · TF 128 · nsc4728 · FDA 0084

https://huagongshe.com/de/chemical/19909

Molekülstruktur von 1,3,4-Thiadiazol-2-amin

Identifikatoren & physikalische Daten

CAS No.4005-51-0
SummenformelC2H3N3S
Durchschnittliche Molmasse101,13 g/mol
Monoisotopische Masse101,0047681 g/mol
SMILESNc1nncs1
InChIKeyQUKGLNCXGVWCJX-UHFFFAOYSA-N
PubChem CID19909
ChEMBLCHEMBL1650237
EC No.223-657-7
DTXSIDDTXSID50193113
Lokaler Name1,3,4-Thiadiazol-2-amin

Chemische & physikalische Eigenschaften

XLogP-0,6
Polarare Oberfläche (TPSA)80
H-Brücken-Donoren1
H-Brücken-Akzeptoren4
Frei drehbare Bindungen0
Schwere Atome6
Formalladung0
Komplexität48,1
Löslichkeit0.1 N HCL 22 (mg/mL)4.0 N HCL 400 (mg/mL)Water 20 (mg/mL)Ethanol 17 (mg/mL)Chloroform 0.35 (mg/mL)Benzene < 0.05 (mg/mL)water: soluble25mg/mL, clear, colorlessIt is soluble in water, hot methanol- very faint turbidity.
Stability/Shelf LifeBulk: A sample stored for four weeks at 60 ° C showed no decomposition (UV,TLC). Solution: A solution (10 mg/mL) showed no decomposition after twenty -four hours at room temperature (UV,TLC).
Schmelzpunkt188-191 °C (dec.) (lit.)
Siedepunkt238.9±23.0 °C(Predicted)
Dichte1.385 (estimate)
Brechungsindex1.5800 (estimate)
LagerbedingungenKeep in dark place,Sealed in dry,Room Temperature
AggregatzustandCrystals or Crystalline Powder
pKa (Säurekonstante)pKa 3.2 (Uncertain)
FarbeWhite to light yellow
BRN107135
InChI1S/C2H3N3S/c3-2-5-4-1-6-2/h1H,(H2,3,5)
InChIKeyQUKGLNCXGVWCJX-UHFFFAOYSA-N
SMILESNc1nncs1
CAS Datenbank4005-51-0(CAS DataBase Reference)
NIST chemische Informationen2-Amino-1,3,4-thiadiazole(4005-51-0)

Sicherheit & Vorschriften

GHS-EinstufungDangerH301 (10.6%): Toxic if swallowed [Danger Acute toxicity, oral]P203, P261, P264, P264+P265, P270, P271, P280, P301+P316, P301+P317, P302+P352, P304+P340, P305+P351+P338, P318, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 47 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesAcute Tox. 3 (10.6%)
Toxicity DataRat(ip): LD50 200 mg/kgRat(sc): LD50 200 mg/kg
Wassergefährdungsklasse (WGK)3
UN-Transportnummer2811
Zollcode29349990
RTECS-Nr.XI3000000
R-Sätze (R)68-63-36/37/38-20/21/22-22
ToxizitätLD50 oral in rat: 253mg/kg
GefahrensymboleXn,Xi
hazard_noteHarmful
Sicherheitshinweise (S)36/37/39-26-36
Gefahrenklasse6.1Acute Tox. 4 OralEye Irrit. 2Skin Irrit. 2STOT SE 3
VerpackungsgruppeIII
Lagerklasse11 - Combustible Solids

Anwendungen & Verwendung

Verwenden

2-Amino-1,3,4-thiadiazole, is used as an intermediate for ceftraoline.