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CAS No 56-10-0 , 2-(2-Aminoethyl)isothiourea dihydrobromide

  • Name: 2-(2-Aminoethyl)isothiourea dihydrobromide
  • Synonyms: S-(2-Aminoethyl)isothiouronium bromide hydrobromide;S-(2-Aminoethyl)isothio-uronium bromide hydrobromide; S-2-aminoethylthiouronium bromide hydrobromide; [AET;2-(2-Aminoethyl)isothiourea dihydrobromide; S-(2-Aminoethyl)isothio-uronium bromide hydrobromide]; 2-(2-Aminoethyl)-2-Thiopseudorea Dihydrobromide; AET~S-(2-Aminoethyl)isothiouronium bromide dihydrobromide; Antiradon; AET, DiHBr; S-(2-Aminoethyl)isothiourea dihydrobromide; Antirad;
  • CAS Registry Number:
  • Melting Point: 190-196 °C(lit.)
  • Flash Point: 93.6°C
  • Boiling Point: 231.1°Cat760mmHg
  • Density: g/cm3
  • Safety Statements: R22;R36/37/38
  • Hazard Symbols: Xn: Harmful;
  • Flash Point: 93.6°C
  • EINECS: 200-257-0
  • Molecular Weight: 281.01
  • InChI: InChI=1/C3H9N3S.2BrH/c4-1-2-7-3(5)6;;/h1-2,4H2,(H3,5,6);2*1H
  • Risk Statements: S22;S26;S36/37
  • Molecular Formula: C3H9N3S.2HBr
  • Molecular Structure:CAS No:56-10-0 2-(2-Aminoethyl)isothiourea dihydrobromide

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References of 2-(2-Aminoethyl)isothiourea dihydrobromide
Title: AET
CAS Registry Number: 56-10-0
CAS Name: Carbamimidothioic acid 2-aminoethyl ester dihydrobromide
Synonyms: 2-(2-aminoethyl)-2-thiopseudourea dihydrobromide; S-(2-aminoethyl)isothiuronium bromide hydrobromide; b-aminoethylisothiuronium bromide hydrobromide
Trademarks: Antiradon
Molecular Formula: C3H11Br2N3S
Molecular Weight: 281.01
Percent Composition: C 12.82%, H 3.95%, Br 56.87%, N 14.95%, S 11.41%
Literature References: Prepd by refluxing thiourea with 2-bromoethylamine HBr in isopropanol: Clinton et al., J. Am. Chem. Soc. 70, 950 (1948); Funahashi, Miyano, J. Agric. Chem. Soc. Jpn. 27, 775 (1953), C.A. 49, 15737b (1955); Doherty et al., J. Am. Chem. Soc. 79, 5667 (1957). Toxicity study: J. Pospisil et al., Cas. Lek. Cesk. 105, 1165 (1966), C.A. 67, 72261s (1967).
Properties: Crystals from abs ethanol + ethyl acetate, mp 194-195°. Hygroscopic, cakes together, and is converted in significant amounts of 2-aminothiazoline, a transformation that can be detected by a drop in melting point by as much as 30°. The animal organism appears to convert it to 2-mercaptoethylguanidine hydrobromide. LD50 in mice (mg/kg): 100 i.v., 280 s.c., 480 i.p., 1600 orally (Pospisil).
Melting point: mp 194-195°
Toxicity data: LD50 in mice (mg/kg): 100 i.v., 280 s.c., 480 i.p., 1600 orally (Pospisil)
Therap-Cat: Radioprotective agent.