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CAS No 62-56-6 , thiourea

  • Name: thiourea
  • Synonyms: Sulourea; Sulfourea; Pseudothiourea; thio-; 62-56-6;Thiocarbamide; Thiuronium; 2-Thiopseudourea; Urea; 2-Thiourea;thiourea;
  • CAS Registry Number:
  • Transport: UN 2877/2811
  • Melting Point: 171-175 ºC
  • Density: 1.405
  • Refractive index: 1.637 (30 C)
  • Water Solubility: 13.6 G/100 ML (20 ºC)
  • Safety Statements: R22;R40;R51/53;R63
  • Hazard Symbols: Xn: Harmful;N: Dangerous for the environment;
  • HS Code: 29309070
  • EINECS: 200-543-5
  • Molecular Weight: 76.12086
  • InChI: InChI=1S/CH4N2S/c2-1(3)4/h(H4,2,3,4)
  • Risk Statements: S36/37;S61
  • Molecular Formula: CH4N2S
  • Molecular Structure:CAS No:62-56-6 thiourea
References of thiourea
Title: Thiourea
CAS Registry Number: 62-56-6
Synonyms: Thiocarbamide
Molecular Formula: CH4N2S
Molecular Weight: 76.12
Percent Composition: C 15.78%, H 5.30%, N 36.80%, S 42.12%
Line Formula: H2NCSNH2
Literature References: Made by fusing ammonium thiocyanate: Powers and Powers, Mitchell, US 2552584; US 2560596 (both 1951 to Koppers); by treating cyanamide with hydrogen sulfide: Robin, Jr., US 2173067 (1940 to Am. Cyanamid); Lewis, US 2393917 (1946 to Monsanto); Van de Kamp, US 2357149 (1944 to Merck & Co.). Toxicity data: Dieke et al., J. Pharmacol. Exp. Ther. 90, 262 (1947).
Properties: Crystals, mp 176-178°. d 1.405. Soluble in 11 parts water, in alcohol; sparingly sol in ether. Neutral reaction. Forms addition compds with metallic salts. LD50 orally in wild Norway rats: 1830 mg/kg (Dieke).
Melting point: mp 176-178°
Density: d 1.405
Toxicity data: LD50 orally in wild Norway rats: 1830 mg/kg (Dieke)
CAUTION: Chronic administration in rats has resulted in hepatic tumors, bone marrow depression and goiters: Clinical Toxicology of Commercial Products, R. E. Gosselin et al., Eds. (Williams & Wilkins, Baltimore, 5th ed., 1984) Section II, p 350. This substance is reasonably anticipated to be a human carcinogen: Report on Carcinogens, Eleventh Edition (PB2005-104914, 2004) p III-250.
Use: In animal glue liquifiers and silver tarnish removers. Photographic fixing agent and to remove stains from negatives; manuf resins; vulcanization accelerator; a reagent for bismuth, selenite ions.