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CAS No 463-56-9 , thiocyanic acid

  • Name: thiocyanic acid
  • Synonyms: nitridosulfanidocarbon;thiocyanic acid; HS-C#N; SCN; HSCN; Sulfocyanide;CHEBI:29200; Sulfocyanic acid; hydrogen thiocyanate; 463-56-9;
  • CAS Registry Number:
  • Melting Point: -110
  • Flash Point: 42.1°C
  • Boiling Point: 146°Cat760mmHg
  • Density: 1.126g/cm3
  • Refractive index: 1.464
  • Safety Statements:
    Hazard Codes Xn
    Risk Statements 20/21/22-32-52/53
    Safety Statements 13-61
  • Hazard Symbols: Xn: Harmful;
  • Flash Point: 42.1°C
  • EINECS: 207-337-4
  • Molecular Weight: 59.09034
  • InchiKey: ZMZDMBWJUHKJPS-UHFFFAOYSA-N
  • InChI: InChI=1S/CHNS/c2-1-3/h3H
  • Risk Statements: 20/21/22-32-52/53
  • Molecular Formula: CHNS
  • Molecular Structure:CAS No:463-56-9 thiocyanic acid

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463-56-9 THIOCYANATESTANDARD SOLUTION1ML=0.1MGCNS

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463-56-9 THIOCYANIC ACID

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References of thiocyanic acid
Title: Thiocyanic Acid
CAS Registry Number: 463-56-9
Synonyms: Hydrogen thiocyanate; Rhodanwasserstoffs?ure (German)
Molecular Formula: CHNS
Molecular Weight: 59.09
Percent Composition: C 20.33%, H 1.71%, N 23.70%, S 54.26%
Line Formula: HSCN
Literature References: Thiocyanic acid is believed to be a tautomeric mixture of HSCN and HNCS (isothiocyanic acid): Beard, Dailey, J. Chem. Phys. 18, 1437 (1950). Conveniently prepd in the laboratory from KNCS + KHSO4: Birckenbach, Bucher, Ber. 73, 1153 (1940). Dil aq solns may be prepd from ammonium thiocyanate by the action of ion exchange resins: Klement, Z. Anorg. Allg. Chem. 260, 268 (1949). Toxicology of organic thiocyanates: Y. Yokoi, Jpn. J. Pharmacol. 3, 99 (1954), C.A. 48, 13965f (1954).
Properties: Colorless gas or white solid depending upon degree of polymerization. Freely sol in water. Very strong acid. A 5% aq soln may be kept refrigerated for several weeks. Also sol in some organic solvents.
 
Derivative Type: Ethyl ester
Synonyms: Ethyl thiocyanate; ethyl sulfocyanate
Molecular Formula: C3H5NS
Molecular Weight: 87.14
Percent Composition: C 41.35%, H 5.78%, N 16.07%, S 36.80%
Properties: Liquid. d423 1.007. bp 146°. nD15 1.4684. Insol in water. Misc with alcohol, ether. MLD in mice (mg/kg): 52 orally; 39.1 s.c.; 18.3 i.p.; 6 i.v. (Yokoi).
Boiling point: bp 146°
Index of refraction: nD15 1.4684
Density: d423 1.007
Toxicity data: MLD in mice (mg/kg): 52 orally; 39.1 s.c.; 18.3 i.p.; 6 i.v. (Yokoi)