Dithiobiuret

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Structural formula
Structural formula of dithiobiuret
General
Surname Dithiobiuret
other names

2,4-dithiobiuret

Molecular formula C 2 H 5 N 3 S 2
Brief description

white solid

External identifiers / databases
CAS number 541-53-7
EC number 208-784-8
ECHA InfoCard 100.007.987
PubChem 2758725
Wikidata Q5283662
properties
Molar mass 135.21 g mol −1
Physical state

firmly

density

1.54 g cm −3

Melting point

181-183 ° C

solubility

poorly soluble in water

safety instructions
GHS labeling of hazardous substances
06 - Toxic or very toxic

danger

H and P phrases H: 300
P: 264-301 + 310 + 330
Toxicological data

5 mg kg −1 ( LD 50 ,  rat ,  oral )

As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Dithiobiuret is a chemical compound from the group of thiourea derivatives .

Extraction and presentation

Dithiobiuret can be obtained by reacting calcium dicyanamide or dicyandiamide with hydrogen sulfide .

properties

Dithiobiuret is a flammable, hardly inflammable, crystalline, white solid that is sparingly soluble in water. It has a monoclinic crystal structure with the space group P 2 1 / c (space group no. 14) . Template: room group / 14

use

Dithiobiuret is used as an intermediate in the manufacture of pesticides .

Individual evidence

  1. ↑ a b c d e f g h Entry on dithiobiuret in the GESTIS substance database of the IFA , accessed on January 8, 2020(JavaScript required) .
  2. ↑ a b W. A. ​​Spofford, EL Amma: Crystal and molecular structure of dithiobiuret. In: Journal of Crystal and Molecular Structure. 2, 1972, p. 151, doi : 10.1007 / BF01275491 .
  3. ↑ Houben-Weyl Methods of Organic Chemistry Vol. VIII, 4th Edition Peroxides, Carbonic Acid Derivatives, Carboxylic Acids, Carboxylic Acid Derivatives . Georg Thieme Verlag, 2014, ISBN 978-3-13-180534-8 , p. 214 ( limited preview in Google Book search).
  4. ↑ Houben-Weyl Methods of Organic Chemistry Vol. E 4, 4th Edition Supplement Carbonic Acid Derivatives . Georg Thieme Verlag, 2014, ISBN 3-13-181144-7 , p. 1283 ( limited preview in Google Book search).
  5. ↑ Richard P. Pohanish: Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, 5th Edition . William Andrew, 2008, ISBN 978-0-8155-1904-1 , pp. 1072 ( limited preview in Google Book search).