Product Name

  • Name

    Dithiobiuret

  • EINECS 208-784-8
  • CAS No. 541-53-7
  • Density 1.541g/cm3
  • Solubility
  • Melting Point 181 °C
  • Formula C2H5 N3 S2
  • Boiling Point 272.1°Cat760mmHg
  • Molecular Weight 135.214
  • Flash Point 118.3°C
  • Transport Information UN 2811
  • Appearance
  • Safety Poison by ingestion and intraperitoneal routes. When heated to decomposition it emits highly toxic fumes of SOx and NOx.
  • Risk Codes R26/27/28   
  • Molecular Structure Molecular Structure of 541-53-7 (Dithiobiuret)
  • Hazard Symbols
  • Synonyms Allophanimidicacid, dithio- (7CI); Biuret, 2,4-dithio- (6CI); Biuret, dithio- (8CI);2,4-Dithiobiuret; Dicarbonodithioimidic diamide; Dithiobiuret;Imidodicarbonimidothioic diamide; Imidodicarbonodithioic diamide; NSC 7761
  • PSA 128.25000
  • LogP 0.85470

DITHIOBIURET Chemical Properties

IUPAC: carbamothioylthiourea

MF: C2H5N3S2                                             
Synonyms: DITHIOBIURET ; DICARBONODITHIOIMIDIC DIAMIDE ; 2,4-DITHIOBIURET ; 2,4-dithio-biure ; 2-thio-1-(thiocarbamoyl)-ure ; dithio-allophanimidicaci ; dithio-biure ; dtb
Index of Refraction: 1.773
Molar Refractivity: 36.55 cm3
Boiling Point: 272.1 °C at 760 mmHgMolar Volume: 87.6 cm3
Vapour Pressure: 0.00622 mmHg at 25°C
Density: 1.541 g/cm3
General Description Crystalline solid. Used as a plasticizer, as a rubber accelerator, and as an intermediate in manufacturing of pesticides.

DITHIOBIURET Toxicity Data With Reference

1.   

orl-rat LD50:5 mg/kg

   JPETAB    Journal of Pharmacology and Experimental Therapeutics. 90 (1947),260.
2.   

ipr-rat LD50:29 mg/kg

   TXAPA9    Toxicology and Applied Pharmacology. 57 (1981),63.
3.   

ipr-mus LDLo:50 mg/kg

   NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) AD277-689 .

DITHIOBIURET Consensus Reports

Reported in EPA TSCA Inventory. EPA Extremely Hazardous Substances List.

DITHIOBIURET Safety Profile

Poison by ingestion and intraperitoneal routes. When heated to decomposition it emits highly toxic fumes of SOx and NOx.
Safety Information of DITHIOBIURET (541-53-7):
Hazard Codes : T+
T+:Very Toxic
Risk Statements:26/27/28 (Very Toxic by inhalation, in contact with skin and if swallowed  )
Safety Statements:22-28-36/37-45[ Do not breathe dust;After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer);Wear suitable protective clothing and gloves;In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) ]
RIDADR  :UN 2811 6.1/PG 1
WGK Germany : 3
RTECS :EC1575000
HazardClass : 6.1
PackingGroup:  I
Hazardous Substances Data :541-53-7(Hazardous Substances Data)

DITHIOBIURET Specification

Reactivity Profile  :Dithiobiuret is a thioamide, which may behave as a weak acid in solution and therefore will react with base foeming salts with production of heat. Dithiobiuret may react with acids and reducing agents to form toxic hydrogen sulfide gas. This may be vigorous depending on the nature of the reducing agent. Organic amides/imides react with azo and diazo compounds to generate toxic gases. The combustion of these compounds generates mixed oxides of nitrogen (NOx).

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