CAS No.541-53-7,Dithiobiuret Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	541-53-7
Name:	Dithiobiuret

Formula:	C2H5 N3 S2
Molecular Weight:	135.214
Synonyms:	Allophanimidicacid, dithio- (7CI); Biuret, 2,4-dithio- (6CI); Biuret, dithio- (8CI);2,4-Dithiobiuret; Dicarbonodithioimidic diamide; Dithiobiuret;Imidodicarbonimidothioic diamide; Imidodicarbonodithioic diamide; NSC 7761
EINECS:	208-784-8
Density:	1.541g/cm³
Melting Point:	181 °C
Boiling Point:	272.1°Cat760mmHg
Flash Point:	118.3°C
Hazard Symbols:
Risk Codes:	R26/27/28
Safety:	Poison by ingestion and intraperitoneal routes. When heated to decomposition it emits highly toxic fumes of SO_x and NO_x.
Transport Information:	UN 2811
PSA:	128.25000
LogP:	0.85470

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Chemistry

IUPAC: carbamothioylthiourea

MF: C₂H₅N₃S₂Synonyms: 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 cm³Boiling Point: 272.1 °C at 760 mmHgMolar Volume: 87.6 cm³Vapour 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.

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 .

Consensus Reports

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

Safety Profile

Poison by ingestion and intraperitoneal routes. When heated to decomposition it emits highly toxic fumes of SO_x and NO_x.
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)

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).