Thiourea manufacturers and suppliers

Thiourea suppliers

Properties

Melting point:: 170-176 °C (lit.)

Boiling point:: 263.89°C (estimate)

Density: 1.405

refractive index: 1.5300 (estimate)

storage temp.: Store below +30°C.

solubility: water: soluble137g/L at 20°C

form: Crystals

pka: -1.0(at 25℃)

color: White to almost white

Specific Gravity: 1.406

Odor: Odorless

PH Range: 5 - 7

PH: 6-8 (50g/l, H2O, 20℃)

Water Solubility: 13.6 g/100 mL (20 ºC)

Merck: 14,9367

BRN: 605327

Stability:: Stable. Incompatible with strong acids, strong bases, strong oxidizing agents, metallic salts, proteins, hydrocarbons. May react violently with acrolein.

InChIKey: UMGDCJDMYOKAJW-UHFFFAOYSA-N

LogP: -1.050 (est)

Safety Information

Symbol(GHS): GHS07,GHS08,GHS09

Signal word: Warning

Hazard statements: H302-H351-H361fd-H411

Precautionary statements: P201-P202-P264-P273-P301+P312-P308+P313

Hazard Codes: Xn,N,Xi

Risk Statements: 22-40-51/53-63-43-38

Safety Statements: 36/37-61

RIDADR: UN 2811 6.1/PG 3

WGK Germany: 2

RTECS: YU2800000

Autoignition Temperature: 440 °C Dust

TSCA: Yes

HazardClass: 6.1

PackingGroup: III

HS Code: 29309070

Toxicity: LD50 orally in wild Norway rats: 1830 mg/kg (Dieke)

Use

Thiocarbamide is a white crystalline material or powder, toxic, carcinogenic. When heated to decomposition Thiocarbamide emits very toxic fumes of oxides of sulfur and oxides of nitrogen. Violent exothermic polymerization reaction with acrylaldehyde (acrolein) [MCA SD-85, 1961], violent decomposition of the reaction product with hydrogen peroxide and nitric acid [Bjorklund G. H. et al., Trans. R. Soc. Can.,1950, 44, p. 28], spontaneous explosion upon grinding with potassium chlorate [Soothill, D., Safety Management, 1992, 8(6), p. 11].

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