Thiourea

1.Molecular Formula: (NH2)2CS

2.Molecular weight: 76.12
3.Property: White needle crystal.Bitter, Burning Proportion:1.046,

Melting point:170-182°C. Cold water soluble, Ammonium thiocyanate Solution and ethanol, almost insoluble in ether.

4. Specification: (HG/T3266-2002)

Index	Excellent Grade	First Grade	Qualified Grade
Main Content % ≥	99.00	98.50	98.00
Heating Loss % ≤	0.40	0.50	1.00
Ash content % ≤	0.10	0.15	0.30
Water insolubilities % ≤	0.02	0.05	0.10
Thiocyanate(counted with CNS) % ≤	0.02	0.05	0.10
Melting Point °C ≥	171	170	------

5. Application:
1.Used in producing Thiourea Dioxide，replacing Sodium Hydrosulfite
2. Used as flotation agent in gold mine
3. Used as bleaching agent, coloring agent and antioxidant in textile industry
4. Used as rubber vulcanization accelerator in rubber industry.
5. Used as developing or fixation stabilizer in photographic materials industry.
6. Used as electroplating additives in electroplating industry which can enhance the stability of electroplate liquid and guarantee uniformly glossy surface
7. Used as raw materials for resin molding powder in coating industry.
8. Used as chemical reagent in chemistry.
9. also can be used in printing paper and cleaning dirt of high-pressure boiler.

6. Safety Information:

DG Class 6.1

UN NO.: 2811

7. Package and storage:

25Kg plastic woven bags or 1000Kg bags, or pallet with shrink-wrapped.

Store in dry and covered place.

← Sulphur Black

Potassium Hydroxide →

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Thiourea

Thiourea