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CAS 62-56-6 55.12 lb Sulfourea for reducing oil oxygen content.
Key Attributes
Products: Thiourea 99%, CS(NH2)2, belongs to dangerous chemicals.
Physical and Chemical Properties
Appearance: white crystal powder
Density: 1.405
Molecular weight: 76.12
Melting point: 171-175℃
Boiling point: 349 to 352°F (NTP, 1992)
Production Standard
CAS: 62-56-6
Products meets GB/8218-2018:
No.
Items for detecting and analyzing
Standard value
1
Thiourea (CS(NH2)2) %≥
99.0
2
Heating interval %≤
0.35
3
Chemical moisture %≤
0.01
4
Water insoluble %≤
0.02
5
Thiocyanate (CNS) %≤
0.02
6
Melting point (centigrade)
171 OC
Physical and Chemical Properties of Thiourea
Molecular weight
76.12 g/mol
Appearance
White or light yellow crystalline powder, glossy
Odor
Odorless or slightly sulphide odor
Density
1.405 g/cm³ (20°C)
Chemical Safety
Class 6.1 toxic substances
Solubility
Water: soluble in water (about 13.7g /100 mL, 20°C) Ethanol: slightly soluble in ethanol
Acid base
Thiourea is weakly basic and can react with acids to form salts
Reducibility
Thiourea has a certain reducibility and can be oxidized by oxidants (such as hydrogen peroxide, potassium permanganate)
Complexation
Thiourea forms complexes with metal ions (e.g. Ag +, Au +, Cu² +) and is often used in metal extraction and electroplating industries
Thermal stability
When heated above the melting point, it decomposes, producing ammonia, hydrogen sulfide and other gases
Hydrolysis reaction
Hydrolysis under acidic or alkaline conditions to produce urea and hydrogen sulfide
Applications of Thiourea in Chemical Industry
Thiourea has a wide range of applications in the chemical industry, including:
1. Electroplating Industry
Silver plating, gold plating: thiourea as an additive in the plating solution, can improve the uniformity and gloss of the coating
Corrosion inhibitor: In the process of metal pickling and rust removal, thiourea is used as a corrosion inhibitor to reduce the corrosion of acid to the metal matrix
2. Mineral Processing Industry
Flotation agent: Thiourea is used as a collector or inhibitor in the flotation of metal ores, especially in the flotation process of copper, lead, zinc and other sulfide ores to improve metal recovery
Precious metal extraction: In the extraction process of gold and silver, thiourea can be used as a leaching agent to replace traditional cyanide and reduce environmental pollution
3. Resin and Plastics Industry
Resin modification: thiourea is used to modify phenolic resin and urea-formaldehyde resin to improve its heat resistance and mechanical properties
Plastic additives: as stabilizers or antioxidants, extend the service life of plastic products
4. Chemical Synthesis
Intermediates: thiourea is an important intermediate for the synthesis of a variety of fine chemicals, used in the production of medicine, pesticides, dyes and so on
Vulcanizing agent: In the rubber industry, thiourea is used as a vulcanization accelerator to enhance the elasticity and durability of rubber
5. Environmental Protection
Wastewater treatment: Thiourea is used to remove heavy metal ions (such as mercury, cadmium, lead, etc.) from wastewater by forming stable complex precipitation
Waste gas treatment: Thiourea can be used to remove sulfur dioxide (SO₂) and nitrogen oxides (NOₓ) from industrial waste gas
6. Battery Industry
Electrolyte additive: In lead-acid batteries and lithium-ion batteries, thiourea is used as an additive to the electrolyte to improve battery charging and discharging performance and cycle life
Battery recycling: In the recycling process of used batteries, thiourea is used to extract valuable metals (such as cobalt, nickel, etc.)
7. Textile Industry
Dye additives: thiourea is used as a dye additive to improve dyeing effect and color fastness
Flame retardants: In some textiles, thiourea can be used as a raw material for flame retardants
8. Photography Industry
Developer: Thiourea is used in the development process of black and white photos to speed up the development reaction
9. Laboratory and Scientific Research
Analytical reagents: Thiourea is used to detect metal ions (such as bismuth, antimony, etc.) and organic compounds
Protein research: In biochemistry, thiourea is used for the denaturation and renaturation of proteins
10. Other Applications
Preservative: Thiourea is used as a preservative in some industrial products to extend their service life
Functional materials: thiourea can be used to synthesize functional materials with special optical, electrical or magnetic properties
Frequently Asked Questions
1. What is your payment term?
We can accept T/T and L/C at sight as payment term.
2. Are you able to deliver on time?
Of course! We specialized in this line for many years, many customer make a deal with us because we can deliver the goods on time and keep the goods top quality!
3. Do you provide free sample?
Yes, we can provide free sample. You only need to take the express fee.
4. How about the price? Can you make it cheaper?
We always take the customer's benefit as the top priority. Price is negotiable under different conditions, we are assuring you to get the most competitive price.
5. Can I visit your company and factory in China?
Sure. You are very welcomed to visit our company in Weifang, China. (We will have someone responsible for picking up and dropping off at Weifang Airport)
6. What if there is a quality problem?
We have a professional and perfect after-sales service team, timely for you to deal with all problems.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2005
Total Annual:
4500000-5000000
Employee Number:
120~200
Ecer Certification:
Verified Supplier
Riel Chemicals – Leading Enterprise in Basic Chemical Manufacturing
Who we are ?
Established in 2005 and headquartered in Weifang City, Shandong Province—a hub of China’s chemical industry—Riel Chemicals is a national high-tech enterprise specializing in the R... Riel Chemicals – Leading Enterprise in Basic Chemical Manufacturing
Who we are ?
Established in 2005 and headquartered in Weifang City, Shandong Province—a hub of China’s chemical industry—Riel Chemicals is a national high-tech enterprise specializing in the R...