MachineU > China Products
99% Sulfourea 62 56 6 Cas White Crystal Particle For Electro Silvering
99% Sulfourea 62 56 6 Cas White Crystal Particle For Electro Silvering
99% Sulfourea 62 56 6 Cas White Crystal Particle For Electro Silvering
99% Sulfourea 62 56 6 Cas White Crystal Particle For Electro Silvering
99% Sulfourea 62 56 6 Cas White Crystal Particle For Electro Silvering
99% Sulfourea 62 56 6 Cas White Crystal Particle For Electro Silvering
Specifications
Brand Name :
Riel Chemical
Model Number :
99%
Certification :
SGS, ISO9001, CE
Place of Origin :
Weifang
MOQ :
1 ton
Price :
USD 900～1100 FOB
Payment Terms :
T/T , L/C
Supply Ability :
50 tons per day
Delivery Time :
3～5 work day
Packaging Details :
25 kg polyethylene woven bag, moisture-proof, easy to transport
CAS :
62-56-6
EINECS :
200-543-5
Appearance :
White glossy crystal
Crystalline hydrate :
Water-free
Available port :
Qingdao Port, Tianjin Port, Shanghai Port, Lianyungang Port, Fujian Port, Guangzhou Port
Life span :
Two years
Density :
1.41 g/cm³
Molecular weight :
76.121
Refractive index :
1.654
Description
99% Cas.62-56-6 Sulfourea White Crystal Particle For Electro Silvering
Product Specifications
Attribute Value
CAS 62-56-6
EINECS 200-543-5
Appearance White glossy crystal
Crystalline hydrate Water-free
Available port Qingdao Port, Tianjin Port, Shanghai Port, Lianyungang Port, Fujian Port, Guangzhou Port
Life span Two years
Density 1.41 g/cm³
Molecular weight 76.121
Refractive index 1.654
Product Description

99% Cas.62-56-6 Sulfourea White Crystal Particle is a high-purity chemical compound primarily used for electro silvering applications.

Key Attributes
  • Product Name: Thiourea 99% (CS(NH2)2)
  • Classification: Dangerous chemical
  • Appearance: White crystal powder
  • Density: 1.405 g/cm³
  • Molecular weight: 76.12 g/mol
  • Melting point: 171-175°C
  • Boiling point: 349-352°F (NTP, 1992)
Production Standard

CAS: 62-56-6
Product meets GB/8218-2018 standard:

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°C
99% Sulfourea 62 56 6 Cas White Crystal Particle For Electro Silvering 99% Sulfourea 62 56 6 Cas White Crystal Particle For Electro Silvering
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)
Melting point
176-178°C (decomposition)
Chemical Safety
Class 6.1 toxic substances
Solubility in water
About 13.7g/100 mL (20°C)
Solubility in ethanol
Slightly soluble
Chemical Properties
  • Acid base: Weakly basic, can react with acids to form salts
  • Reducibility: Can be oxidized by oxidants (hydrogen peroxide, potassium permanganate)
  • Complexation: Forms complexes with metal ions (Ag+, Au+, Cu²+)
  • Thermal stability: Decomposes when heated above melting point, producing ammonia and hydrogen sulfide
  • Hydrolysis reaction: Hydrolyzes under acidic/alkaline conditions to produce urea and hydrogen sulfide
99% Sulfourea 62 56 6 Cas White Crystal Particle For Electro Silvering
Applications of Thiourea in Chemical Industry
1. Metal Surface Treatment and Plating
  • Plating additives: Brightener/leveling agent for silver, gold, and zinc plating processes
  • Acid copper plating: Inhibits copper ion precipitation, improves coating binding force
  • Metal corrosion inhibitor: Added to pickling solutions (hydrochloric/sulfuric acid) to slow corrosion
2. Rubber and Plastics Industry
  • Vulcanization accelerator: Precursor for secondary sulfonamide accelerators
  • Plastic stabilizer: Used in PVC to inhibit thermal degradation and oxidation
3. Synthesis of Medicine and Pesticides
  • Pharmaceutical intermediates: Key ingredient for sulfur-containing drugs
  • Pesticide synthesis: Intermediate for insecticides, fungicides, and herbicides
4. Chemical Synthesis and Catalyst
  • Reducing agent: Reduces nitro compounds to amino compounds
  • Sulfur sources and ligands: Used for synthesis of thioamide and thiocarbamate
5. Textile and Printing Industry
  • Printing and dyeing auxiliary: Reducing agent for vat dye leucochromes
  • Flame retardant precursors: For synthetic sulfur-containing flame retardants
6. Environmental Protection and Resource Recycling
  • Heavy metal adsorption: Forms complexes with heavy metal ions in wastewater
  • Flue gas desulfurization: Auxiliary absorber to enhance desulfurization efficiency
7. Other Applications
  • Photosensitive material: Component in photographic development solutions
  • Analytical Chemistry: Masking agent or color developing agent for metal ion analysis
99% Sulfourea 62 56 6 Cas White Crystal Particle For Electro Silvering 99% Sulfourea 62 56 6 Cas White Crystal Particle For Electro Silvering
Product Advantages of Riel Chemical
1. Technological Innovation and R&D Capability
  • Core technology with independent intellectual property rights
  • Customized solutions for different industry requirements
2. Product Quality and Performance
  • High purity and stability meeting ISO 9001 standards
  • Excellent performance in high temperature and corrosion resistance
3. Environmental Protection and Sustainable Development
  • Green production technology complying with REACH, RoHS regulations
  • Waste recycling and resource utilization systems
4. Market Adaptability and Application Fields
  • Diversified product line covering multiple industries
  • Advance layout for emerging markets like solid-state batteries
5. Cost and Supply Chain Advantages
  • Large-scale production with optimized processes
  • Global production bases ensuring supply chain security
6. Service and Technical Support
  • Full technical support from selection to after-sales
  • Efficient logistics system for timely delivery
7. Industry Certification and Customer Recognition
  • Products certified by FDA, UL, SEMI
  • Long-term service for global enterprises with strong reputation
Frequently Asked Questions
1. What is your payment term?

We accept T/T and L/C at sight as payment terms.

2. Are you able to deliver on time?

Yes, we specialize in this product line and guarantee timely delivery while maintaining top quality.

3. Do you provide free sample?

Yes, we provide free samples with the customer responsible for express fees.

4. How about the price? Can you make it cheaper?

We prioritize customer benefits and offer competitive, negotiable pricing based on order conditions.

5. Can I visit your company and factory in China?

Yes, you're welcome to visit our Weifang facility. We provide airport pickup/drop-off service.

6. What if there is a quality problem?

Our professional after-sales team promptly addresses all quality concerns.

Send your message to this supplier
Send Now

99% Sulfourea 62 56 6 Cas White Crystal Particle For Electro Silvering

Ask Latest Price
Product Detail
Brand Name :
Riel Chemical
Model Number :
99%
Certification :
SGS, ISO9001, CE
Place of Origin :
Weifang
MOQ :
1 ton
Price :
USD 900～1100 FOB
Contact Supplier
99% Sulfourea 62 56 6 Cas White Crystal Particle For Electro Silvering
99% Sulfourea 62 56 6 Cas White Crystal Particle For Electro Silvering
99% Sulfourea 62 56 6 Cas White Crystal Particle For Electro Silvering

Riel Chemical Co., Ltd.

Verified Supplier
1 Years
shandong, weifang
Since 2005
Business Type :
Manufacturer, Exporter
Main Products :
Thiourea, Thiourea Chemical, Trisodium Phosphate
Total Annual :
4500000-5000000
Employee Number :
120~200
Certification Level :
Verified Supplier
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products Thiourea Chemical
MachineU China Products
Contact Supplier
Submit Requirement