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99 Purity Thiourea Powder CS(NH2)2 Sulfourea For Plat Electroplate Polish
Product Overview
CAS 62-56-6 ≥99.0% Thiourea CS(NH2)2 Sulfourea for platinum electroplate polish applications.
Product Specifications
Attribute
Value
CAS
62-56-6
EINECS
200-543-5
UN
2811
Appearance
White glossy crystal
Crystalline hydrate
Water-free
Package
25Kg/BAG
Life span
Two years
Density
1.41 g/cm³
Molecular weight
76.121
PubChem CID
2723790
Key Attributes
Chemical formula: CS(NH2)2
Classification: Dangerous chemical (Class 6.1 toxic substances)
Appearance: White crystalline powder
Density: 1.405 g/cm³
Molecular weight: 76.12 g/mol
Melting point: 171-175°C
Boiling point: 349-352°F (176-178°C)
Quality Standards
No.
Test Parameter
Standard Value
1
Thiourea (CS(NH2)2) content
≥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
171°C
Chemical Properties
Thiourea is an organic sulfur compound structurally similar to urea, but with sulfur atoms replacing oxygen atoms. This structural difference results in significantly different chemical properties.
Key Characteristics:
Molecular weight: 76.12 g/mol
Appearance: White or light yellow crystalline powder, glossy
Odor: Odorless or slight sulfide odor
Density: 1.405 g/cm³ (20°C)
Melting point: 176-178°C (decomposition)
Solubility: Highly soluble in water (13.7g/100mL at 20°C), slightly soluble in ethanol
Chemical Safety: Class 6.1 toxic substance
Chemical Behavior
Acid-base properties: Weakly basic, forms salts with acids
Reducibility: Can be oxidized by strong oxidants
Complexation: Forms complexes with metal ions (Ag+, Au+, Cu²+)
Thermal stability: Decomposes above melting point
Hydrolysis: Forms urea and hydrogen sulfide under acidic/alkaline conditions
Applications
Primary Industrial Uses
Electroplating: Additive for bright and semi-bright plating processes
Metal treatment: Corrosion inhibitor and metal extraction agent
Chemical synthesis: Intermediate for resins, dyes, and pharmaceuticals
Photographic industry: Developer and fixer component
Metal extraction, corrosion inhibition, electroplating
Electronics
Plating additives, semiconductor processing
Agriculture
Plant growth regulator, pesticide formulations
Textile/Paper
Fabric treatment, paper bleaching
Analytical Chemistry
Reducing agent, complexing agent
Product Advantages
Quality Assurance
Strict quality control throughout production process
International certifications: ISO, REACH, RoHS compliant
Consistent batch-to-batch performance
Technical Capabilities
Experienced R&D team for product innovation
Customized solutions for specific applications
Continuous technological improvements
Environmental Commitment
Eco-friendly production processes
Sustainable product development
Resource recovery and recycling programs
Customer Support
Comprehensive technical support
Rapid response to inquiries
Global service network
Frequently Asked Questions
What is your payment term?
We accept T/T and L/C at sight as payment terms.
Are you able to deliver on time?
Yes, we specialize in this product line and maintain strict delivery schedules while ensuring top quality.
Do you provide free samples?
Yes, we provide free samples with the customer responsible for express shipping costs.
How about the price? Can you make it cheaper?
We prioritize customer value and offer competitive, negotiable pricing based on order specifics.
Can I visit your company and factory in China?
Yes, we welcome visits to our Weifang facility and provide airport transportation assistance.
What if there is a quality problem?
Our professional after-sales team promptly addresses any quality concerns.
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&D, product... 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&D, product...