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{"title":"Purity 99% Thiourea Powder Metal Surface Treatment Chemicals","imgUrl":"https:\/\/img.chinax.com\/nimg\/9a\/52\/d30655f3cd1b250c95aa3f702ee6-200x200-1\/purity_99_25_thiourea_powder_metal_surface_treatment_chemicals.jpg","attrs":{"Brand Name":"Riel Chemical","Model Number":"99%","Certification":"SGS, ISO9001, CE","Place of Origin":"Weifang"}}
{"title":"Cas Number 62-56-6 99% Thiourea White Crystal Particle For Electro Silvering","imgUrl":"https:\/\/img.chinax.com\/nimg\/e0\/65\/d294e410227a4738669241e0c2d1-200x200-1\/cas_number_62_56_6_99_25_thiourea_white_crystal_particle_for_electro_silvering.jpg","attrs":{"Brand Name":"Riel Chemical","Model Number":"99%","Certification":"SGS, ISO9001, CE","Place of Origin":"Weifang"}}
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{"title":"99.6% Thiourea Chemical Crystal Particle National Standard Industrial Grade","imgUrl":"https:\/\/img.chinax.com\/nimg\/15\/ca\/7a380a348d20336be0305a1b49fc-200x200-1\/99_6_25_thiourea_chemical_crystal_particle_national_standard_industrial_grade.jpg","attrs":{"Brand Name":"Riel Chemical","Model Number":"99%","Certification":"SGS, ISO9001, CE","Place of Origin":"Weifang"}}
{"title":"White Crystal 99% Thiourea Chemical Materials 1.41g\/Cm3 Thiourea Powder","imgUrl":"https:\/\/img.chinax.com\/nimg\/e0\/65\/d294e410227a4738669241e0c2d1-200x200-1\/white_crystal_99_25_thiourea_chemical_materials_1_41g_2fcm3_thiourea_powder.jpg","attrs":{"Brand Name":"Riel Chemical","Model Number":"99%","Certification":"SGS,ISO9001,CE","Place of Origin":"Weifang"}}
Thiourea 99% (CS(NH2)2) is a highly purified chemical compound classified as a dangerous chemical.
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 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
Detailed Physical and Chemical Properties
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 Characteristics
Weakly basic - reacts with acids to form salts
Reducibility - can be oxidized by oxidants
Complexation - forms complexes with metal ions (Ag+, Au+, Cu²+)
Thermal stability - decomposes when heated above melting point
Hydrolysis - produces urea and hydrogen sulfide under acidic/alkaline conditions
Industrial Applications
Chemical Raw Material: Used in synthesis of pharmaceuticals, dyes, resins, and rubber additives.
Metal Surface Treatment: Improves electroplating solutions and metal cleaning processes.
Chemical Analysis: Serves as complexing agent and masking agent in metal ion analysis.
Corrosion Inhibition: Forms protective films on metal surfaces in petrochemical applications.
Company Advantages
Technical: 20+ years experience in nitric acid production
Quality: Products exceed national standards with EU REACH certification
Industrial Chain: Complete production chain from nitric acid to final products
Market: Global distribution network across 20+ countries
Environmental: Energy-saving technologies and green manufacturing practices
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 timely deliveries while maintaining top product quality.
Do you provide free samples?
Yes, we provide free samples with the customer covering express fees.
How about the price? Can you make it cheaper?
We offer competitive pricing that can be negotiated based on order conditions.
Can I visit your company and factory in China?
Yes, we welcome visits to our facility in Weifang, China (with airport pickup service).
What if there is a quality problem?
Our professional after-sales team promptly addresses all 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... 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...
