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{"title":"Industrial Grade Thiourea Pure Crystalline Powder Dry Place Storage","imgUrl":"https:\/\/img.chinax.com\/nimg\/bd\/99\/6a6fc77abbfdebe5aacde1d21659-200x200-1\/industrial_grade_thiourea_pure_crystalline_powder_dry_place_storage.jpg","attrs":{"Brand Name":"Riel Chemical","Place of Origin":"Weifang","Model Number":"99%","Certification":"SGS, ISO9001, CE"}}
{"title":"Cas 62-56-6 99 Thiourea 25Kg Bag For Petrochemical Engineering","imgUrl":"https:\/\/img.chinax.com\/nimg\/9a\/58\/4a40feff99f4e66b69c258b8cc4b-200x200-1\/cas_62_56_6_99_thiourea_25kg_bag_for_petrochemical_engineering.jpg","attrs":{"Brand Name":"Riel Chemical","Model Number":"99%","Certification":"SGS, ISO9001, CE","Place of Origin":"Weifang"}}
{"title":"Sulfourea Powder 25Kg Thiourea Chemical CH4N2S Cas No.62-56-6","imgUrl":"https:\/\/img.chinax.com\/nimg\/0d\/15\/977a32a6c9cbe9bd042d9eb3ebd3-200x200-1\/sulfourea_powder_25kg_thiourea_chemical_ch4n2s_cas_no_62_56_6.jpg","attrs":{"Brand Name":"Riel Chemical","Model Number":"99%","Certification":"SGS, ISO9001, CE","Place of Origin":"Weifang"}}
{"title":"Chemical 99% Sulfourea Powder CAS 62-56-6 Reduce Oil Oxygen Content","imgUrl":"https:\/\/img.chinax.com\/nimg\/02\/55\/ae0de06e7b3374fec39e884460e1-200x200-1\/chemical_99_25_sulfourea_powder_cas_62_56_6_reduce_oil_oxygen_content.jpg","attrs":{"Brand Name":"Riel Chemical","Model Number":"99%","Certification":"SGS, ISO9001, CE","Place of Origin":"Weifang"}}
{"title":"TU Thiourea 99 White Crystal Particle CAS Number 62-56-6 Water Free","imgUrl":"https:\/\/img.chinax.com\/nimg\/44\/a5\/bf0ee9c09aa4cee4fc906b26d5f6-200x200-1\/tu_thiourea_99_white_crystal_particle_cas_number_62_56_6_water_free.jpg","attrs":{"Brand Name":"Riel Chemical","Model Number":"99%","Certification":"SGS, ISO9001, CE","Place of Origin":"Weifang"}}
Highly Purified ≥ 99% Thiourea White Crystal Particle for Chemical Materials
Product Specifications
Attribute
Value
CAS
62-56-6
EINECS
200-543-5
Appearance
White crystal particle
Crystalline Hydrate
No crystal water
Density
1.41 g/cm³
Life span
Two years
Fusing point
176~178℃
Product Description
Highly purified ≥ 99% Thiourea (CS(NH2)2) white crystal particle, classified as a dangerous chemical.
Physical and Chemical Properties
Appearance: White or light yellow crystalline powder, glossy
Molecular weight: 76.12 g/mol
Density: 1.405 g/cm³ (20°C)
Melting point: 176-178°C (decomposition)
Chemical Safety: Class 6.1 toxic substances
Solubility: Soluble in water (about 13.7g/100 mL, 20°C), slightly soluble in ethanol
Acid-base properties: Weakly basic, can react with acids to form salts
Reducibility: Can be oxidized by oxidants like hydrogen peroxide, potassium permanganate
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 or alkaline conditions
Quality Standards (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°C
References: Riel Chemical Lab1&2, National public service platform for standards information.
Applications
Chemical Industry
Reducing agent for metal ions
Coordination agent for metal separation and purification
Intermediate for organic synthesis (thioamides, heterocyclic compounds)
Electroplating Industry
Plating additive to improve coating gloss and uniformity
Corrosion inhibitor to extend coating life
Medical Field
Intermediate for antibiotics, anti-thyroid drugs, and anti-cancer drugs
Antioxidant in pharmaceutical preparations
Agriculture
Component in fungicides and insecticides
Plant growth regulator
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?
We specialize in this product line with many years of experience. Our customers choose us because we consistently deliver on time while maintaining top quality.
Do you provide free samples?
Yes, we provide free samples. Customers only need to cover the express fee.
How about the price? Can you make it cheaper?
Customer benefit is our top priority. Prices are negotiable under different conditions, and we guarantee the most competitive pricing.
Can I visit your company and factory in China?
You are welcome to visit our company in Weifang, China. We provide airport pickup and drop-off services at Weifang Airport.
What if there is a quality problem?
We have a professional after-sales service team ready to promptly address 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... 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...