Riel Chemical Co., Ltd.
| 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 |
| 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 |
| Brand Name | Riel Chemical |
| Model Number | 99% |
| Certification | SGS, ISO9001, CE |
| Place of Origin | Weifang |
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Product Specification
| 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 |
| 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 |
| Brand Name | Riel Chemical | Model Number | 99% |
| Certification | SGS, ISO9001, CE | Place of Origin | Weifang |
| High Light | 25Kg Thiourea 99 ，Thiourea 99 Crystal ，99 Crystal CAS 62 56 6 | ||
CAS 62-56-6 Thiourea 99 Crystal is a high-purity organic sulfur compound used as an electroplating additive. This white glossy crystalline product meets GB/8218-2018 standards with 99% purity and excellent stability.
| Attribute | Value |
|---|---|
| CAS | 62-56-6 |
| EINECS | 200-543-5 |
| UN | 2811 |
| Appearance | White glossy crystal |
| Package | 25Kg/BAG |
| Life span | Two years |
| Density | 1.41 g/cm³ |
| Molecular weight | 76.121 |
| No. | Test Item | 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 (°C) | 171 |
Thiourea (SC(NH2)2) is an organic sulfur compound structurally similar to urea but with sulfur atoms replacing oxygen atoms. This substitution results in significantly different properties, making thiourea valuable as an organic synthesis reagent and electroplating additive.
| 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) |
| Chemical Safety | Class 6.1 toxic substances |
With over 20 years of nitric acid production experience, Riel Chemical delivers stable, high-quality products exceeding national standards for rare earth, electronics, and reagent industries.
Our products undergo strict quality control, achieving EU REACH certification. We prioritize green manufacturing through resource recycling and waste reduction initiatives.
Complete production chain from nitric acid to potassium nitrate, magnesium nitrate, and water-soluble fertilizers enhances efficiency and market competitiveness.
Products exported to 20+ countries including Middle East, Western Europe, Southeast Asia, and the United States.
We accept T/T and L/C at sight payments.
Yes, our extensive experience ensures timely delivery while maintaining top product quality.
Yes, we offer free samples with the customer responsible for express shipping costs.
We offer competitive pricing tailored to specific order requirements.
Visitors are welcome at our Weifang facility, with airport transportation provided.
Our professional after-sales team promptly addresses all quality concerns.
Company Details
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...
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