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Ahmed KhanI'm a trader from Pakistan. I have bought sodium hempetaphosphate with Manager Hu and worked with him for 3 times. THKs Hu, now I have become a local agent. Riel Chemical is indeed a trusted partner. Highly recommended for friends who need high quality chemical products. -
Maria J GarciaOverall, I was impressed. Whether it is product details or service response speed, it is done very well, and customers are satisfied. Warmly tips: Could you guys add more payment methods？that would be great. -
LabrekeoLa vitesse de livraison est très satisfaisante et presque aucune inquiétude. Chaque fois que la coopération fonctionne sans à-coup. Recommandez sincèrement à d’autres acheteurs! -
محمد لاگولدشریک خوب، پیدا کردن چنین تامین کننده ای عالی است، برای شما آرزوی موفقیت دارم -
JackThe cooperation with Riel Chemical Co., Ltd. is our most sensible choice. Your team's efficiency, professionalism and innovative spirit are impressive, and we are looking forward to further cooperation in the future! -- Jack Sales manager -
ອາ ລິ ສໄປ ຈົນ ສຸດ ຂີດ, ຂອບ ໃຈ ຫລາຍໆ ທີ່ ມີ ທ່ານ! ບໍ່ ວ່າ ຈະ ເປັນ ການ ສະຫນັບສະຫນູນ ຢ່າງ ເຕັມທີ່ ໃນ ເວລາ ທີ່ ສໍາຄັນ ຫລື ການ ເອົາ ໃຈ ໃສ່ ຢ່າງ ລະມັດລະວັງ ຕໍ່ ລາຍ ລະອຽດ ຂອງ ການ ຮັບ ໃຊ້ ປະຈໍາ ວັນ, ເຮົາ ຮູ້ສຶກ ວ່າ ໄດ້ ຮັບ ຄວາມ ໄວ້ ວາງ ໃຈ. ຂໍ ໃຫ້ ມິດຕະພາບ ຍືນ ຍົງ ຕະຫລອດ ໄປ ແລະ ການ ຮ່ວມ ໄມ້ ຮ່ວມ ມື ຈະ ຍືນ ຍົງ ຕະຫລອດ ໄປ ——[ທີມການຄ້າເຄມີຂອງລາວ] -
Mr. ZhaoWe have been cooperating with Riel Chemical for five years. The product quality has always been perfect and the usage effect is good. Your company's sales manager is also particularly polite
Cas No.62-56-6 Ninety Nine Percent Thiourea For Metal Surface Treatment Chemicals
| Place of Origin | Weifang |
|---|---|
| Brand Name | Riel Chemical |
| Certification | SGS, ISO9001, CE |
| Model Number | 99% |
| Minimum Order Quantity | 1 ton |
| Price | USD 900～1100 FOB |
| Packaging Details | 25 kg polyethylene woven bag, moisture-proof, easy to transport |
| Delivery Time | 3～5 work day |
| Payment Terms | T/T , L/C |
| Supply Ability | 50 tons per day |
Contact me for free samples and coupons.
WhatsApp:0086 18588475571
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Skype: sales10@aixton.com
If you have any concern, we provide 24-hour online help.
xProduct Details
| 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 |
| Acid-basicity | Alkalescence | Security Description | S36/37；S61 |
| Highlight | 62-56-6 thiourea,62-56-6 cas 62 56 6,white thiourea |
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| Mode of loading | Maximum load | |
|---|---|---|
| 20 GP no pallet | 18 tons | |
| 20 GP with pallet | 15 tons |
Product Description
Cas No.62-56-6 Ninety Nine Percent Thiourea For Metal Surface Treatment Chemicals
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 |
| Acid-basicity | Alkalescence |
| Security description | S36/37；S61 |
Key Attributes
- Product: Thiourea 99%, CS(NH2)2 (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 (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 |
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:
- Water: soluble (about 13.7g/100 mL, 20°C)
- Ethanol: slightly soluble
- Acid base: Weakly basic, forms salts with acids
- 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
Applications of Thiourea in Chemical Industry
- Electroplating Industry: Brightener and stabilizer for silver, gold, and copper plating
- Metal Extraction: Forms stable complexes with precious metals for extraction
- Corrosion Inhibitors: Protects metal surfaces in acidic environments
- Chemical Synthesis: Intermediate for pharmaceuticals, pesticides, and dyes
- Rubber Industry: Vulcanization accelerator
- Textile Industry: Dyeing and printing aid
- Water Treatment: Deoxidizer and heavy metal remover
- Analytical Chemistry: Reagent and masking agent
- Photographic Industry: Developer
- Pharmaceutical Industry: Raw material for drug synthesis
- Other Applications: Pesticide synthesis and resin modification
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 samples?
Yes, we provide free samples with the customer responsible for express shipping 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, we welcome visits to our facility in Weifang, China, with airport pickup/drop-off service.
6. What if there is a quality problem?
Our professional after-sales team promptly addresses all quality concerns.
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