Industrial Grade Thiourea Pure Crystalline Powder for Dry Place Storage
Product Specifications
Attribute | Value |
Acidity | ≤0.02% |
Purity | 99% |
EINECS | 200-543-5 |
Storage | Store In A Cool, Dry Place |
Molecular Formula | CH4N2S |
Moisture | ≤0.05% |
Appearance | White Crystalline Powder |
Melting Point | 171-176°C |
Physical and Chemical Properties
- Chemical formula: CS(NH2)2 (Thiourea 99%)
- Appearance: White crystalline powder
- Density: 1.405
- Molecular weight: 76.12
- Melting point: 171-175℃
- Boiling point: 349 to 352°F (NTP, 1992)
- CAS: 62-56-6
- Classified as dangerous chemical
Production 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.
Industrial Applications of Thiourea
1. Metal Surface Treatment and Plating
- Metal cleaning and rust removal: Effective for removing oxides and rust from metal surfaces
- Plating additives: Acts as brightener and stabilizer in silver, copper, zinc plating processes
- Metal corrosion inhibitor: Protects metal surfaces from corrosion
2. Chemical Engineering and Synthesis
- Chemical intermediate for synthesis of sulfides, mercaptans and thioethers
- Raw material for pharmaceutical and pesticide production
- Used in urea-formaldehyde resins and plastics to enhance material properties
3. Textile Industry
- Dye additive to improve fiber adhesion and dyeing effects
- Bleaching agent for removing impurities and pigments
4. Photography and Photosensitive Materials
- Developer component for photosensitive materials
- Stabilizer to extend service life of chemical properties
5. Medicine and Pesticides
- Raw material for anti-thyroid and anti-cancer drugs
- Used in synthesis of insecticides, fungicides and herbicides
6. Mining and Metallurgy
- Precious metal extraction (gold, silver) as environmentally friendly leaching agent
- Flotation agent for mineral separation processes
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 sample?
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?
Yes, you're 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.