CAS 62-56-6 Thiourea Chemical Materials For Petroleum Additive
Product Specifications
Attribute | Value |
CAS | 62-56-6 |
EINECS | 200-543-5 |
Appearance | White glossy crystal |
Crystalline hydrate | Water-free |
Life span | Two years |
Industry | Petrochemical industry |
Primary Use | Petroleum additive |
Product Description
Thiourea (99% purity, CS(NH2)2) is classified as a hazardous chemical with diverse industrial applications.
Physical and Chemical Properties
- Appearance: White crystal powder
- Density: 1.405
- Molecular weight: 76.12
- Melting point: 171-175°C
- Boiling point: 349-352°F (NTP, 1992)
Production Standards
CAS: 62-56-6 | Meets GB/8218-2018 specifications
No. | Test Parameter | 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 |
References: Riel Chemical Lab1&2, National public service platform for standards information.
Industrial Applications of Thiourea
- Electroplating Industry: Additive for silver/gold plating solutions; corrosion inhibitor for metal pickling
- Mineral Processing: Flotation agent for metal ores; leaching agent for precious metal extraction
- Resin & Plastics: Modifier for phenolic/urea-formaldehyde resins; plastic stabilizer
- Chemical Synthesis: Intermediate for pharmaceuticals, pesticides, dyes; rubber vulcanization accelerator
- Environmental Protection: Heavy metal removal in wastewater; SO₂/NOₓ treatment in industrial gases
- Battery Industry: Electrolyte additive; metal recovery in battery recycling
- Textile Industry: Dye additive; flame retardant component
- Photography: Black-and-white photo developer
- Research: Analytical reagent; protein denaturation/renaturation studies
- Other Uses: Industrial preservative; functional material synthesis
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 this product line and guarantee timely delivery while maintaining top quality.
Do you provide free samples?
Yes, we provide free samples with the customer responsible for express shipping costs.
How about the price? Can you make it cheaper?
We offer competitive pricing that can be negotiated based on order quantity and conditions.
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.
What if there is a quality problem?
Our professional after-sales team promptly addresses all quality concerns.