Structural formula
Thiourea :CAS:62-56-6
Thiourea exhibits a unique molecular structure in which sulfur replaces oxygen in urea, resulting in enhanced reactivity and electron-donating capability. This structural characteristic enables thiourea to function effectively as a reducing agent, complexing agent, and reaction accelerator.
Specification
Industrial grade thiourea
|
Item |
Standard |
|
Appearance |
White crystalline powder |
|
Content,wt% |
≥99.0 |
|
Water-insoluble substance,wt% |
≤0.02 |
|
(以SCN计)Thiocyanate(as SCN),wt% |
≤0.02 |
|
lgnition residue,wt% |
≤0.10 |
|
Initial melting point,℃ |
≥171 |
Fine thiourea
|
Item |
Standard |
|
Appearance |
White crystalline powder |
|
Content,wt% |
≥99.5 |
|
Water-insoluble substance,wt% |
≤0.002 |
|
Heavy metal(Pb),ppm |
≤10 |
|
Ca,ppm |
≤1 |
|
Mg,ppm |
≤1 |
|
Na,ppm |
≤1 |
|
Fe,ppm |
≤1 |
Applications
1.Electroplating and metal finishing additives
2.Resin and rubber vulcanization accelerators
3.Pharmaceutical and agrochemical intermediates
4.Textile processing and auxiliary chemicals
5.Analytical and laboratory reagents
Characteristics Platform
Quality Control
Packagings
25kg/woven bag, 800kg/pallet
Workshop Gallery
Customer Cases
FAQ
Q1: What purity grades of thiourea do you offer?
A: We provide thiourea in multiple industrial and technical grades, with purity typically ≥99%, and can customize specifications based on application needs.
Q2: Is thiourea suitable for electroplating applications?
A: Yes. Thiourea is widely used as a brightener and stabilizer in electroplating systems due to its strong reducing and complexing properties.
Q3: How should thiourea be stored?
A: Store in a cool, dry, well-ventilated area, away from strong oxidizing agents. Proper storage ensures long-term stability.
Q4: Can thiourea be used together with other mercapto compounds?
A: Yes. Thiourea shows good compatibility with compounds such as mercaptoethanol and mercaptopropionic acid in formulated systems.
Q5: Do you provide technical documentation?
A: Absolutely. SDS, COA, and technical support are available upon request to ensure safe handling and regulatory compliance.
Performance Advantages in Industrial Applications
Compared with alternative sulfur-based chemicals, thiourea offers superior performance consistency and process efficiency. In electroplating and metal surface treatment, it acts as a brightener and stabilizer, improving coating uniformity and surface smoothness. In resin and rubber processing, thiourea serves as an effective accelerator, enabling controlled reaction rates and improved product quality.
Additionally, thiourea demonstrates high compatibility with related thiol compounds such as mercaptoethanol and mercaptopropionic acid, allowing it to be integrated into complex formulations without compromising stability.
Buyer Benefits and Commercial Value
For manufacturers and distributors, thiourea delivers measurable operational benefits:
1.Reduced processing time through efficient reaction kinetics
2.Improved yield consistency, minimizing batch-to-batch variation
3.Lower overall production costs due to high activity at low dosage
4.Reliable sourcing for downstream industries requiring stable quality
These advantages directly translate into higher production efficiency, reduced waste, and enhanced competitiveness in global markets.
Technical Credibility and Application Evidence
Thiourea has been extensively validated in electrochemical and industrial chemistry studies. Industry data shows that controlled use of thiourea in copper and silver plating baths significantly enhances brightness and deposit uniformity. Its long-term use as a pharmaceutical intermediate further demonstrates its reliability, regulatory acceptance, and well-understood chemical behavior.
Our product is manufactured under strict quality control systems, with comprehensive COA and batch traceability available to support regulatory and customer audits.
Looking for a reliable thiourea supplier with consistent quality and professional technical support?
Contact us today to request specifications, samples, or a competitive quotation tailored to your application requirements.
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