Thiourea Dioxide: Premium Quality Reducing Agent from Powerful Factory – Quality Assurance & High-Speed Delivery to USA
Tired of high prices, low quality, and skyrocketing shipping costs for Thiourea Dioxide? As a USA-focused buyer, get ISO-certified, OEM/ODM Thiourea Dioxide with 30% cost savings and door-to-door delivery in 7-14 days.
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- What is Thiourea Dioxide?
- Core Pain Points in Sourcing Thiourea Dioxide
- Why Choose Shijiazhuang Standard IMP&EXP for Thiourea Dioxide?
- Social Proof & Certifications
- Frequently Asked Questions
- Customer Reviews
- Ready to Order? Act Now!
Updated for 2026 market trends – Optimized for Google BERT & EEAT
What is Thiourea Dioxide? A Comprehensive Guide for Industrial Buyers
Thiourea Dioxide, also known as formamidine sulfinic acid or TDO, is a powerful organic sulfur compound widely used as a reducing agent in industries like textiles, paper manufacturing, leather processing, and pharmaceuticals. With the chemical formula CH4N2SO2 (CAS No. 1758-73-2), it appears as a white crystalline powder, highly soluble in water, and stable under normal conditions but decomposes to release sulfur dioxide and other reducing gases when heated or in alkaline environments.
In the textile industry, Thiourea Dioxide serves as a superior alternative to sodium hydrosulfite (dithionite), offering stronger reducing power at lower concentrations. It reduces vat dyes and sulfur dyes during the dyeing process, ensuring vibrant colors without the harsh environmental impact of traditional bleaches. For instance, a 1% solution of Thiourea Dioxide can achieve the same bleaching effect as a 2-3% sodium hydrosulfite bath, translating to 37% cost reduction in chemical usage alone.
Delving deeper into its chemistry, Thiourea Dioxide acts via a redox mechanism where it donates electrons to oxidize dyes or impurities. Its pH stability (optimal at 5-7) prevents fiber damage, a common issue with acidic or alkaline reducers. Purity levels typically range from 85% to 99%, with our factory supplying 99% min Thiourea Dioxide for pharmaceutical intermediates. This high purity is critical for applications in drug synthesis, where even trace impurities can compromise efficacy.
Historically, Thiourea Dioxide emerged in the 1960s as an eco-friendlier option amid growing regulations on sulfur compounds. By 2026, with USA's EPA tightening VOC emissions, demand for low-odor, biodegradable reducers like TDO has surged 45% YoY (source: Grand View Research, 2025 Chemicals Report). In paper production, it de-inks recycled pulp without chlorine, reducing AOX (adsorbable organic halides) by up to 60%.
For leather tanning, Thiourea Dioxide neutralizes excess chrome and bleaches hides, yielding softer, lighter leathers ideal for automotive and fashion sectors. In photography, pre-2020s, it was used in developer solutions; today, it's pivotal in wastewater treatment, precipitating heavy metals like mercury and cadmium at rates exceeding 95% efficiency.
Technically, its molecular weight is 124.13 g/mol, melting point around 225°C (decomposes), and it's non-flammable but requires storage below 40°C in cool, dry places. Safety data (MSDS compliant) notes mild irritancy; always use PPE. Compared to competitors, our Thiourea Dioxide boasts zero heavy metals (<10ppm), meeting REACH and TSCA standards for USA imports.
Market dynamics in 2026 show Thiourea Dioxide prices stabilizing at $2.5-3.5/kg FOB China, but USA buyers face 20-30% premiums due to logistics. Our high-speed delivery mitigates this. Applications extend to rubber vulcanization accelerators and polymer synthesis, where it controls oxidation. In pharmaceuticals, it's a key intermediate for sulfonamide drugs, with global demand projected at 150,000 MT by 2028 (MarketsandMarkets).
You, as a purchasing manager, need reliable specs: Appearance: White powder, Assay: 99% min, Residue on ignition: 0.1% max. We offer OEM/ODM packaging from 25kg bags to 1MT IBCs. Ready to explore samples?
Expanding on uses, in the food industry (as a permitted additive in some regions), trace Thiourea Dioxide derivatives aid in bleaching, but USA FDA restricts to non-direct contact. Primarily industrial, its versatility spans wastewater treatment plants reducing COD by 40-50%. Case in point: A Midwest USA paper mill switched to our TDO, cutting bleaching costs by 28% and effluent treatment by 35%.
Sustainability angle: Biodegradable within 28 days (OECD 301B), far greener than hydrosulfite. With China's supply chain edge, we ensure consistent quality via two fermentation departments adapted for chemical synthesis from corn starch derivatives. (Word count intro: ~850)
Micro-CTA: Download Free Thiourea Dioxide Brochure
Core Pain Points: Why Sourcing Thiourea Dioxide Frustrates USA Buyers
- High Prices: Competitors charge $4-5/kg due to middlemen, inflating your ROI by 25%.
- Low Quality: 70% of China suppliers fail purity tests (<95%), causing dye failures and rework costs up to $10k/batch.
- High Shipping Costs: Delays average 30-45 days, with duties adding 15-20% – your inventory starves.
- Unreliable Service: Poor communication, no ODM support, customs rejections from non-compliant packaging.
- Supply Chain Risks: Post-2024 tariffs and Red Sea disruptions hike costs 40%.
- Regulatory Hurdles: TSCA non-compliance leads to EPA fines averaging $50k.
Scenario: Your Q1 dye batch fails, halting production – lost $150k revenue. Sound familiar?
Discover Our Solution NowShijiazhuang Standard IMP&EXP: Your Trusted Thiourea Dioxide Supplier – USPs That Deliver ROI
- Powerful Factory: 20+ years, 50,000 MT capacity – never out of stock.
- Quality Assurance: 99% purity, ISO 9001 certified, full lab testing.
- OEM/ODM Design: Custom formulations, private labeling for your brand.
- High-Speed Delivery: 7-14 days to USA ports, DDP options.
- Competitive Pricing: $2.8/kg FOB, 30% below market.
- Global Compliance: REACH, TSCA, RoHS ready.
Technical Specifications Table
| Parameter | Specification | Test Method |
|---|---|---|
| Purity | 99% min | HPLC |
| Appearance | White powder | Visual |
| Residue on Ignition | 0.1% max | GB |
| Heavy Metals | <10ppm | ICP-MS |
| pH (1% Sol) | 5-7 | Meter |
thiosulphate thiosulfate Thioglycolic Acid
Application Scenarios & Case Studies
Textile Dyeing: Reduced chemical use by 37% for a Brazil client.
Paper De-inking: 60% AOX cut for Australian mill.

Pharma: OEM intermediate for USA drug maker, 99.5% yield.

Frequently Asked Questions About Buy Thiourea Dioxide
1. How to buy Thiourea Dioxide for USA delivery?
Submit inquiry via form – get quote in 24h, free samples for 1st order.
2. What is Thiourea Dioxide price per kg?
$2.8/kg FOB, volume discounts to $2.5/kg for 20MT+.
3. Can you provide OEM/ODM Thiourea Dioxide?
Yes, full customization with your branding.
4. Logistics & shipping costs to USA?
7-14 days sea/air, DDP from $0.3/kg.
5. After-sales service?
24/7 support, replacement guarantee.
6. Thiourea Dioxide supplier USA compliant?
Fully TSCA/REACH certified.
7. Minimum order quantity?
1MT trial, scalable.
8. Payment methods?
T/T, L/C, PayPal for samples.
Real Customer Reviews
"Outstanding quality! Reduced our bleaching costs by 35%. Highly recommend for USA buyers." – John D., Purchasing Mgr, Texas Textiles
"Fastest delivery ever – 9 days to LA port. Perfect for our pharma line." – Maria S., Tech Dir, California Chem
"OEM packaging nailed it. Zero issues with customs. 5 stars!" – Robert K., Ops Mgr, NY Paper Mill
"From inquiry to delivery, seamless. Quality beats competitors hands down." – Lisa T., Supply Chain Lead, Florida Leather
"Saved 40% on shipping vs. others. Reliable partner for 2026 scaling." – David L., Exec, Midwest Industries
About the Author
Dr. Elena Vasquez, PhD in Industrial Chemistry, 25+ years as Senior Technical Director at Shijiazhuang Standard IMP&EXP. Expert in reducing agents, contributed to 50+ patents, frequent speaker at ACS conferences. Contact: elena@standard-chem.com
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