Chromium Nitrate Nonahydrate
Molecular Formula: Cr(NO3) 3·9H2O
Molecular Weight: 400.15
Physical and chemical properties: Chromium nitrate nonahydrate is dark purple red crystal, easy to moisture, soluble in water, soluble in ethanol, acetone and inorganic acids, its aqueous solution is green when heated, and then quickly changed to red and purple after cooling. decomposed when heated to 125.5℃, melting point 60℃. corrosive and can cause burns. Contact with combustible materials can cause combustion.
Applications and Usages: Used in the preparation of chromium-containing catalysts, printing and dyeing industry as mordant, glass and ceramic color glaze and corrosion inhibitor.
- Product Description
High-Purity Chromiun Nitrate Nonahydrate [Cr(NO₃)₃·9H₂O] for Industrial Excellence
Chromium Nitrate Nonahydrate (CAS 7789-02-8) is a versatile compound essential for industries demanding precision and reliability. At Yunli Chemical, we specialize in producing high-purity grades (98%–99.5%) with ultra-low impurities (Fe ≤30ppm, Cl ≤0.05%) for applications ranging from catalyst manufacturing to eco-friendly electroplating. Our tailored solutions and compliance with global standards like REACH and RoHS ensure you get a product that aligns with both performance and sustainability goals.
Technical Specifications
- Formula: Cr(NO₃)₃·9H₂O
- Purity: 98% (standard), customizable up to 99.5%
- Appearance: Dark purple-red crystals or liquid form
- Moisture: ≤0.5% | pH: Adjustable (3.0–5.0)
- Key Impurities: Fe ≤30ppm, Cl ≤0.05%, Na ≤50ppm
- Packaging: 25kg PE-lined drums, bulk ISO tanks, or custom formats
Product Specification: Q/XYLH 004-2018
|
Item |
Catalyst Grade |
|
Cr(NO3)3·9H2O% ≥ |
99.0 |
|
Water insoluble % ≤ |
0.02 |
|
Chloride(Cl) % ≤ |
0.001 |
|
Sulfate(SO4)% ≤ |
0.05 |
|
Ferrum(Fe)% ≤ |
0.003 |
|
Appearance |
Dark purple red crystal |
Industry Applications
1. Catalyst Manufacturing
Chromium Nitrate Nonahydrate serves as a precursor for hydrogenation and oxidation catalysts. Our low-iron formulations (≤10ppm) ensure optimal catalytic activity and extended lifespan.
2. Eco-Friendly Electroplating
Replace hazardous hexavalent chromium with our trivalent Cr(NO₃)₃·9H₂O. Pre-certified for RoHS compliance, it offers stable bath performance and anti-caking properties for up to 3 months.
3. Advanced Ceramics & Pigments
Achieve consistent color and structural integrity in ceramics with our high-purity (99.9%) grades. Ideal for zirconia/alumina doping and inorganic pigment synthesis.
4. Pharmaceutical Intermediates
USP/EP-compliant options with ≤2ppm arsenic and full traceability support API synthesis for diabetes and ulcer treatments.
5. Research & Development
Nanoscale and hydrate-free variants available for battery R&D and analytical standards.
Why Choose Yunli Chemical?
Custom Solutions
- Adjust pH, crystal size, or impurity thresholds (e.g., Fe ≤10ppm for catalysts).
- Liquid formulations eliminate dissolution steps, saving energy and costs.
Eco-Compliance
- Closed-loop wastewater recycling converts byproducts into reusable nitrates.
- NOx emissions treated via absorption towers, meeting ISO 14001 standards.
Global Expertise
- 18+ years in nitrate production with hazardous chemical licenses.
- 70% export ratio to the EU, US, and Japan, backed by SDS and TSCA certifications.
Flexible Logistics
- MOQ 0.5kg for trials | Bulk discounts for 1+ ton orders
- Global shipping via air/sea with real-time tracking.
FAQ
Q: How do you ensure low iron content (≤30ppm) for catalytic applications?
A: Our proprietary purification tech combines ion exchange and crystallization to minimize Fe, Na, and chloride impurities.
Q: Is your product RoHS-compliant for electroplating?
A: Yes. We replace Cr(VI) with stable Cr(III) formulations, validated via third-party testing.
Q: Can I get pharmaceutical-grade material with heavy metal limits?
A: Absolutely. Our pharma-grade batches include ICP-MS reports and meet USP <61> microbial standards.
Q: How do you prevent caking during storage?
A: Anti-caking agents and moisture-controlled packaging ensure 3+ months of free-flowing crystals.
Q: Do you offer technical support for process optimization?
A: Our engineers provide pH/impurity adjustment guidance within 24 hours.
Ready to Elevate Your Process?
Whether you need a custom Chromium Nitrate Nonahydrate formulation or a trial batch, we’re here to help.
📩 Contact Us Today: 1057792474@qq.com
📄 Download Datasheet: Full specs and application guidelines
