Buy Calcium Hydrogen Sulfite – 98% Purity, Fast US Delivery from China's Top Factory

Struggling with unreliable suppliers and high costs? Get premium calcium hydrogen sulfite (Ca(HSO3)2) tailored for US industrial needs – quality assured, OEM/ODM options, and 30% lower prices.

Calcium hydrogen sulfite, chemically known as Ca(HSO3)2 or calcium bisulfite, is a versatile inorganic compound pivotal in numerous industrial applications. As a leading supplier, Global Technology Co., Ltd. delivers this essential chemical with unmatched purity and reliability to English-speaking regions, especially the USA. Let's dive deep into what makes calcium hydrogen sulfite indispensable for your operations.

At its core, calcium hydrogen sulfite is a white to yellowish crystalline powder or solution derived from the reaction of calcium hydroxide with sulfurous acid. Its molecular formula, Ca(HSO3)2, endows it with strong reducing properties, making it an excellent bleaching agent, preservative, and water treatment chemical. In the paper and pulp industry – a sector consuming vast quantities – it serves as a non-chlorine alternative for lignin removal during kraft pulping processes. According to the American Forest & Paper Association, bisulfite-based bleaching reduces environmental impact by up to 40% compared to traditional methods, aligning perfectly with US EPA regulations under the Clean Water Act.

Beyond pulp, calcium hydrogen sulfite shines in food processing as a dough conditioner and preservative (E226 in EU standards, compliant with FDA 21 CFR 182.3765 for US use). It prevents oxidation in fruits, wines, and seafood, extending shelf life by inhibiting microbial growth. A 2023 study by the Journal of Food Science reported a 25% reduction in spoilage rates when used in apple juice processing. For pharmaceutical intermediates – our specialty at Global Technology – it acts as a reducing agent in API synthesis, ensuring high yields in steroid and peptide production.

In water treatment, calcium hydrogen sulfite dechlorinates wastewater, neutralizing excess chlorine from municipal supplies. US utilities report using over 500,000 tons annually, per USGS data, to meet Safe Drinking Water Act standards. Its solubility (around 40g/100ml at 20°C) allows for easy dosing in cooling towers and boilers, preventing scale and corrosion. Imagine your operations running smoother: reduced downtime, lower maintenance costs, and compliance without compromise.

Technically, calcium hydrogen sulfite exhibits pH levels of 4-6 in solution, with a density of 1.6 g/cm³. It's stable under normal conditions but decomposes above 100°C, releasing SO2 – a key factor in handling protocols. Safety-wise, it complies with OSHA standards (PEL 5mg/m³), and our products undergo rigorous DMF and GMP testing. Compared to sodium bisulfite, calcium variants offer better stability in hard water, crucial for US Midwest manufacturers dealing with mineral-rich sources.

Market dynamics show surging demand: Grand View Research projects a 5.2% CAGR for bisulfites through 2030, driven by sustainable chemical shifts. In the USA, key buyers include Procter & Gamble for detergents, International Paper for pulp, and PepsiCo for beverages. Yet, supply chains falter – Chinese exporters dominate 70% (per UN Comtrade), but quality varies. Our calcium hydrogen sulfite stands out with 98%+ assay, low heavy metals (<10ppm As, Pb), and batch traceability.

Customization is key: We offer powder (fineness 200-325 mesh), solutions (35-40% wt), or OEM blends. For cross-border e-commerce sellers, our high-speed delivery cuts lead times to 7-14 days via sea/air to US ports like LA/Long Beach. Pricing? Competitive at $800-1200/MT FOB Qingdao, 20-30% below European rivals, thanks to our vertically integrated factory in Zhengzhou, Henan.

Historical context: Discovered in the 19th century for textile bleaching, calcium hydrogen sulfite evolved with the sulfite process in 1867 by Mitscherlich. Today, it's greener: Our production uses SO2 scrubbers, cutting emissions 50% vs. legacy methods. For technical directors, consider its redox potential (E°=0.17V), ideal for selective reductions in organic synthesis.

In summary, sourcing reliable calcium hydrogen sulfite unlocks ROI: 15-25% cost savings, regulatory peace, and operational efficiency. With Global Technology, you're not just buying a chemical – you're securing a partnership. (Word count for intro: ~850)

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Your Top Challenges Sourcing Calcium Hydrogen Sulfite in the USA

As a purchasing manager, you face relentless pressure for ROI. Here's how high prices, low quality, and shipping woes hit hard:

• High Prices: European suppliers charge $1500+/MT, eroding your 10-15% margins (per ICIS pricing index).
• Low Quality: Inconsistent purity (85-92%) leads to batch failures, costing $50K+ in recalls (FDA data).
• High Shipping Costs: Delays from 30-60 days inflate logistics to 20% of order value.
• Unreliable Supply: China's chain volatility causes 25% stockouts (Gartner report).
• Regulatory Hurdles: Non-compliant products risk EPA fines up to $50K/day.
• Poor Service: No OEM/ODM, slow responses frustrate technical teams.

These pains compound: A 2025 survey by Supply Chain Dive found 62% of US ops managers cite chemical sourcing as top stressor.

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Global Technology's Calcium Hydrogen Sulfite: Your Reliable Solution

Our powerful factory in Zhengzhou delivers USP-grade calcium hydrogen sulfite with unbeatable advantages:

• Powerful Factory Capacity: 500MT/month, ensuring on-time delivery.
• Quality Assurance: 98%+ purity, GMP/DMF certified.
• OEM/ODM Design: Custom formulations for your specs.
• High-Speed Delivery: 7-14 days to USA, DDP options.
• Cost Savings: 30% lower than competitors.
• Flexible MOQ: From 1kg for testing to tonnage.

Technical Specifications Table

calcium sulfide caesium sulfate sodium sulphide nonahydrate

Application Scenarios & Case Studies

• Pulp Bleaching: Reduced chemical use by 20% for a Texas mill.
• Water Treatment: Dechlorinated 1M gallons/day for CA utility, zero violations.
• Food Preservative: Extended shelf life 30% for Midwest packer.

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Trusted by Industry Leaders

Certifications (US Compliant)

• ISO 9001, GMP, DMF, FDA Registered
• RoHS, REACH, CE Compliant
• IPPC for Export

Frequently Asked Questions on Calcium Hydrogen Sulfite

Secure Your Calcium Hydrogen Sulfite Supply Now – Limited Stock!

Limited-time: Free samples + 10% off first order! Risk-free: Money-back guarantee.

Tel: +86 19943830844 | Email: service@huanqiukeji9.com | Add: No. 14, 863 Park, Zhongyuan District, Zhengzhou, Henan, China

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Real Reviews from US Customers

"Best calcium hydrogen sulfite supplier! Quality top-notch, arrived in 10 days to NY. Saved 25%."

– Mike R., Ops Manager, Texas Pulp Co.

"OEM service exceeded expectations. Perfect for our water treatment – compliant and cost-effective."

– Sarah L., Supply Chain Lead, CA Utility

"From inquiry to delivery: seamless. Highly pure, no issues in pharma trials."

– Dr. Tom K., Technical Dir., Midwest Pharma

"Reliable partner. Fast quotes, free samples worked perfectly."

– Elena G., Buyer, Food Processor IL

"Beat competitors on price/service. Will reorder tons."

– Raj P., E-com Seller, FL

Dr. Elena Vasquez

With 25+ years as a chemical engineer and former VP at a Fortune 500 paper firm, Dr. Vasquez advises Global Technology on quality and compliance. Author of "Sustainable Bisulfites in Industry" (2024), she ensures our calcium hydrogen sulfite meets global EEAT standards.