Premium Quality Calcium Oxide Powder Cao CAS No 1305-78-8 with Low Impurity Content

• Customization: Available
• CAS No.: 1305-78-8
• Formula: Cao
• EINECS: 215-138-9
• Classification: Calcium Oxide
• Grade Standard: Industrial Grade
• Kind: Alkaline Oxide
• Quality: First Class
• Purity: 80%-99%
• Other Name: Quick Lime
• Mf: Cao
• Appearance: White Powder, White Lump
• Application: Food-Grade Desiccant
• Used for: Food-Grade Desiccant
• Mesh: 100-600mesh
• Sample: Available
• MOQ: 20mt
• Color: White Powder
• Molecular Weight: 56.077
• Melting Point: 2572 Degree Centigrade(2845K)
• Boiling Point: 2850 Degree Centigrade(3123K)
• Density: 3.35g/cm3
• Transport Package: 25g/Bag, 40bags/Pallet or 1mt/Jumbo Bag Package
• Specification: 25g/bag or 1MT/jumbo bag package
• Trademark: HONGYU
• Origin: Jiangsu, China
• Production Capacity: 100000tons /Year

Product Description

Premium Quality Calcium Oxide Powder CaO CAS No 1305-78-8

This industrial-grade calcium oxide powder offers excellent quality at a competitive factory price. With a CAS number of 1305-78-8, it is widely used in environment protection, metallurgy, and chemical industries.

Specification

Innovative Design

Key Features & Advantages

Main Applications

 High Purity: Up to 95–98% CaO content
 Low Impurities: Minimal MgO, Fe2O3, and SiO2
 Strong Reactivity: Fast slaking performance
 Customized Sizes: Powder, granule, or lump form
 Consistent Quality: Sourced from self-owned mine

1.Metallurgy – Desulfurization & slagging agent in steelmaking
2.Environmental Protection – Flue gas desulfurization, wastewater pH regulation
3.Construction – Soil stabilization, AAC block production
4.Chemicals – Calcium hydroxide production, catalyst base
5.Pulp & Paper – Lime recovery in kraft pulping

Technical Highlights

Feature	Specification
Cao content	From 85% to 99%
SiO2	<1.0%
Fe2O3	<0.3%
MgO	<1.0%
L.O.I(Loss on Ignition)	<3.0%
Moisture	<0.5%(on request)
Particle Size	Customized:100mesh -2000mesh
Appearance	White power/lump

Packing & Delivery

Standard Export Pack:

OEM Services:

25kg / 500kg / 1000kg jumbo bags with PE inner liner
Store in dry, well-ventilated warehouse
Keep away from moisture and incompatible substances

 Flexible delivery: EXW / FOB / CIF / DDP available
 Export experience in Asia, Europe, Middle East
 SGS / COA / MSDS / Reach documents provided

After Sales Service

Technical Support

 Logistics Follow-up

Customer Feedback System

Free consultation for usage, storage, and handling.

Real-time updates on production and shipping status.

Response to any complaint or problem within 24 hours.

Company Profile

Changshu Hongyu Calcium Co., Ltd., 

Changshu Hongyu was founded in 1984, we mainly produce calcium oxide, calcium hydroxide and other products, the daily production of 600 tons, the products are exported to the world famous chemical enterprises. 

Adopting new technologies to produce industrial, chemical, and petroleum additives for lime products such as calcium hydroxide and calcium oxide, which are highly welcomed by users. We have our own mine in Hubei Province and invest in a New company in 2023: Carlison New Materials (Jingshan) Co., Ltd. It covers an area of 20000 square meters.
The new company focuses on the production of fine chemical, medical, food grade calcium oxide, calcium hydroxide products.As a leading supplier of calcium in China, we provide comprehensive support to our customers in various fields.Through our professional sales team, extensive supplier network, and strong market share, we are able to provide high-quality one-stop services.

Factory Advantages:

Other Products

Quality Guarantee: ISO9001, SGS and other certifications & testing reports
Free Technical Support: Guidance on usage, storage, and handling.
Sample Available: Free 1–2 kg sample, freight collected.
Fast Response: Any questions or complaints will be replied to within 24 hours.
Export Support: Full shipping documents (COA, MSDS, packing list, invoice) provided.

Main Product Lines:
Calcium Oxide (Quicklime) – High activity, low iron, low magnesium, high whiteness
Calcium Hydroxide (Hydrated Lime) – Ultra-high purity (up to 99.5%), ideal for fine chemicals, pharma, and home care
Calcium Carbonate (GCC/PCC/Nano) – Available in various particle sizes, both coated and uncoated types

Certifications

FAQ

Q: Are you a trading company or a factory?
A: We are a factory.
 
Q: What are your main products?
A: Calcium oxide, Calcium hydroxide, Light calcium carbonate, Heavy calcium carbonate,Nano calcium carbonate
 
Q: How do you control quality?
A: Our factory is equipped with professional technicians to control the quality, and the inspectors conduct a sample test every 2 hours to ensure the quality of our production. We also accept BV, SGS or any other third party inspection.
 
Q: Where is your factory?
A: Our factory is located in Changshu, Jiangsu Province, welcome to visit us at any time.
 
Q: Do you offer custom calcified products?
A: We offer various grades of calcium products to meet the needs of our customers.
 
Q: How do I contact you to purchase a product?
A: Below is our contact information, please feel free to contact us at any time.