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Professional Production Of sodium Metabisulfite Products

A comprehensive chemical production enterprise specializing in inorganic salts such as Sodium Metabisulfite, Sodium Sulfite, Sodium Bisulfite, Manganese Carbonate, etc. Our vision is to become a trusted food additive production base for customers.

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The company was established in

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Modern standard factory buildings

Existing employees

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Annual production of sodium metabisulfite

About SXS Chemical

SXS Chemical Co., Ltd. was founded in 1999. The company is located in Linxiang Green Chemical Industrial Park, Yueyang City, with a superior geographical location, adjacent to Chenglingji International Container Port, relying on Yueyang’s access to the river and sea, with railways and highways crisscrossing, and convenient waterway transportation

SXS Chemical is a comprehensive chemical production enterprise specializing in inorganic salts such as sodium hydrosulfite, sodium sulfite, sodium bisulfite, manganese carbonate, etc< br /> The company covers an area of 50000 square meters, with a total investment of 220 million yuan and a registered capital of 12 million yuan. It currently has 120 employees

Our Products

Sodium Metabisulfite (Na₂S₂O₅)

Grade: Food Grade & Industrial Grade
Chemical Formula: Na₂S₂O₅
Molecular Weight: 190.103
CAS No.: 7681-57-4
Appearance: White or slightly yellow crystalline powder
Relative Density: 1.4
Solubility: Dissolves in water (54g/100ml at 20°C; 81.7g/100ml at 100°C), soluble in glycerol, slightly soluble in ethanol
Stability: Moisture sensitive, oxidizes to sodium sulfate in air; decomposes at 150°C; reacts with strong acids to release SO₂
Sodium Bisulfite (calculated as Na₂S₂O₃) Content: ≥ 96.5%
Iron (Fe) Content: ≤ 0.003%

Sodium Sulfite Technical Grade (Na₂SO₃)

Grade: Technical Grade
Chemical Formula: Na₂SO₃
Molecular Weight: 126.04
CAS No.: 7757-83-7
Appearance: White crystalline powder or hexagonal crystals
Odor: Odorless
Solubility: Soluble in water / Slightly soluble in alcohol / Insoluble in ether
Water Solubility:12.54 g/100 ml (0°C)，28% max solubility at ，33.4°C283 g/100 ml (80°C)
pH Value: Alkaline in aqueous solution

Sodium Sulfite Food Grade (Na₂SO₃)

Grade: Food Grade
Chemical Formula: Na₂SO₃
Molecular Weight: 126.04
CAS No.: 7757-83-7
Appearance: White crystalline powder or hexagonal crystals
Odor: Odorless
Solubility: Easily soluble in water, slightly soluble in ethanol, insoluble in ether
Water Solubility: 12.54 g/100 ml (0°C), 283 g/100 ml (80°C), max solubility ~28% at 33.4°C
pH Value: Alkaline aqueous solution
Stability: Easily oxidized to sodium sulfate in air, decomposes at high temperature

Manganese Carbonate High Purity

Product Name: Manganese Carbonate
Grade: High Purity & Phosphating Grade
Chemical Formula: MnCO₃
Molecular Weight: 114.95
CAS No.: 598-62-9
Appearance: Rose-colored diamond-shaped crystals or amorphous light brown powder
Relative Density: 3.125
Solubility: Insoluble in water, soluble in dilute inorganic acids
Stability: Stable in dry air, prone to oxidation when wet forming manganese trioxide, decomposes on heating releasing CO₂

Sodium Bisulphite Food Grade (NaHSO₃)

Grade: Food Grade
Chemical Formula: NaHSO₃
Molecular Weight: 104.06
CAS No.: 7631-90-5
Appearance: White crystalline powder with odor of sulfur dioxide
Stability: Oxidizes to sulfate when exposed to air
Water-Insoluble: ≤ 0.01%
SO₂ Content: 58.5–67.4% (Result: 65%)
Iron (Fe): ≤ 50 mg/kg (Result: 42.2 mg/kg)
Arsenic (As): ≤ 2 mg/kg (Result: <2 mg/kg)
Lead (Pb): ≤ 2 mg/kg (Result: <0.005 mg/kg)
Heavy Metals (Pb): ≤ 5 mg/kg (Result: <5 mg/kg)
Selenium (Se): ≤ 5 mg/kg (Result: 0.1 mg/kg)

Full industry chain supply service

One stop service for research and development, production, sales, and serviceThe company relies on its own research and development capabilities to extensively engage in technical and academic exchanges, enabling its products to serve a wider range of industries.

Safety and Environmental Protection

Zero emission industrial chainAs a responsible chemical production enterprise, we insist on combining economic benefits, social responsibility, and environmental protection. Through science and innovation.

High quality assurance, customized produce

[High Quality]+[High Purity]+[Special Purpose]+[Customized Packaging]We have established strong competitive advantages in our main products such as sodium bisulfite, sodium bisulfite, anhydrous sodium bisulfite, and magnesium sulfate heptahydrate.