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  • Magnesium Sulfate Heptahydrate 1–4mm - China

    price: 500.00 Dollar US$

    Magnesium Sulfate Heptahydrate (1–4mm)

    CAS No: 10034-99-8 (MgSO₄·7H₂O), 7487-88-9 (MgSO₄)

    Molecular Formula: MgSO₄ · nH₂O (n = 0, 1, 2, 3, 4, 5, 6, 7)

    Molecular Weight: 120.37 + 18n (n = 0, 1, 2, 3, 4, 5, 6, 7)

    Standard: USP/BP/CP/EP

    Appearance: White crystalline granules

    Particle Size: 1–4mm

    ---

    Specifications

    Property

    MgSO₄·7H₂O (Heptahydrate)

    MgSO₄·5H₂O (Pentahydrate)

    MgSO₄·3H₂O (Trihydrate)

    MgSO₄·2H₂O (Dihydrate)

    MgSO₄·H₂O (Monohydrate)

    MgSO₄ (Anhydrous) Main Content (≥ %)

    99.5

    99

    99

    99

    99

    98 Magnesium Sulfate (≥ %)

    48.59

    56

    68

    76

    86

    98 Magnesium Oxide (≥ %)

    16.20

    19.00

    22.70

    25.30

    28.60

    32.60 Magnesium (≥ %)

    9.80

    11.31

    13.65

    15.23

    17.21

    19.6 5.0–9.2 Iron (Fe, ≤ %)

    0.0015

    0.0015

    0.0015

    0.0015

    0.0015

    0.0015 Chloride (Cl, ≤ %)

    0.014

    0.014

    0.014

    0.014

    0.014

    0.014 Heavy Metals (Pb, ≤ %)

    0.0006

    0.0006

    0.0007

    0.0007

    0.0008

    0.0008 Arsenic (As, ≤ %)

    0.0002

    0.0002

    0.0002

    0.0002

    0.0002

    0.0002 ---

    Applications

    Pharmaceutical Industry:

    • Used in the formulation of protective ointments, laxatives, analgesics, antidotes, and as an intermediate for anticonvulsant medications, antibiotics, and other pharmaceutical products.

    Microbial Industry:

    • Functions as a nutrient source in culture media, brewing additives to supplement magnesium, and for fermentation processes.

    Light Industry:

    • Used in the production of fresh yeast, monosodium glutamate, beverages, mineral water, health salts, bath crystals, Burton-type beer, and as a stabilizer for dicalcium phosphate in toothpaste.

    Food Additives:

    • Serves as a nutritional supplement, firming agent, flavor enhancer, and processing aid.

    Chemical Industry:

    • Raw material for the manufacture of magnesium stearate, magnesium hydrogen phosphate, magnesium oxide, potassium sulfate, sodium sulfate, and other magnesium and sulfate salts.

    Textile and Dyeing Industry:

    • Used as an alkali-resistant agent, weighting agent for fine cotton and silk, filler for kapok products, and in rayon production.

    Leather Industry:

    • Used as a filler to enhance heat resistance of leather products.

    Electroplating Industry:

    • Acts as a conductive salt to improve the performance of nickel plating solutions, resulting in whiter and softer plating layers; also used as an additive for aluminum coloring.

    Fire Retardants:

    • Used in acrylate resins, epoxy resins, unsaturated polyester, polyurethane, and other plastics as a flame retardant.

    Environmental Protection:

    • Applied in industrial wastewater treatment.

    Agriculture:

    • An excellent dual-nutrient fertilizer providing magnesium and sulfur, essential secondary elements for crops.

    Enhances yield and fruit quality by promoting chlorophyll synthesis and photosynthesis.

    Animal Husbandry:

    • Used as a feed additive.

    Construction Industry:

    • Applied as a coagulant in cement production.

    Other Uses:

    • Utilized in the manufacture of explosives, matches, ceramics, glass, pigments, paper pulp, and ABS resin.

    ---

    Packaging & Storage

    • Packaging: 25kg/bag, 50kg/bag, or customized as required.

    • Storage: Store in a cool, dry, and well-ventilated area.

    Protect from moisture.


    Company Contact:


    • Phone: +86 18953884105

    • Address: No. 185, Haimiaohou Industrial District, Laizhou Yantai,Shandong China, Laizhou , Shandong , China

    • Email: Email


    Published date: December 9, 2025

    • Business Description: Currently,we focus on the production of 99.5% Sulfamic Acid(CAS: 5329-14-6),we are now one of the largest manufacturers of Sulfamic Acid in north China with good quality and large volume.

      Our product capacity is more than 1600 tons/month ;At present, we have approved the new factory.

      It is estimated that the new factory will be put into operation in 2-3 years, and the production capacity will be doubled compared with the current one.

      Our company has more than 47 years history of chemical manufacturing,we have top-class foundation and chemical manufacturing technology, strong techincal strength and advanced manufacturing technology.

      Based on years of accumulated experience,we have established a complete quality controlling system and market network system.

      Especially in the production of 99.5%Sulfamic Acid,our factory has developed a unique system of quality control and inspection in the production process of sulfamic acid,to ensure that each batch of goods we send to customers are qualified and stable quality.

      In terms of product packaging and delivery,we will provide you with professional loading,

      we have one team supervise uploading the materials,to check the container, the packages to make sure the goods are well packed when they reach the customer.

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