CAS 10034-99-8
Epsom Salt (Magnesium Sulfate Heptahydrate)
CAS 10034-99-8H14MgO11S246.48 g/mol
Epsom Salt, or Magnesium Sulfate Heptahydrate (CAS 10034-99-8), is a versatile compound primarily used in agriculture as a nutrient source for plants. Its solubility in water makes it ideal for various applications across industries such as food processing, pharmaceuticals, and personal care. Recognized for its characteristic granular appearance, it is supplied by Giles in a high-purity form, facilitating its effectiveness in diverse usages.
Main applicationAgricultural nutrient — provides magnesium and sulfate essential for plant growth.
Epsom Salt plays a critical role in multiple industries by providing vital nutrients for agriculture and enhancing product formulations in pharmaceuticals and personal care. Its versatility and effectiveness make it a preferred choice for procurement officers and plant engineers seeking reliable chemical solutions.
Also known as
- Magnesium sulfate heptahydrate
- Epsom salt
- magnesium sulphate heptahydrate
- Magnesia sulphurica
- Magnesium sulfate (1:1) heptahydrate
- Epsom salt(heptahydrate)
- Bitter salt
- Sulfuric acid magnesium salt (1:1)

Trade pricing
Quoted per enquiry
Pricing depends on volume, grade and delivery point. Our desk responds within two working hours.
Available packaging
- Pack size details are unknown
- please inquire for specific requirements.
Documentation
Batch-specific COA issued with every consignment.
Technical specifications
- CAS number
- 10034-99-8
- Chemical formula
- H14MgO11S
- Molecular weight
- 246.48 g/mol
- Grade
- Technical grade
- Appearance
- Granular white solid
- Density
- 1.68 g/cm³
- Density
- 1.68 g/cm³
Magnesium Sulfate Heptahydrate is a chemical compound consisting of magnesium, sulfur, and oxygen. This grade of Epsom Salt contains seven water molecules (heptahydrate), enhancing its solubility in water and delivering magnesium and sulfate ions effectively. When purchasing, technical buyers should consider the quality and the physical form, ensuring they specify the heptahydrate form if needed. This form is highly soluble, making it well-suited for rapid absorption in applications such as agriculture and pharmaceuticals.
Delivery
Epsom Salt (Magnesium Sulfate Heptahydrate) is dispatched from our Nairobi warehouse across Kenya, and export delivery is arranged to the wider East African market. Lead time depends on quantity and grade and is confirmed with your quotation — see delivery and collection for the towns we reach and how dispatch works.
Applications & uses
- Agricultural nutrient — provides magnesium and sulfate essential for plant growth.
- Pharmaceuticals — used as a laxative and for magnesium replenishment.
- Personal care products — included in bath soaks for its skin-soothing properties.
- Food processing — serves as a food additive to enhance nutritional value.
- Cleaning agents — acts as a firming agent in cleaning solutions.
Industries we supply this to
Why buy this from Sparks
- Promotes healthy plant growth by supplying essential nutrients.
- Acts effectively as a laxative in medical formulations.
- Provides soothing effects in bath products for skin care.
- Enhances the nutritional content in food products.
- Contributes to improved cleaning efficiencies in detergent formulations.
Quality assurance
- Batches are checked against the specification values listed above before dispatch.
State what your process, auditor or customs clearance requires when you request a quotation, and it is confirmed with the quote.
Safety, handling & storage
Always consult the full Safety Data Sheet before handling. Personnel must use appropriate PPE and follow local regulations for storage, transport and disposal.
Frequently asked questions
What is the CAS number of Epsom Salt (Magnesium Sulfate Heptahydrate)?
The CAS registry number for Epsom Salt (Magnesium Sulfate Heptahydrate) is 10034-99-8. Its chemical formula is H14MgO11S, with a molecular weight of 246.48 g/mol. Quote this number when requesting a quotation or checking documentation, as it identifies the substance unambiguously regardless of the trade name used.
What are the other names for Epsom Salt (Magnesium Sulfate Heptahydrate)?
Epsom Salt (Magnesium Sulfate Heptahydrate) is also referred to as Magnesium sulfate heptahydrate, Epsom salt, magnesium sulphate heptahydrate, Magnesia sulphurica, Magnesium sulfate (1:1) heptahydrate and Epsom salt(heptahydrate). These names describe the same substance, so a specification or enquiry written against any of them can be matched to this product.
What grade of Epsom Salt (Magnesium Sulfate Heptahydrate) is supplied?
Epsom Salt (Magnesium Sulfate Heptahydrate) is supplied as Technical grade. State the grade your process requires when requesting a quotation — where an alternative grade can be sourced, it is confirmed at quotation stage rather than assumed.
What does Epsom Salt (Magnesium Sulfate Heptahydrate) look like?
Epsom Salt (Magnesium Sulfate Heptahydrate) is described as granular white solid. Appearance is a useful first check on receipt of goods, though it does not replace the certificate of analysis for confirming that the material meets specification.
What is Epsom Salt (Magnesium Sulfate Heptahydrate) used for?
Common applications include agricultural nutrient — provides magnesium and sulfate essential for plant growth., pharmaceuticals — used as a laxative and for magnesium replenishment., personal care products — included in bath soaks for its skin-soothing properties., food processing — serves as a food additive to enhance nutritional value. and cleaning agents — acts as a firming agent in cleaning solutions.. The suitability of the product for a particular process depends on the grade and specification required, which is worth confirming against your own process conditions.
Which industries use Epsom Salt (Magnesium Sulfate Heptahydrate)?
Epsom Salt (Magnesium Sulfate Heptahydrate) is supplied to the Food Processing & Beverage, Agriculture & Agrochemicals, Pharmaceuticals & Healthcare, Cosmetics & Personal Care and Cleaning & Detergents sectors. These are the industries this product is listed against in our catalogue; if your application falls outside them, we can advise on suitability before you order.
What packaging is Epsom Salt (Magnesium Sulfate Heptahydrate) available in?
Epsom Salt (Magnesium Sulfate Heptahydrate) is supplied in Pack size details are unknown; please inquire for specific requirements. Where a different pack size or bulk delivery is required, it is confirmed at quotation stage against availability rather than listed here as standard.
References
Technical information on this page was compiled from the following published sources. Safety and handling data always comes from the supplier’s own safety data sheet.
- 1.PubChem CID 24843pubchem.ncbi.nlm.nih.gov
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