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Magnesium sulfate anhydrous

SKU 90038481 CAS 7487-88-9 MgO₄S MW 120.37 Made to order

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch

Magnesium sulfate anhydrous is an inorganic salt in powder form, widely used as a magnesium ion source in pharmaceuticals, chemical synthesis, and agricultural treatments. It acts as a drying agent and Epsom salt in medical applications. This high-purity compound has a CAS number of 7487-88-9, molecular formula MgO₄S, and a molecular weight of 120.37 g/mol. It is stable at ambient storage conditions with no hazard classification. Molekula supplies Magnesium sulfate anhydrous from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Overview

Magnesium sulfate anhydrous is a white, crystalline powder used in chemical synthesis, pharmaceuticals, and agricultural applications. It serves as a source of magnesium ions and a drying agent. CAS: 7487-88-9, Molecular Formula: MgO₄S, Molecular Weight: 120.37 g/mol, Storage: Ambient, Signal Word: None. Molekula supplies Magnesium sulfate anhydrous from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Specifications

Property Value
Appearance White granules
Chloride (Cl-) ≤0.001%
Assay ≥99.0%
Heavy Metals (Pb) ≤0.001%
Water insoluble matter ≤0.01%
Iron (Fe) ≤0.001%
Arsenic (As) ≤0.002%
Calcium (Ca) ≤0.05%
Manganese (Mn) ≤0.001%
Clarity test Pass
Sodium (Na) ≤0.03%
Phosphate (PO4) ≤0.001%

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Neutral

Identification

Property Value
SKU 90038481
CAS Number 7487-88-9
Molecular Formula MgO₄S
Molecular Weight 120.37
SMILES [O-]S(=O)(=O)[O-].[Mg+2]
REACH Code Y113
TSCA Listed Yes
HTS Code 2833.21.0000
Tariff Code 2833210000

Safety & GHS

Precautionary statements

  • P280 Wear protective gloves/protective clothing/eye protection/face protection

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is magnesium sulfate anhydrous commonly used for?

Magnesium sulfate anhydrous is primarily used in pharmaceuticals (e.g., Epsom salts for muscle relaxation), as a food additive (e.g., firming agent in tofu), and in industrial applications like water treatment and textile dyeing.

What is the chemical formula and molecular weight of magnesium sulfate anhydrous?

The chemical formula is **MgSO₄** (not MgO₄S; corrected), and the molecular weight is **120.37 g/mol**.

How should magnesium sulfate anhydrous be stored?

Store in a cool, dry place at ambient temperature, sealed in airtight containers to prevent moisture absorption.

What grades of magnesium sulfate anhydrous does Molekula supply?

Molekula supplies **pharmaceutical grade** and **industrial grade** magnesium sulfate anhydrous; contact us for specifications.

Can Molekula supply magnesium sulfate anhydrous in bulk quantities?

Yes, we offer bulk quantities (minimum order quantities vary by grade; inquire for details).

What documentation comes with an order of magnesium sulfate anhydrous?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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