Magnesium Sulfate Heptahydrate CAS#10034-99-8
High-Purity Crystalline Form – White or colorless needle-like crystals with stable composition and excellent appearance quality.
Excellent Water Solubility – Easily soluble in water and in its own crystal water, ensuring fast dissolution and high bioavailability.
Stable Physical Properties – Odorless, slightly bitter taste with reliable density and consistent molecular structure.
Wide Application Potential – Suitable for pharmaceutical, agricultural, food, and industrial uses requiring high-quality magnesium sulfate.
Products Description of Magnesium Sulfate Heptahydrate CAS#10034-99-8
Magnesium sulfate heptahydrate (MgSO₄·7H₂O) appears as white or colorless needle-like or columnar crystals. It is odorless, has a cooling sensation and a slightly bitter taste, with a molecular weight of 246.47 and a relative density of 1.68. The product is readily soluble in water, slightly soluble in ethanol and glycerol, and dissolves in its own crystal water at about 67.5 °C.
Parameters
| Melting point | 1124°C |
| bulk density | 900kg/m3 |
| density | 2.66 |
| vapor density | <0.01 (vs air) |
| vapor pressure | <0.1 mm Hg ( 20 °C) |
| refractive index | 1.433 |
| storage temp. | Store at +5°C to +30°C. |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| form | Solid |
| Specific Gravity | 1.68 |
| color | White |
| Odor | Odorless |
| PH | 5.0-8.0 (25℃, 50mg/mL in H2O) |
| Water Solubility | Soluble in in water and acid. Slightly soluble in alcohol and glycerol. |
| λmax | λ: 260 nm Amax: 0.010 |
| λ: 280 nm Amax: 0.010 | |
| Merck | 145,691 |
| Dielectric constant | 8.2（Ambient） |
| Stability: | Stable. Non-flammable. May slowly deteriorate in contact with air. |
| InChIKey | WRUGWIBCXHJTDG-UHFFFAOYSA-L |
| LogP | -1.031 (est) |
| CAS DataBase Reference | 10034-99-8(CAS DataBase Reference) |
| NIST Chemistry Reference | magnesium sulfate heptahydrate(10034-99-8) |
| EPA Substance Registry System | Magnesium sulfate heptahydrate (10034-99-8) |
Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 24/25-36-26 |
| WGK Germany | 1 |
| RTECS | OM4508000 |
| TSCA | Yes |
| HS Code | 28332100 |
| Toxicity | man,TDLo,oral,183mg/kg/4H-I (183mg/kg),GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA",Journal of Toxicology, Clinical Toxicology. Vol. 20, Pg. 107, 1983. |
Product Application of Magnesium Sulfate Heptahydrate CAS#10034-99-8
Magnesium sulfate heptahydrate is widely applied in agriculture, medicine, industry, and food processing. In agriculture, it serves as a magnesium and sulfur fertilizer to prevent crop deficiencies and is added to animal feed to support healthy growth. In the medical field, it is used as a laxative, a topical anti-swelling agent, and a magnesium supplement. Industrial applications include the manufacture of magnesium compounds, papermaking retention aids, textile dyeing auxiliaries, and wastewater treatment.
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