Magnesium Sulfate Heptahydrate (CAS 10034-99-8)

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Magnesium Sulfate Heptahydrate. CAS 10034-99-8.

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Chemical Overview: Magnesium Sulfate Heptahydrate
Molecular formulaH₁₄MgO₁₁S
Molecular weight246.48 g/mol
IUPAC namemagnesium;sulfate;heptahydrate
SMILESO.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[Mg+2]
InChIKeyWRUGWIBCXHJTDG-UHFFFAOYSA-L

Synonyms: Magnesium sulfate heptahydrate · 10034-99-8 · Epsom salt · magnesium sulphate heptahydrate · Magnesia sulphurica

Data sources: PubChem (NLM/NIH)
Last updated: 2026-09-02

SCIENTIFIC RESEARCH

[1]PubMed2025
Rodriguez JP, Quarteroni E, Varela LB et al.. (2025). "Magnesium supplementation for migraine prophylaxis.". The Cochrane database of systematic reviews. https://doi.org/10.1002/14651858.CD016307
[2]PubMed2025
Wu Y, Pan Y. (2025). "Association between magnesium sulfate administration and short-term mortality in acute pancreatitis patients admitted to the ICU: a retrospective cohort study based on the MIMIC-
[3]PubMed2024
De Oliveira L, Korkes H, Rizzo M et al.. (2024). "Magnesium sulfate in preeclampsia: Broad indications, not only in neurological symptoms.". Pregnancy hypertension. https://doi.org/10.1016/j.preghy.20
[4]PubMed2024
Shepherd ES, Goldsmith S, Doyle LW et al.. (2024). "Magnesium Sulfate Before Preterm Birth for Neuroprotection: An Updated Cochrane Systematic Review.". Obstetrics and gynecology. https://doi.org/10.1
[5]PubMed2024
Ambrożej D, Adamiec A, Forno E et al.. (2024). "Intravenous magnesium sulfate for asthma exacerbations in children: Systematic review with meta-analysis.". Paediatric respiratory reviews. https://doi.
[6]PubMed2024
Shepherd ES, Goldsmith S, Doyle LW et al.. (2024). "Magnesium sulphate for women at risk of preterm birth for neuroprotection of the fetus.". The Cochrane database of systematic reviews. https://doi.o
[7]PubMed2023
Dagklis T, Akolekar R, Villalain C et al.. (2023). "Management of preterm labor: Clinical practice guideline and recommendation by the WAPM-World Association of Perinatal Medicine and the PMF-Perinata
[8]PubMed2023
Brookfield KF, Mbata O. (2023). "Magnesium Sulfate Use in Pregnancy for Preeclampsia Prophylaxis and Fetal Neuroprotection: Regimens in High-Income and Low/Middle-Income Countries.". Obstetrics and gy
📚 Scientific references (Chicago Author-Date) 2 refs · 1 baz

MOLECULE Per-CAS bibliography (live from 13+ databases)

Sources: db:crossref (2)

  1. db:crossref (2004). "Magnesium Sulfate Heptahydrate". Sax's Dangerous Properties of Industrial Materials. https://doi.org/10.1002/0471701343.sdp15890
  2. db:crossref Larry Gene Bauer. (0). "Contact nucleation of magnesium sulfate heptahydrate in a continuous MSMPR crystallizer". https://doi.org/10.31274/rtd-180815-3923
Regulatory status of the substance
No entries for this CAS in the restriction lists checked (SVHC candidate list, REACH Annex XVII; datasets incomplete — this is not a confirmation of compliance). CLP classification and transport status (ADR): see the GHS section and the safety data sheet (SDS).
🧪 Chemical Data
CAS Number
10034-99-8
Molecular formula
H₁₄MgO₁₁S
Molar mass
246.48 g/mol
IUPAC name (EN)
magnesium;sulfate;heptahydrate
SMILES
O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[Mg+2]
InChIKey
WRUGWIBCXHJTDG-UHFFFAOYSA-L
⚗️ Physicochemical properties
Density
1.68

Source: PubChem, NIST WebBook. Last updated: 2026-09-02

🔍 External identifiers
10 of 16 ID systems63%
DatabaseIdentifierActions
CAS Registry Number10034-99-8Open →
PubChem CID24843[1]Open →
InChIKeyWRUGWIBCXHJTDG-UHFFFAOYSA-L[1]Open →
InChIInChI=1S/Mg.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,…[1]
SMILESO.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[Mg+2][1]
ChEMBLCHEMBL3989857[2]Open →
HMDBHMDB0303545Open →
ChemSpider23226[3]Open →
UNII (FDA)SK47B8698TOpen →
WikiData QIDQ15628528Open →

Sources: PubChem (NIH), Wikidata SPARQL, KEGG, ChEMBL (EBI), CompTox CTX (EPA).

📚 Scientific references (Chicago Author-Date) (3 sources)
  1. PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. dotyczy: PubChem CID · InChIKey · InChI · SMILES
  2. ChEMBL. European Bioinformatics Institute (EMBL-EBI), bioactivity database. dotyczy: ChEMBL
  3. ChemSpider. Royal Society of Chemistry, chemical structure database. dotyczy: ChemSpider

Dalsza literatura

Publications topically related to this CAS. They are not the source of any value given on this card.

Extended Bibliography (1)

  1. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. 2004. "Magnesium Sulfate Heptahydrate." Sax's Dangerous Properties of Industrial Materials. https://doi.org/10.1002/0471701343.sdp15890. link [accessed: 2026-09-02]

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Magnesium Sulfate Heptahydrate — CAS 10034-99-8. Listed by Xilong Scientific. Prepared from the supplier’s public catalogue; not verified against their internal data.

Data from PubChemSource: PubChem (NIH) · ChEMBL