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magnesium sulphate monohydrate

CAS 139939-75-6MgSO4MW 120.37

magnesium sulphate monohydrate (CAS 139939-75-6) — formula MgSO4, molecular weight 120.37.

Specifications

CAS Number139939-75-6
Molecular FormulaMgSO4
Molecular Weight120.37
Melting Point1124
LogP-0.91

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What this product is

magnesium sulphate monohydrate is a chemical compound with CAS registry number 139939-75-6 and molecular formula MgSO4 (molecular weight 120.37).

Identification

CAS number: 139939-75-6

Its molecular formula MgSO4 comprises 1 Mg, 1 S, 4 O atoms.

Also known as: magnesium sulphate monohydrate · magnesium sulphate anhydrous

Frequently Asked Questions

What is the CAS number of magnesium sulphate monohydrate?

The CAS registry number of magnesium sulphate monohydrate is 139939-75-6.

What is the molecular formula and molecular weight of magnesium sulphate monohydrate?

Molecular formula MgSO4, molecular weight 120.37.

What other names is magnesium sulphate monohydrate known by?

It is also registered under: magnesium sulphate monohydrate, magnesium sulphate anhydrous.

PubChem Public Data

Public-database records for magnesium sulphate monohydrate (CAS 139939-75-6), reproduced here for independent cross-checking.

Safety classification and hazard statements

GHS notification summary41.4% (1034 / 2499)
Reported hazard statementsH302 (57.2%), H312 (51.5%), H332 (57.1%)

This chemical does not meet GHS hazard criteria for 41.4% (1034 of 2499) of reports.

H302 (57.2%): Harmful if swallowed [Warning Acute toxicity, oral]

Regulatory listings

Regulatory & Food ContactNUTRIENT_SUPPLEMENT: Food Additives
NOT SPECIFIED
TRS 947-JECFA68/
FAS 59-JECFA68/
CIR / INCI: Cosmetic ingredients (Magnesium Sulfate) -> CIR (Cosmetic Ingredient Review)
CIR / INCI: Bulking; Hair conditioning; Viscosity controlling
GHS notification summary41.4% (1034 / 2499)

Physical description and handling notes

  • Dry Powder; Large Crystals; Liquid; Other Solid; Liquid; Other Solid; Dry Powder; CBI; Large Crystals
  • White solid with a bitter, saline taste; [ICSC]
  • HYGROSCOPIC ODOURLESS WHITE CRYSTALS OR POWDER.
  • Colorless crystalline solid
  • Orthorhombic crystals
  • Opaque powder

Reported physical properties

熔点1124
熔点Decomposes @ 1124 °C
熔点1127 °C
溶解度710
溶解度In water, 360 g/l @ 20 °C
密度2.66 g/cu cm
密度2.66 g/cm³
密度2.66 @25 °C
LogP-0.91
Decomposition1124 °C

How this substance is indexed

CAS Registry Number139939-75-6
PubChem CID24083
分子式MgSO4
IUPAC 名称magnesium sulfate
UNII（FDA）ML30MJ2U7I

Documented uses

  • CIR ingredient: Magnesium Sulfate
  • Used to weight cotton and silk, augment bleaching of chlorinated lime, tan leather, fireproof fabrics, dye and print fabrics, and to manufacture fertilizers, mineral water, explosives, and matches; Used therapeutically; [Merck Index]
  • Textiles (Fiber & Fabric Manufacturing) [Category: Industry]
  • Leather Tanning and Processing [Category: Industry]
  • Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
  • WEIGHTING COTTON AND SILK; INCR BLEACHING ACTION OF CHLORINATED LIME; MFR OF MOTHER-OF-PEARL AND FROSTED PAPERS; FIRE-PROOFING FABRICS; DYEING & PRINTING CALICOS; IN FERTILIZERS; EXPLOSIVES, MATCHES; MINERAL WATER; TANNING LEATHER.

Names this substance appears under

MAGNESIUM SULFATE; 7487-88-9; Magnesium sulfate anhydrous; MgSO4; Sulfuric acid magnesium salt (1:1); Magnesiumsulfat; Magnesium sulfate (1:1); Sal Angalis; Sal De sedlitz; Tomix OT; Sulfuric acid magnesium salt; Magnesium(II) sulfate; Magnesium sulfate,anhydrous; Magnesium sulphate anhydrous; ML30MJ2U7I; Magnesium sulphate, anhydrous

Computed molecular descriptors

分子量120.37
氢键供体数0
氢键受体数4
可旋转键数0
精确质量119.9367713
单同位素质量119.9367713
拓扑极性表面积88.6
重原子数6
形式电荷0
复杂度62.2

Database abstract

magnesium sulphate monohydrate · CAS 139939-75-6 · MgSO4. UNII ML30MJ2U7I. 熔点: 1124; 熔点: Decomposes @ 1124 °C; 熔点: 1127 °C.

Source: PubChem / Wikidata; the batch COA governs where values differ.

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