Magnesium sulfate

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Legality: DEA Listed Chemicals

Production of this substance may be illegal in some jurisdictions under certain circumstances.

21CFR1310.02 a & b

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Bottom line: Do not produce this chemical without checking to make sure that you may do so legally.

 

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Legality: CWC Schedule 3

CONVENTION ON THE PROHIBITION OF THE DEVELOPMENT, PRODUCTION, STOCKPILING AND USE OF CHEMICAL WEAPONS AND ON THEIR DESTRUCTION
ANNEX ON CHEMICALS
A. GUIDELINES FOR SCHEDULES OF CHEMICALS
Guidelines for Schedule 3
The following criteria shall be taken into account in considering whether a toxic chemical or precursor, not listed in other Schedules, should be included in Schedule 3:
(a) It has been produced, stockpiled or used as a chemical weapon;
(b) It poses otherwise a risk to the object and purpose of this Convention because it possesses such lethal or incapacitating toxicity as well as other properties that might enable it to be used as a chemical weapon;
(c) It poses a risk to the object and purpose of this Convention by virtue of its importance in the production of one or more chemicals listed in Schedule 1 or Schedule 2, part B;
(d) It may be produced in large commercial quantities for purposes not prohibited under this Convention.

Production of this substance may be illegal in some jurisdictions under certain circumstances. Bottom line: Do not produce this chemical without checking to make sure that you may do so legally.

 

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Legality: Controlled Substance

USC Title 21<ref>21 USC §812{{
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Production, Possession, or distribution of this substance without permission or defined legal justification may be illegal.

Bottom line: Do not produce this substance without checking to make sure that you may do so legally.

 

[[Category:US Schedule {{#ifeq: |1|I|{{#ifeq:|2|II|{{#ifeq:|3|III|{{#ifeq:|4|IV|{{#ifeq:|5|V|}}}}}}}}}} Substances]]}}

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DEA LIST I/II SUBSTANCE}} {{#if:|
CWC LIST I/II/III SUBSTANCE}} {{#if:||
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13|{{#if:|14|10}}}}em;"|Chemical formula {{#Chem:MgSO4}}|unspecified}}
Atomic Number  }}}}{{#if:white solid| 
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Index of refraction  {{{3}}}}}}}{{#if:120.366| 
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NFPA 704
0
1
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  1. if:!colspan=2|Thermal decomposition{{#if: magnesium sulfate 11-hydrate| of
    magnesium sulfate 11-hydrate}}
2 , }}2°C{{#if: |, }}
7-hydate
, }}150°C{{#if: |, }}
1-hydrate
150 , }}150°C{{#if: |, }}
1-hydrate
, }}200°C{{#if: |, }}
anhydrous
200 , }}200°C{{#if: |, }}
anhydrous
, }}1124°C{{#if: |, }}
{{#Chem: MgO, SO3}}
1124 , }}1124°C{{#if: |, }}
{{#Chem: MgO, SO3}}
Thermal decomposition{{#if: magnesium sulfate 11-hydrate| of
magnesium sulfate 11-hydrate}}
2 , }}2°C{{#if: |, }}
7-hydate
, }}150°C{{#if: |, }}
1-hydrate
150 , }}150°C{{#if: |, }}
1-hydrate
, }}200°C{{#if: |, }}
anhydrous
200 , }}200°C{{#if: |, }}
anhydrous
, }}1124°C{{#if: |, }}
{{#Chem: MgO, SO3}}
1124 , }}1124°C{{#if: |, }}
{{#Chem: MgO, SO3}}

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Uses

Primary

  • Pharm: WHO LEM, Emergency Medicine

Other

  • Dessicant: heptahydrate decomposes at 150°C to monohydrate. This temperature is conveniently higher than the 100°C for boiling water, so the absorbed water will remain locked even if unabsorbed water is removed by distillation.
  • Fertilizer: soluble source of both magnesium (for chlorophyll) and sulfur
  • Treatment for barium/cadmium poisoning
  • Treatment for cardiac arrhythmia
  • Bronchodialator

Natural occurrence

  • Magnesium sulfate occurs as the mineral epsomite

Hazards

Production

Extraction

Synthesis

Combine Magnesium carbonate or magnesium hydroxide with sulfuric acid, giving magnesium sulfate

{{#Chem: MgCO3 + H2SO4 = MgSO4 + CO2 + H2O}}
{{#Chem: Mg(OH)2 + H2SO4 + MgSO4 + 2H2O}}

Purification

Testing

Storage

Disposal

See Also

References

<references/>

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