General

See also Magnesium sulfate heptahydrate (Epsom salts)
Synonyms: magnesium sulphate, sulfuric acid magnesium salt
Use:
Molecular formula: MgSO₄
CAS No: 7487-88-9
EC No: 231-298-2

Physical data

Appearance: solid
Melting point:
Boiling point:
Vapour density:
Vapour pressure:
Density (g cm^-3): 1.07
Flash point:
Explosion limits:
Autoignition temperature:
Water solubility:
 

Stability

Stable. Hygroscopic.

Toxicology

May be harmful if swallowed. May act as an irritant.

Toxicity data
(The meaning of any abbreviations which appear in this section is given here.)
IVN-WMN LDLO 80 mg kg^-1 / 2m-i
SCU-RAT LD50 1200 mg kg^-1
IPR-MUS LD50 1029 mg kg^-1
SCU-MUS LD50 645 mg kg^-1

Risk phrases
(The meaning of any risk phrases which appear in this section is given here.)

Transport information

Non-hazardous for air, sea and road freight.

Personal protection

Minimize exposure.

Safety phrases
(The meaning of any safety phrases which appear in this section is given here.)
S22 S24 S25.

[Return to Physical & Theoretical Chemistry Lab. Safety home page.]

This information was last updated on March 5, 2005. We have tried to make it as accurate and useful as possible, but can take no responsibility for its use, misuse, or accuracy. We have not verified this information, and cannot guarantee that it is up-to-date.