Skip directly to search Skip directly to A to Z list Skip directly to page options Skip directly to site content
NIOSH

MAGNESIUM SULFATE

ICSC: 1197

Magnesium sulphate
MgSO4
Molecular mass: 120.4
ICSC # 1197 		CAS # 7487-88-9
RTECS # OM4500000
October 24, 1994 Validated

TYPES OF HAZARD/ EXPOSURE

ACUTE HAZARDS/ SYMPTOMS

PREVENTION

FIRST AID/
FIRE FIGHTING

FIRE Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.

In case of fire in the surroundings: all extinguishing agents allowed.
EXPLOSION


EXPOSURE


•INHALATION
Local exhaust.
Fresh air, rest.
•SKIN

Rinse skin with plenty of water or shower.
•EYES
Safety spectacles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
•INGESTION Abdominal cramps. Diarrhoea.
Do not eat, drink, or smoke during work. Wash hands before eating.
Rinse mouth. Give plenty of water to drink.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting. Then wash away with plenty of water (extra personal protection: P1 filter respirator for inert particles).
Dry.

ICSC: 1197 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

MAGNESIUM SULFATE

ICSC: 1197

I

M

P

O

R

T

A

N

T


D

A

T

A

PHYSICAL STATE; APPEARANCE:
WHITE CRYSTALS OR POWDER WITH BITTER SALINE TASTE.

PHYSICAL DANGERS:


CHEMICAL DANGERS:
The substance decomposes on heating or on burning giving off toxic and corrosive vapours such as sulfur oxides.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.


ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation and by ingestion.

INHALATION RISK:


EFFECTS OF SHORT-TERM EXPOSURE:


EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:

PHYSICAL
PROPERTIES

Decomposes below melting point: 1124°C
Relative density (water = 1): 2.65
Solubility in water: good

ENVIRONMENTAL
DATA


N O T E S

Magnesium sulfate heptahydrate is also known as Epsom salts or bitter salts.

ADDITIONAL INFORMATION



ICSC: 1197 MAGNESIUM SULFATE
(C) IPCS, CEC, 1994
IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
Top