Product Identification

Product Name

Magnesium sulfate

Synonyms

Sulfuric acid magnesium salt (1:1)

CAS

7487-88-9

Formula

MgO4S

Molecular Weight

120.37

EINECS

231-298-2

RTECS

OM4500000

RTECS Class

Drug; Mutagen; Reproductive Effector; Human Data

Merck

12,5731

Beilstein/Gmelin

12840 (G)

Physical and Chemical Properties

Appearance

Colorless rhombic crystals.

Solubility in water

Soluble

Melting Point

1127

Density

2.65 g/cm3

Usage

Weighting cotton & silk, incr bleaching action of chlorinated lime, manufacture of mother of pearl & frosted papers, fire-proofing fabrics, dyeing & printing calicos, in fertilizers, explosives, matches, mineral water.

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.

Inhalation

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.

Skin

Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. Wash clothing before reuse.

Eyes

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage

Storage

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Handling

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Keep container tightly closed. Use with adequate ventilation.

Hazards Identification

Ingestion

Causes gastrointestinal irritation with nausea, vomiting and diarrhea. Ingestion of large amounts of magnesium may decrease the amount of acetylcholine liberated by motor nerve impulse.

Inhalation

May cause respiratory tract irritation.

Skin

May cause skin irritation.

Eyes

May cause mild eye irritation.

Exposure Controls/Personal Protection

Personal Protection

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

Respirators

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.

Poison Class

F (Not subject to toxicity classification)

Fire Fighting Measures

Flash Point

1124

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Material will not burn. Decomposes at high temperatures, resulting in toxic and corrosive products. Extinguishing media: Use extinguishing media most appropriate for the surrounding fire. In case of fire use water fog, dry chemical, carbon dioxide or alcohol type foam.

Fire Potential

Nonflammable.

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity

Disposal Code

14

Incompatibilities

Moisture. Explosive when heated with ethoxyethynl alcohols.

Stability

Stable under normal temperatures and pressures.

Decomposition

Sulfur oxides (SOx), including sulfur oxide and sulfur dioxide.

Transport Information

HS Code

2833 21 00