Product Identification

Product Name

Magnesium nitrate hexahydrate

CAS

13446-18-9

Formula

Mg(NO3)2.6H2O

Formula

H12MgN2O12

Molecular Weight

256.41000000000003

EINECS

233-826-7

RTECS

OM3756000

RTECS Class

Primary Irritant

Merck

13,5697

Beilstein/Gmelin

72339 (G)

EC Class

oxidizing

Physical and Chemical Properties

Appearance

White crystalline powder

Solubility in water

1250 g/L

Melting Point

89

Density

1.464 g/cm3 (60 C)

Heat Of Vaporization

Usage

Fertilizer blends, ceramics, printing.

Vapor Density

WATER VAP

Odor threshold

Odorless

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 immediately.

Inhalation

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

Skin

Immediately 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

In case of contact with substance, immediately flush with running water for at least 20 minutes.

Handling and Storage

Storage

Do not store near combustible materials. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.

Handling

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid contact with clothing and other combustible materials. Avoid ingestion and inhalation.

Hazards Identification

Inhalation

Dust is irritating to the respiratory tract. May cause methemoglobinemia, cyanosis, convulsions, tachycardia, dyspnea, and death. May cause effects similar to those described for ingestion.

Skin

May cause moderate skin irritation.

Eyes

May cause moderate eye irritation.

Ingestion

May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May cause methemoglobinemia, cyanosis, convulsions, and death. Excessive amounts of magnesium may cause central nervous system depression, respiratory paralysis, and cardiac arrest.

Hazards

May explode from heat or contamination. May react explosively with hydrocarbons (fuels). May ignite combustibles.

EC Risk Phrase

R 8

EC Safety Phrase

S 17 24/25

UN (DOT)

1474

Exposure Controls/Personal Protection

Personal Protection

Wear appropriate protective gloves, clothing and goggles.

Respirators

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Exposure Effects

Repeated exposure may cause kidney damage and digestive tract abnormalities.

Fire Fighting Measures

Fire Fighting

Small Fires: Use water. Do not use dry chemicals or foams. carbon dioxide or Halon may provide limited control. Large Fires: Flood fire area with water from a distance.

Fire Potential

These substances will accelerate burning when involved in a fire.

Accidental Release Measures

Small spills/leaks

Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity

Disposal Code

14

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizers and reducing agents. Substance undergoes violent decomposition when in contact with dimethyl formamide.

Decomposition

Nitrogen oxides, oxides of magnesium.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

1474

Hazard Class

5.1

Packing Group

III

HS Code

2834 29 80