Product Identification

Product Name

Zinc sulfate heptahydrate

Synonyms

Goslarite
Ophthazinc T
VasoClear A
Verazinc
White Vitrol
Zincfrin

CAS

7446-20-0

Formula

H14O11SZn

Molecular Weight

287.54000000000002

EINECS

231-793-3

RTECS

ZH5300000

RTECS Class

Agricultural Chemical and Pesticide; Mutagen; Human Data

Merck

12,10293

Beilstein/Gmelin

47216 (G)

EC Index Number

030-006-00-9

EC Class

irritant, dangerous for the environment

Physical and Chemical Properties

Appearance

Odorless crystaline powder or granules.

Solubility in water

540 g/L

Melting Point

100

Vapor Pressure

10.5 (20 C)

Density

1.9661 g/cm3 (16.2 C)

Usage

Used to supply zinc in animal feeds, fertilizers, and agricultural sprays.

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 if cough or other symptoms appear.

Skin

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.

Eyes

Immediately 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. Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.

Hazards Identification

Ingestion

Ingestion of large amounts may cause gastrointestinal irritation. Low hazard for usual industrial handling.

Inhalation

May cause respiratory tract irritation. Low hazard for usual industrial handling.

Skin

Causes skin irritation.

Eyes

Causes eye irritation.

Hazards

Containers may explode when heated.

EC Risk Phrase

R 36/38 50/53

EC Safety Phrase

S 22 25 60 61

UN (DOT)

9161

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

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.

Poison Class

3

Fire Fighting Measures

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Substance is noncombustible. Extinguishing media: Substance is noncombustible; use agent most appropriate to extinguish surrounding fire.

Fire Potential

May burn but does not ignite readily.

Accidental Release Measures

Small spills/leaks

Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity

Stability

Stable under normal shipping and handling conditions.

Decomposition

Oxides of sulfur, toxic fumes of zinc oxide.

Combustion Products

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

Transport Information

UN Number

9161

Hazard Class

9.2

HS Code

2833 26 00