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zinc sulfate heptahydrate 7446-20-0 MSDS
Name: Zinc sulfate heptahydrate p.a. Material Safety Data Sheet
Synonym:
CAS: 7446-20-0
Section 1 - Chemical Product   MSDS Name:Zinc sulfate heptahydrate p.a. Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
7446-20-0 Zinc sulfate heptahydrate 100 unlisted
Hazard Symbols: XI
Risk Phrases: 36/38

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Irritating to eyes and skin.Hygroscopic (absorbs moisture from the air).
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation.
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.
Chronic:
Not available.

Section 4 - FIRST AID MEASURES
  Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
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 and move 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.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, 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.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.

Section 7 - HANDLING and STORAGE
  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.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Personal Protective Equipment 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 29 CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Solid
Color: white
Odor: Odorless
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 100 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: >500 deg C
Solubility in water: 1g/0.6ml
Specific Gravity/Density: 1.9570g/cm3
Molecular Formula: O4SZn.7H2O
Molecular Weight: 287.53

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Not available.
Hazardous Decomposition Products:
Oxides of sulfur, toxic fumes of zinc oxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 7446-20-0: ZH5300000 CAS# 7733-02-0: ZH5260000 LD50/LC50:
CAS# 7446-20-0: Oral, mouse: LD50 = 200 mg/kg; Oral, rat: LD50 = 1260 mg/kg.
CAS# 7733-02-0: Draize test, rabbit, eye: 420 ug Moderate; Oral, mouse: LD50 = 245 mg/kg; Oral, rabbit: LD50 = 2 gm/kg.
Carcinogenicity:
Zinc sulfate heptahydrate - Not listed by ACGIH, IARC, or NTP.
Zinc sulfate anhydrous - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
  Ecotoxicity:
Fish toxicity: LC50 (96 hr) cichlid 13 ppm Lethal in fathead minnow at <10 mg/l as zinc (exp. unspecified) [The Dictionary of Substances and their Effects, 1992]

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.
USA RQ:CAS# 7733-02-0: 1000 lb final RQ; 454 kg final RQ

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI
Risk Phrases:
R 36/38 Irritating to eyes and skin.
Safety Phrases:
S 22 Do not breathe dust.
S 25 Avoid contact with eyes.
WGK (Water Danger/Protection)
CAS# 7446-20-0: 1
CAS# 7733-02-0: 1
United Kingdom Occupational Exposure Limits
United Kingdom Maximum Exposure Limits
Canada
CAS# 7446-20-0 is listed on Canada's DSL List.
CAS# 7733-02-0 is listed on Canada's DSL List.
CAS# 7446-20-0 is not listed on Canada's Ingredient Disclosure List.
CAS# 7733-02-0 is listed on Canada's Ingredient Disclosure List.
Exposure Limits
CAS# 7446-20-0 (listed as ** undefined **): OEL-ARAB Republic of Egypt
:TWA 0.1 mg/m3
US FEDERAL
TSCA
CAS# 7446-20-0 is not on the TSCA Inventory because it is a hydrate.
It is considered to be listed if the CAS number for the anhydrous form
is on the inventory (40CFR720.3(u)(2)).
CAS# 7733-02-0 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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