Material Safety Data Sheet
Zinc sulfate heptahydrate

ACC# 25580
Section 1 - Chemical Product and Company Identification

MSDS Name: Zinc sulfate heptahydrate
Catalog Numbers: S71227, S79875, Z0260, Z0265, Z4-12, Z4-212, Z4-500, Z68-3, Z68-500, Z76-12, Z76-3, Z76-500
Sulfuric acid zinc salt (1:1) heptahydrate.
Company Identification:

              Fisher Scientific
              1 Reagent Lane
              Fair Lawn, NJ 07410
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Section 2 - Composition, Information on Ingredients

CAS# Chemical Name Percent EINECS/ELINCS
7446-20-0 Zinc sulfate, heptahydrate 100 unlisted
7733-02-0 Zinc sulfate anhydrous - 231-793-3

Hazard Symbols:
Risk Phrases:
36/38 50/53

Section 3 - Hazards Identification


Appearance: colorless solid. Caution! May cause digestive tract irritation. Causes eye and skin irritation. Causes respiratory tract irritation.
Target Organs: None.

Potential Health Effects
Eye: Causes eye irritation.
Skin: Causes skin irritation.
Ingestion: May cause irritation of the digestive tract.
Inhalation: Causes respiratory tract irritation.
Chronic: Not available. None

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.
Notes to Physician: Treat symptomatically and supportively.
Antidote: None reported.

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.
Extinguishing Media: Substance is noncombustible; use agent most appropriate to extinguish surrounding fire.
Flash Point: Not applicable.
Autoignition Temperature: Not applicable.
Explosion Limits, Lower:Not available.
Upper: Not available.
NFPA Rating: Not published.

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.

Section 7 - Handling and Storage

Handling: Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Storage: Store in a dry area. 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.
Exposure Limits
Chemical Name ACGIH NIOSH OSHA - Final PELs
Zinc sulfate, heptahydrate none listed none listed none listed
Zinc sulfate anhydrous none listed none listed none listed

OSHA Vacated PELs: Zinc sulfate, heptahydrate: No OSHA Vacated PELs are listed for this chemical. Zinc sulfate anhydrous: No OSHA Vacated PELs are listed for this chemical.
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 minimize contact with skin.
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
Appearance: colorless
Odor: odorless
pH: Not available.
Vapor Pressure: Not available.
Vapor Density: Not available.
Evaporation Rate:Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point:122 deg F
Decomposition Temperature:Not available.
Solubility: Soluble in water
Specific Gravity/Density:1.96
Molecular Formula:ZnSO4.7H2O
Molecular Weight:287.5314

Section 10 - Stability and Reactivity

Chemical Stability: Stable.
Conditions to Avoid: Excess heat.
Incompatibilities with Other Materials: None reported with materials and contaminants which the material may reasonably come into contact.
Hazardous Decomposition Products: Oxides of sulfur, toxic fumes of zinc oxide.
Hazardous Polymerization: Has not been reported.

Section 11 - Toxicological Information

CAS# 7446-20-0: ZH5300000
CAS# 7733-02-0: ZH5260000
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;
Oral, rat: LD50 = 30.8 mg(Zn)/kg;
CAS# 7446-20-0: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA. CAS# 7733-02-0: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
Epidemiology: No data available.
Teratogenicity: No data available.
Reproductive Effects: No data available.
Neurotoxicity: No data available.
Mutagenicity: No data available.
Other Studies: No data available.

Section 12 - Ecological Information

Ecotoxicity: No data available. No information found.
Environmental: No information reported.
Physical: No information found.
Other: May be toxic to aquatic organisms; May cause long-term adverse effects in the aquatic environment.

Section 13 - Disposal Considerations

Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. US EPA guidelines for the classification determination are listed in 40 CFR Parts 261.3. Additionally, waste generators must consult state and local hazardous waste regulations to ensure complete and accurate classification.
RCRA P-Series: None listed.
RCRA U-Series: None listed.

Section 14 - Transport Information

Shipping Name: CORROSIVE SOLIDS, N.O.S. No information available.
Hazard Class: 8
UN Number: UN1759
Packing Group: II

Section 15 - Regulatory Information


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.
Health & Safety Reporting List
None of the chemicals are on the Health & Safety Reporting List.
Chemical Test Rules
None of the chemicals in this product are under a Chemical Test Rule.
Section 12b
None of the chemicals are listed under TSCA Section 12b.
TSCA Significant New Use Rule
None of the chemicals in this material have a SNUR under TSCA.

CERCLA Hazardous Substances and corresponding RQs
CAS# 7733-02-0: 1000 lb final RQ; 454 kg final RQ
SARA Section 302 Extremely Hazardous Substances
None of the chemicals in this product have a TPQ.
SARA Codes
CAS # 7446-20-0: acute.
Section 313
This material contains Zinc sulfate, heptahydrate (listed as Zinc), 100%, (CAS# 7446-20-0) which is subject to the reporting requirements of Section 313 of SARA Title III and 40 CFR Part 373. This chemical is not at a high enough concentration to be reportable under Section 313.
Clean Air Act:
This material does not contain any hazardous air pollutants. This material does not contain any Class 1 Ozone depletors. This material does not contain any Class 2 Ozone depletors.
Clean Water Act:
CAS# 7733-02-0 is listed as a Hazardous Substance under the CWA. None of the chemicals in this product are listed as Priority Pollutants under the CWA. None of the chemicals in this product are listed as Toxic Pollutants under the CWA.
None of the chemicals in this product are considered highly hazardous by OSHA.
CAS# 7446-20-0 is not present on state lists from CA, PA, MN, MA, FL, or NJ.
CAS# 7733-02-0 can be found on the following state right to know lists: California, New Jersey, Pennsylvania, Massachusetts.
California No Significant Risk Level: None of the chemicals in this product are listed.

European/International Regulations

European Labeling in Accordance with EC Directives
Hazard Symbols:
Risk Phrases:

R 36/38 Irritating to eyes and skin.
R 50/53 Very toxic to aquatic organisms; may cause
long-term adverse effects in the aquatic environment.

Safety Phrases:

S 22 Do not breathe dust.
S 25 Avoid contact with eyes.
S 60 This material and/or its container must be
disposed of as hazardous waste.
S 61 Avoid release to the environment. Refer to
special instructions/Safety data sheets.

WGK (Water Danger/Protection)

CAS# 7446-20-0: 1
CAS# 7733-02-0: 1
Canada - DSL/NDSL
CAS# 7733-02-0 is listed on Canada's DSL List.
Canada - WHMIS
This product has a WHMIS classification of E.
Canadian Ingredient Disclosure List
CAS# 7446-20-0 is not listed on the Canadian Ingredient Disclosure List.
CAS# 7733-02-0 is listed on the Canadian Ingredient Disclosure List.
Exposure Limits
CAS# 7446-20-0 (listed as zinc): OEL-ARAB Republic of Egypt:TWA 0.1 mg

Section 16 - Additional Information

MSDS Creation Date: 12/12/1997
Revision #3 Date: 3/27/2001

The information above is believed to be accurate and represents the best information currently available to us. However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use. Users should make their own investigations to determine the suitability of the information for their particular purposes. In no event shall Fisher be liable for any claims, losses, or damages of any third party or for lost profits or any special, indirect, incidental, consequential or exemplary damages, howsoever arising, even if Fisher has been advised of the possibility of such damages.