Product Main

Specifications

Product Identification
Synonyms: Sulfuric acid, zinc salt (1:1) heptahydrate; Zinc vitriol, heptahydrate; Zinc sulfate, heptahydrate
CAS No.: 7733-02-0 (Anhydrous) 7446-20-0 (heptahydrate)
Molecular Weight: 287.56
Chemical Formula: ZnSO4.7H2O
Product Codes: J.T. Baker: 4382, 4383, 4384
Mallinckrodt: 7805, 8872, 8880                                                     
 
2. Composition/Information on Ingredients
 Ingredient                                CAS No         Percent        Hazardous                                    ---------------------------------------   ------------   ------------   ---------      Zinc Sulfate                              7733-02-0          100%          Yes                                                                
 
3. Physical and Chemical Properties
Appearance:         
Colorless crystals or granules.
Odor: Odorless.      
Solubility: Soluble in water.
Specific Gravity: 1.97                                                                 
pH: ca. 4.5 Aqueous solution
% Volatiles by volume @ 21C (70F): 0
Boiling Point:
> 500C (> 932F) Decomposes.
Melting Point:
100C (212F) Loses all water at 280C.
Vapor Density (Air=1):
No information found.
Vapor Pressure (mm Hg):
No information found.
Evaporation Rate (BuAc=1):
No information found.
 
4. Stability and Reactivity
Stability:                                 
Stable under ordinary conditions of use and storage.
Hazardous Decomposition Products:
Oxides of sulfur and oxides of zinc. Reacts with water to form sulfuric acid.
Hazardous Polymerization:
Will not occur.
Incompatibilities:
Lead, calcium, strontium salts, borax, alkali carbonates and hydroxides, silver protein and tannins.
Conditions to Avoid:
Heat, moisture, incompatibles.                            
 
5. Toxicological Information
Hydrate: Oral rat LD50: 2150 mg/kg. Investigated as a mutagen.
For anhydrous zinc sulfate: oral rat LD50: 1710 mg/kg; Irritation, rabbit eye, standard Draize: 420 ug, moderate.Investigated as a tumorigen, mutagen, reproductive effector.
  --------\Cancer Lists\------------------------------------------------------                                         ---NTP Carcinogen---  Ingredient                             Known    Anticipated    IARC Category  ------------------------------------   -----    -----------    -------------  Zinc Sulfate (7733-02-0)                No          No            None
 
6. Ecological Information
Environmental Fate:
No information found.                                                    
Environmental Toxicity:
The LC50/96-hour values for fish are between 1 and 10 mg/l. This material is expected to be toxic to aquatic life.
 
7. Regulatory Information
  --------\Chemical Inventory Status - Part 1\---------------------------------  Ingredient                                       TSCA  EC   Japan  Australia  -----------------------------------------------  ----  ---  -----  ---------  Zinc Sulfate (7733-02-0)                          Yes  Yes   Yes      Yes                                         --------\Chemical Inventory Status - Part 2\---------------------------------                                                          --Canada--  Ingredient                                       Korea  DSL   NDSL  Phil.  -----------------------------------------------  -----  ---   ----  -----  Zinc Sulfate (7733-02-0)                          Yes   Yes   No     Yes        --------\Federal, State & International Regulations - Part 1\----------------                                             -SARA 302-    ------SARA 313------  Ingredient                                 RQ    TPQ     List  Chemical Catg.  -----------------------------------------  ---   -----   ----  --------------  Zinc Sulfate (7733-02-0)                   No    No      No    Zinc compoun   --------\Federal, State & International Regulations - Part 2\----------------                                                        -RCRA-    -TSCA-  Ingredient                                 CERCLA     261.33     8(d)   -----------------------------------------  ------     ------    ------  Zinc Sulfate (7733-02-0)                   1000       No         No     Chemical Weapons Convention:  No     TSCA 12(b):  No     CDTA:  NoSARA 311/312:  Acute: Yes      Chronic: No   Fire: No  Pressure: NoReactivity: No          (Pure / Solid)
Australian Hazchem Code: None allocated.
Poison Schedule: S6
WHMIS:
This MSDS has been prepared according to the hazard criteria of the Controlled Products Regulations (CPR) and the MSDS contains all of the information required by the CPR.