1 Identification of substance:

        Trade name: Zinc oxide

        Stock number: SN3401

    Manufacturer/Supplier:
Sun Innovations,Inc.
43241 Osgood Rd.
Fremont, CA 94539

  2 Composition/Data on components:

    Chemical characterization:
           Description: (CAS#)  
zinc oxide (CAS# 1314-13-2); 99.5% 

    Identification number(s):

    EINECS Number: 215-222-5

  3 Hazards identification

    Hazard description: Xn Harmful

    Information pertaining to particular dangers for man and environment
R 20 Harmful by inhalation. 

  4 First aid measures

    After inhalation
Supply fresh air. If required, provide artificial respiration. Keep patient warm. 
Seek immediate medical advice. 

    After skin contact
Immediately wash with water and soap and rinse thoroughly. 
Seek immediate medical advice. 

    After eye contact
Rinse opened eye for several minutes under running water. Then consult a doctor. 

    After swallowing Seek immediate medical advice.

  5 Fire fighting measures

    Suitable extinguishing agents
Product is not flammable. Use fire fighting measures that suit the surrounding fire. 

    Protective equipment:
Wear self-contained respirator. 
Wear fully protective impervious suit. 

  6 Accidental release measures

    Person-related safety precautions:
Wear protective equipment. Keep unprotected persons away. 
Ensure adequate ventilation 

    Measures for environmental protection:
Do not allow material to be released to the environment without proper governmental permits. 

    Measures for cleaning/collecting:
Dispose contaminated material as waste according to item 13. 
Ensure adequate ventilation. 

    Additional information:
See Section 7 for information on safe handling 
See Section 8 for information on personal protection equipment. 
See Section 13 for disposal information. 

  7 Handling and storage

    Handling

    Information for safe handling:
Keep container tightly sealed. 
Store in cool, dry place in tightly closed containers. 
Ensure good ventilation at the workplace. 

    Information about protection against explosions and fires:
No special measures required. 

    Storage

    Requirements to be met by storerooms and receptacles:
No special requirements. 

    Information about storage in one common storage facility: Not required.

    Further information about storage conditions:
Keep container tightly sealed. 
Store in cool, dry conditions in well sealed containers. 

  8 Exposure controls and personal protection

    Additional information about design of technical systems:
Properly operating chemical fume hood designed for hazardous chemicals and having an average face velocity of at least 100 feet per minute. 

Components with limit values that require monitoring at the workplace: 
Zinc oxide                       mg/m³ 
ACGIH TLV             10 
Belgium TWA           10, 5 mg/m³ STEL 
Denmark TWA            4 
Finland TWA            5 fume 
France TWA             5 fume 
Hungary TWA            5 
Ireland TWA            5, 10 mg/m³ STEL fume 
Netherlands TWA        5 fume 
Poland TWA             5 fume 
Sweden TWA             5 
Switzerland TWA        5 
United Kingdom TWA     5, 10 mg/m³ STEL 
USA PEL               15 total dust, 5 mg/m³ respirable 

    Additional information: No data

    Personal protective equipment

    General protective and hygienic measures
The usual precautionary measures for handling chemicals should be followed. 
Keep away from foodstuffs, beverages and feed. 
Remove all soiled and contaminated clothing immediately. 
Wash hands before breaks and at the end of work. 

    Breathing equipment:
Use suitable respirator when high concentrations are present. 

    Protection of hands: Impervious gloves

    Eye protection: Safety glasses

    Body protection: Protective work clothing.

  9 Physical and chemical properties:

    Form: Powder

    Color: Milky White

    Odor: Odorless
 

                                         Value/Range  Unit    Method 
 

    Change in condition

    Melting point/Melting range:                  1975 ^oC

    Boiling point/Boiling range:       Not determined

    Sublimation temperature / start:   Not determined

    Flash point:                       Not applicable

    Ignition temperature:              Not determined

    Decomposition temperature:         Not determined

    Danger of explosion:
Product does not present an explosion hazard. 

    Explosion limits:

    Lower:                             Not determined

    Upper:                             Not determined

    Vapor pressure:                    Not determined

    Density:   at   20 ^oC           5.606 g/cm³

    Solubility in / Miscibility with

    Water:                             Insoluble

 10 Stability and reactivity

    Thermal decomposition / conditions to be avoided:
Decomposition will not occur if used and stored according to specifications. 

    Materials to be avoided:
Alkali metals 
Alkaline earth metals 

    Dangerous reactions Reacts with various metals

    Dangerous products of decomposition:
No dangerous decomposition products known 

 11 Toxicological information

    Acute toxicity:
LD/Lc50 values that are relevant for classification: 
zinc oxide (CAS# 1314-13-2); 100% 
Oral: LD50: 7950 mg/kg (mus) 
LD50: 8437 mg/kg (rat) 
Inhalative: LC50: 2500 mg/m³ (mus) 

    Primary irritant effect:

    on the skin: Irritant to skin and mucous membranes.

    on the eye: Irritating effect.

    Sensitization: No sensitizing effects known.

    Subacute to chronic toxicity:
Zinc containing fumes may cause metal fume fever.  Effects include dry throat, metallic taste, chest pain, dyspnea, rales and dry cough. Several hours later, chills may occur with lassitude, malaise, fatigue, headache, back pain, muscle cramps, blurred vision, nausea, fever, perspiration, vomiting and leukocytosis. 

    Additional toxicological information:
To the best of our knowledge the acute and chronic toxicity of this substance is not fully known. 
EPA-D: Not classifiable as to human carcinogenicity: inadequate human and animal evidence of carcinogenicity or no data are available. 

 12 Ecological information:

    General notes:
Do not allow material to be released to the environment without proper governmental permits. 

 13 Disposal considerations

    Product:

    Recommendation
Consult state, local or national regulations for proper disposal. 

    Uncleaned packagings:

    Recommendation:
Disposal must be made according to official regulations. 

 14 Transport information

Not a hazardous material for transportation. 

    DOT regulations:

    Hazard class:             None

    Land transport ADR/RID  (cross-border)

    ADR/RID class:                None

    Maritime transport IMDG:

    IMDG Class:               None

    Air transport ICAO-TI and IATA-DGR:

    ICAO/IATA Class:          None

    Transport/Additional information:
Not dangerous according to the above specifications. 

 15 Regulations

    Product related hazard informations:

    Hazard symbols: Xn Harmful

    Risk phrases: 20 Harmful by inhalation.

    Safety phrases:
9  Keep container in a well-ventilated place. 
36 Wear suitable protective clothing. 

    National regulations
All components of this product are listed in the U.S. Environmental Protection Agency Toxic Substances Control Act Chemical Substance Inventory. 

    Information about limitation of use:
For use only by technically qualified individuals. 

 16 Other information:

Employers should use this information only as a supplement to other information gathered by them, and should make independent judgement of suitability of this information to ensure proper use and protect the health and safety of employees.  This information is furnished without warranty, and any use of the product not in conformance with this Material Safety Data Sheet, or in combination with any other product or process, is the responsibility of the user.