MATERIAL SAFETY DATA SHEET 01530 Pg. 1
Issued: 11/19/07
1. Chemical Product and Contact Information
Cystine
Product Name: Part Number:
502-207
LECO Corporation
3000 Lakeview
St. Joseph, Michigan 49085
Information: 269-983-5531
Chemtrec: 800-424-9300
(Chemtrec Int'l: 703-527-3887)
2. Composition/Information on Ingredients
OSHA ACGIH Typical %
Component CAS No. PEL (mg/m 3) TLV (mg/m3) by Weight
Cystine 56-89-3 Not given Not given > 99
3. Hazard Identification
EMERGENCY OVERVIEW
No unusual fire hazard; minor spill hazard. Moderate health hazard. Odorless white powder.
Potential Health Effects
EYES: Not available.
SKIN: Irritation.
INHALATION: Irritation.
INGESTION: Irritation.
MEDICAL CONDITIONS AGGRAVATED: Not available.
CHRONIC OVEREXPOSURE: Not available.
ACUTE OVEREXPOSURE: Not available.
CARCINOGENICITY: Not available.
P/N: 502-207
MATERIAL SAFETY DATA SHEET 01530 Pg. 2
4. First Aid Measures
EYES: Flush with copious amounts of water for at least 15 minutes; assure adequate flushing by
separating the eyelids with fingers. Call a physician.
SKIN: Flush with copious amounts of water for at least 15 minutes. Remove contaminated clothing
and shoes. Call a physician.
INHALATION: Remove to fresh air. If breathing becomes difficult, call a physician.
INGESTION: Wash out mouth with water provided person is conscious. Call a physician.
5. Fire Fighting Measures
FLAMMABLE PROPERTIES: Non-flammable.
Flash Point: Not available. Method Used: Not available.
Flammable Limits (% by Volume in Air):
Lower: Not available. Upper: Not available.
AUTO-IGNITION TEMPERATURE: Not available.
HAZARDOUS COMBUSTION PRODUCTS: Not available.
EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical powder or appropriate
foam.
FIREFIGHTING INSTRUCTIONS: Wear self-contained breathing apparatus and protective
clothing to protect contact with skin and eyes.
6. Accidental Release Measures
SMALL/LARGE SPILL: Wear protective equipment. Sweep up, place in a bag and hold for waste
disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is
complete.
7. Handling and Storage
HANDLING: Refer to Section 8.
STORAGE: Store in a cool, dry place. Keep container closed.
8. Exposure Controls/Personal Protection
ENGINEERING CONTROLS: Use mechanical exhaust.
RESPIRATORY PROTECTION: Use appropriate NIOSH/MSHA approved respirator..
SKIN AND HAND PROTECTION: Chemical-resistant gloves.
EYE AND FACE PROTECTION: Safety goggles.
OTHER PROTECTIVE EQUIPMENT: Protective clothing.
P/N: 502-207
MATERIAL SAFETY DATA SHEET 01530 Pg. 3
9. Physical and Chemical Properties
APPEARANCE: White powder.
BOILING POINT: Not available.
FREEZE-MELT POINT: > 464掳 F. (240掳 C.)
VAPOR PRESSURE (mm): Not available.
VAPOR DENSITY (air = 1): Not available.
SOLUBILITY IN WATER: Not available.
SPECIFIC GRAVITY: Not available.
pH: Not available.
ODOR: None.
PERCENT VOLATILES: Not available.
EVAPORATION RATE (Butyl Acetate = 1): Not available.
10. Stability and Reactivity
CHEMICAL STABILITY (CONDITIONS TO AVOID): Stable.
INCOMPATIBILITY: Not available.
HAZARDOUS DECOMPOSITION PRODUCTS: Toxic fumes, carbon monoxide, carbon dioxide,
nitrogen oxides, sulfur oxides.
HAZARDOUS POLYMERIZATION: None.
11. Toxicological Information
Not available.
12. Ecological Information
Not available.
13. Disposal Consideration
Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped
with an afterburner and scrubber. Observe all federal, state and local environmental regulations.
14. Transportation Information
U.S.A. DOT: Not regulated.
P/N: 502-207
MATERIAL SAFETY DATA SHEET 01530 Pg. 4
15. Regulatory Information
U.S. FEDERAL REGULATIONS:
TSCA STATUS: On Toxic Substance Control Inventory.
CERCLA REPORTABLE QUANTITY: None.
SARA TITLE III:
Section 302 Extremely Hazardous Substances: None.
Section 313 Toxic Chemicals: None.
RCRA STATUS: Not regulated.
CANADIAN REGULATIONS:
WHMIS: Not regulated.
16. Other Information
Prepared By:
Jason Whitt
Information herein is given in good faith as authoritative and valid; however, no warranty, expressed
or implied can be made.
P/N: 502-207
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