WESTERN RESERVE CHEMICAL
4837 DARROW RD. PH# 330-650-2244
STOW, OHIO 44224 Fax# 330-650-2255
CHEMTREC NUMBER 1/800-424-9300
MATERIAL SAFETY DATA SHEET
Westco AO-29
CAS #
68442-68-2
1. Product Identifications
Product Name: Westco AO 29
Chemical Name: Styrenated diphenylamines
2. Physical Description/Properties
Specific Gravity: 1.08 ?1.10
PH Value(1% in water) NA
Appearance: Viscous amber liquid
Odor: Aromatic
Solubility: Soluble in acetone and benzene. Insoluble in cold
water. Slightly soluble in warm water.
Thermal decomposition >200癈
3. Hazard Information
CAS# Concentration
Hazardous component: Diphenylamine 122-39-4 <1% by wt.
Keep away from heat, sparks and flame.
Eye irritant-Can cause redness, tearing and swelling.
Skin contact may cause allergic reaction.
Inhalation may cause upper respiratory irritation.
Harmful if swallowed
Material Safety Data Sheet /Westco AO-29/ Page 2
4. First Aid Information
Skin: Remove contaminated clothing and wash before re-use.
Immediately wash contaminated skin with running water.
Ingestion: Immediately rinse mouth with water. Induce vomiting only at
the instruction of a physician. Seek immediate medical
attention.
Eyes: Flush with water for 15 minutes. Seek medical attention if
irritation persists.
Inhalation: Remove person to fresh air. Get immediate medical
attention if breathing is difficult or short.
5. Handling and Storage
Storage: Store in a dry well-ventilated area avoiding direct
exposure to sunlight
Stability in storage: four years
6. Employee Protection Recommendations
The employee should wear protective clothes and avoid direct physical contact
with the product.
Eye Protection: Wear chemical safety glasses or goggles
Hand Protective Requirements: Wear protective gloves.
Skin Protective Requirements: Wear overalls.
Ventilation: Local exhaust
7. Toxicological Information
Low toxicity
LD50 acute oral for rats: >40,000 mg/kg
LD50 acute skin for rabbits: >10,000 mg/kg
8. Fire and Explosion Data
Flash point: >230癈
Exposure standard limits: Not available
Extinguish Media: Carbon Dioxide, foam, sand or dry chemical.
Material Safety Data Sheet/Westco AO-29/ Page 3
9. Reactivity
Chemical stability: Stable when stored in original container protected from heat
and moisture.
Hazardous Polymerization: Does not occur.
Materials to avoid: Strong oxidizers.
Hazardous products of decomposition: Oxides of nitrogen, carbon and sulfur
10. Accidental Release and Disposal
Spills: Sweep and place in closable container. Avoid generation of dust. Wear
appropriate protective clothing and safety devices. Do not use water to remove
spilled material.
Disposal: Bury waste and empty containers in licensed landfill in adherence to
federal, state and local regulations.
11. Transportation Information
DOT Status Not Regulated
DOT shipping name None
DOT reportable qty. (lbs) None
ICAO/IATA Status Not regulated
Proper shipping name None
UN/NA number None
IMDG Status Not regulated
TDG Canada Not regulated
12. Regulatory Information
TSCA (USA): All components are listed.
Canadian DSL: All components are listed.
Canadian NDSL: Not Applicable. Listed on the DSL.
EINECS/ELINCS (Europe): All components are listed.
US Regulatory Rules
SARA Section 303: None found
SARA 311/312 Hazard Categories: None
SARA 313: None
Other Regulations:
Material Safety Data Sheet/Westco AO-29/ Page 4
California Proposition 65: NONE
New Jersey Right-to-Know List: Not Applicable.
Pennsylvania Right-to-Know List: Not Applicable.
Florida Right-to-Know List: Not Applicable.
Minnesota Right-to-Know List: Not Applicable.
MA Right-to-Know List: Not Applicable.
Not a hazardous material under OSHA regulation CFR title 29, part 1910.1200.
13. Other Information
HMIS Classification Health 1 Flammability 1 Reactivity 0
Important Note: The information provided is without warranty regarding its
accuracy or completeness. The information may not be valid under all conditions.
The user has the final responsibility for determining the suitability of the product
in a given application.