WESTERN RESERVE CHEMICAL
4837 DARROW RD. PH# 330-650-2244
STOW, OHIO 44224 Fax# 330-650-2255
CHEMTREC 1-800-424-9300 (USA)
MATERIAL SAFETY DATA SHEET
WESTCO DPPD
CAS #
74-31-7
1. Product Identifications
Product Name: Westco DPPD
Chemical Name: N,N'-Diphenyl-p-Phenylenediamine
Formula: C18H16N2
2. Physical Description/Properties
Melting Point (C癕in): 125
Density (g/cm3): 1.21
PH Value: NA
Appearance: Gray to brown powder
Solubility: Partially soluble in organic solvents
Insoluble in water.
Volatiles % <0.5
Ash% <0.4
Material Safety Data Sheet /DPPD/ Page 2
3. Hazard Information
Combustible dust
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.
Ingestion of large quantities can cause damage to the liver and kidneys.
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: one year
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: >5,000mg/kg
Material Safety Data Sheet /DPPD/ Page 3
8. Fire and Explosion Data
Flash point: 450癋
Exposure standard limits: Not available
Extinguish Media: Spray water, Carbon Dioxide, foam,
sand or dry chemical.
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, acids and basis.
Hazardous products of
decomposition: Oxides of nitrogen and carbon.
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.
Material Safety Data Sheet /DPPD/ Page 4
US Regulatory Rules
SARA Section 302: None found
SARA 311/312 Hazard Categories: Immediate Health Hazard
SARA 313 Chemical: NONE
Other Regulations:
California Proposition 65: NONE
New Jersey Right-to-Know List: N,N'-Diphenyl-p-
phenylenediamine.
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.
FDA Status 21 CFR: Regulated for Use under the
following sections of 21 CFR:
177.2600 Rubber Articles
intended for Repeated Use
not to exceed 5% by weight.
13. Other Information
HMIS Classification Health 2 Flammability 3 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.
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