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 DPTU
CAS #
102-08-9
1. Product Identifications
Product Name: DPTU
Chemical Name: Diphenythiourea
Formula: C13H12N2S
2. Physical Description/Properties
Specific Gravity: NA
Melting Point (C?Min): 145
PH Value NA
Appearance: Off-white powder
Odor: NA
Taste: NA
Solubility: Slightly soluble in water
Volatiles % <0.5
Ash % <0.5
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 or drying of skin.
Inhalation may cause upper respiratory irritation, nose soreness and coughing.
Toxic if ingested.
4. First Aid Information
Skin: Remove contaminated clothing and wash before re-use.
Immediately wash contaminated skin with running water.
Material Safety Data Sheet /DPTU/ Page 2
Ingestion: Immediately rinse mouth with water. Do not induce
vomiting. Seek immediate medical attention.
Eyes: Flush with water for 15 minutes. Seek immediate
medical attention.
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
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
LD50 acute oral for rats: 50 mg/kg
8. Fire and Explosion Data
Flash point: Not available
Exposure standard limits: Not available
Flammable
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.
Material Safety Data Sheet /DPTU/ Page 3
Materials to avoid: Strong oxidizers, acids.
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.
RCRA STATUS: None Listed
11. Transportation Information
DOT Status Class 6.1.Toxic
DOT shipping name Toxic solid,N.O.S. N,N'diphenylthiourea
6.1, UN2811,PGII
DOT reportable qty. (lbs) 1001
UN/NA number 2811
12. Regulatory Information
Worldwide Inventory Status
TSCA (USA): Listed
Canadian DSL: Listed
Canadian NDSL: Not Applicable. Listed on the DSL.
EINECS/ELINCS (Europe): Listed
Japanese Inventory (ENCS): Listed
Korean Chemical Inventory (ECL): Listed
Australian Chemical Inventories (AICS): Listed
New Zealand (NZ): Listed
Phillipines (PICCS) Inventory: Listed
China (CLECS): Listed
US Regulatory Rules
SARA Section 302: None Found
SARA 311/312 Hazard Categories: Immediate
SARA 313 Chemical: NONE
RCRA Status: Not a Hazardous Waste
Other Regulations:
Hazard symbol: T Toxic
Risk phrases: 25, 43
Safety phrases: 20,24,37,45
Material Safety Data Sheet /DPTU/ Page 4
California Proposition 65: NONE
New Jersey Right-to-Know List: Not Listed
Pennsylvania Right to Know List: Not Listed
Florida Right to Know: Not Listed
Minnesota Right to Know: Not Listed
MA Right to Know Law: Not Listed
FDA Status 21 CFR: Regulated for Use under the following
sections of 21 CFR: 177.2600 Rubber
Articles Intended for Repeated use in
Food Contact. 175.105 Components of
Adhesives.
13. Other Information
HMIS Classification Health 2 Flammability 1 Reactivity 1
OSHA: Hazardous by definition of Hazard Communication Standard
29CFR 1910.1200
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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