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1,3-Diphenyl-2-thiourea(102-08-9)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information

Product Identification

Product Name
1,3-Diphenyl-2-thiourea

Synonyms
1,3-Di(phenyl)thiourea
sym-Diphenylthiourea

CAS
102-08-9

Formula
C13H12N2S

Molecular Weight
228.32

EINECS
203-004-2

RTECS
FE1225000

RTECS Class
Drug; Reproductive Effector

Merck
13,3366

Beilstein/Gmelin
644277

Beilstein Reference
4-12-00-00810

EC Class
toxic

Physical and Chemical Properties

Appearance
White to off-white powder.

Solubility in water
Insoluble

Melting Point
150 - 153

Boiling Point
365

Density
1.3205 g/cm3

Partition Coefficient
3.66

Usage
Vulcanizing accelerator, sulfur dyes.

First Aid Measures

Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.

Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.

Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.

Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Handling and Storage

Storage
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Handling
Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Do not ingest or inhale.

Hazards Identification

Ingestion
May be fatal if swallowed.

Inhalation
The toxicological properties of this substance have not been fully investigated. Inhalation of dust may cause respiratory tract irritation.

Skin
May cause skin irritation.

Eyes
Dust may cause mechanical irritation.

Hazards
Contact with metals may evolve flammable hydrogen gas.

EC Risk Phrase
R 25

EC Safety Phrase
S 22 36/37 45

UN (DOT)
2811

Exposure Controls/Personal Protection

Personal Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Poison Class
4

Fire Fighting Measures

Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Use agent most appropriate to extinguish fire.

Fire Potential
This material is probably combustible.