Product Identification

Product Name

1,5-Diphenylcarbazide

Synonyms

1,3-Bis(phenylamino)urea
1,5-Diphenylcarbohydrazide
2,2'-Diphenylcarbonic dihydrazide
S-Diphenylcarbohydrazide

CAS

140-22-7

Formula

C13H14N4O

Molecular Weight

242.28

EINECS

205-403-7

RTECS

FF2750000

RTECS Class

Mutagen

Merck

13,3353

Beilstein/Gmelin

752039

Beilstein Reference

4-15-00-00182

Physical and Chemical Properties

Appearance

White to pink, odorless powder.

Solubility in water

Insoluble

Melting Point

170 - 172

Boiling Point

454

Density

1.31 g/cm3

Partition Coefficient

1.54

Usage

Used as a indicator in titrating fe.

First Aid Measures

Ingestion

Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.

Inhalation

Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.

Skin

Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.

Eyes

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. If irritation develops, get medical aid.

Handling and Storage

Storage

Keep away from heat and flame. Store in a cool, dry place. Keep from contact with oxidizing materials.

Handling

Use with adequate ventilation. Avoid contact with skin and eyes. Avoid ingestion and inhalation.

Hazards Identification

Inhalation

May cause respiratory tract irritation.

Skin

May cause skin irritation.

Eyes

Dust may cause mechanical irritation.

Ingestion

Causes gastrointestinal irritation with nausea, vomiting and diarrhea.

EC Safety Phrase

S 22 24/25

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 gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.

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.

Exposure Effects

May cause irritation of the eyes, skin and respiratory tract.

Fire Fighting Measures

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. This material in sufficient quantity and reduced particle size is capable of creating a dust explosion. Extinguishing media: For small fires, use water spray, dry chemical, carbon dioxide or chemical foam. In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Use water spray to cool fire-exposed containers.

Accidental Release Measures

Small spills/leaks

Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions.

Stability and Reactivity

Disposal Code

3

Stability

Stable under normal shipping and handling conditions. Decomposes when heated.

Incompatibilities

Strong oxidizing agents.

Decomposition

Nitrogen oxides, carbon monoxide, carbon dioxide.

Transport Information

HS Code

2928 00 90