Product Identification

Product Name

Carbamide

Synonyms

Carbamide
Carbonyldiamide

CAS

57-13-6

Formula

CH4N2O

Molecular Weight

60.06

EINECS

200-315-5

RTECS

YR6250000

RTECS Class

Tumorigen; Drug; Mutagen; Reproductive Effector; Human Data; Primary Irritant

Merck

12,10005

Beilstein/Gmelin

635724

Beilstein Reference

4-03-00-00094

Physical and Chemical Properties

Appearance

White crystals, powder or prills. Odorless. Slight ammonia odor may develop especially in presence of moisture, hygroscopic, especially when humidity is over 75%.

Solubility in water

Very soluble

Boiling Point

197

Vapor Pressure

0.4 (25 C)

Density

1.34 g/cm3 (20 C)

pKa/pKb

13.90 (pKb)

Partition Coefficient

-2.11

Heat Of Vaporization

45.3 kJ/mol

Heat Of Combustion

-634.1 kJ/mol

Usage

Microbiocide, fungicide.

Vapor Density

2.07

Odor threshold

Odorless

Refractive Index

1.484 (20 C)

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.

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. Immediately 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.

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. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Hazards Identification

Inhalation

Inhalation of dust causes irritation of the nose and throat, coughing and sneezing.

Skin

Causes skin irritation.

Eyes

Causes eye irritation.

Ingestion

Causes gastrointestinal irritation with nausea, vomiting and diarrhea. May cause cardiac disturbances. May cause disturbed blood electrolyte balance.

Hazards

Melts and decomposes, generating ammonia.

EC Safety Phrase

S 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 protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

Respirators

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.

Exposure Effects

Prolonged or repeated exposure may cause adverse reproductive effects. Laboratory experiments have resulted in mutagenic effects. Prolonged exposure or exposure to high concentrations may cause eye damage.

Poison Class

5

Fire Fighting Measures

Flash Point

73

Fire Fighting

Fire Extinguishing Agents: Water

Fire Potential

Noncombustible

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents, sodium hypochlorite, sodium nitrate, calcium hypochlorite, nitrosyl perchlorate, gallium perchlorate, diphosphorus pentachloride.

Decomposition

Carbon monoxide, oxides of nitrogen, irritating and toxic fumes and gases, carbon dioxide.

Transport Information

HS Code

3102 10 10