Product Identification

Product Name

N,N'-Dimethylethyleneurea

Synonyms

1,3-Dimethylethyleneurea
Karbomos
N,N-Dimethylethylenediamine cyclic urea
N,N'-Dimethylethyleneurea
N,N'-Dimethylimidazolidinone
Rhonite 1

CAS

80-73-9

Formula

C5H10N2O

Molecular Weight

114.15

EINECS

201-304-8

RTECS

NJ0660000

RTECS Class

Drug; Primary Irritant

Merck

13,3275

Beilstein/Gmelin

108808

Beilstein Reference

5-24-01-00054

EC Class

harmful, irritant

Physical and Chemical Properties

Appearance

Clear, colorless liquid.

Solubility in water

Soluble

Melting Point

8

Boiling Point

225.5

Vapor Pressure

50 (68 C)

Density

1.04 g/cm3

Heat Of Vaporization

45.34 kJ/mol

Refractive Index

1.4724 (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 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 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

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

Keep away from heat, sparks, and flame. Keep away from sources of ignition. 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 only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid contact with heat, sparks and flame. Avoid ingestion and inhalation.

Hazards Identification

Ingestion

Causes gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed.

Inhalation

May cause respiratory tract irritation.

Skin

Causes skin irritation. Harmful if absorbed through the skin.

Eyes

May cause eye irritation.

EC Risk Phrase

R 21/22 36/38

EC Safety Phrase

S 26 36/37/39

UN (DOT)

2810

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.

Fire Fighting Measures

Flash Point

93

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Combustible Liquid. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.

Upper exp. limit

8.4

Lower exp. limit

1.3

Accidental Release Measures

Small spills/leaks

Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Provide ventilation.

Stability and Reactivity

Disposal Code

1

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents, acid chlorides, phosphorous halides.

Decomposition

Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Transport Information

UN Number

2810

HS Code

2933 29 90