Product Identification

Product Name

2,2'-Oxydiethylene dibenzoate

Synonyms

2,2'-Oxybisethanol dibenzoate
2-[2-(Benzoyloxy)ethoxy]ethyl benzoate
Di(ethylene glycol) dibenzoate
Diethylene glycol dibenzoate
Oxydiethylene dibenzoate

CAS

120-55-8

Formula

C18H18O5

Molecular Weight

314.36

EINECS

204-407-6

RTECS

ID6650000

RTECS Class

Primary Irritant

Beilstein/Gmelin

2509507

Beilstein Reference

4-09-00-00356

Physical and Chemical Properties

Appearance

Liquid.

Solubility in water

Miscible

Melting Point

155 - 157

Boiling Point

180 - 184 (0.3 torr)

Vapor Pressure

0.00005 (69 C)

Density

1.1701 g/cm3 (15 C)

Usage

Plasticizer.

Vapor Density

9.4

Refractive Index

1.5399 (21 C)

First Aid Measures

Ingestion

Administer charcoal as a slurry (240 ml water/30 g charcoal). Usual dose: 25 to 100 g in adults/adolescents.

Inhalation

If symptoms develop, move individual away from exposure and into fresh air. If symptoms persist, seek medical attention. If breathing is difficult, administer oxygen. Keep person warm and quiet; seek immediate medical attention.

Skin

Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse.

Eyes

If symptoms develop, immediately move individual away from exposure and into fresh air. Flush eyes gently with water for at least 15 minutes while holding eyelids apart; seek immediate medical attention.

Handling and Storage

Storage

Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.

Handling

All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

Hazards Identification

Inhalation

Death normally occurs from sudden cardiorespiratory arrest. Pulmonary edema may develop. Tachypnea may occur secondary to acidosis.

Skin

Redness.

Eyes

Redness.

Ingestion

Common initial symptoms are heartburn, followed by nausea and abdominal cramps, vomiting and occasionally diarrhea. Later symptoms include back pain and severe abdominal pain.

Exposure Controls/Personal Protection

Personal Protection

Protective gloves. Safety goggles.

Respirators

Use NIOSH/MSHA approved respirator appropriate for exposure of concern.

Exposure Effects

Central nervous system depressant effects, including drowsiness, headache, progressive obtundation and coma have preceded death. Drowsiness is usually delayed approximately 24 hours after ingestion. Meningismus, cerebral edema and hemorrhage, and neuropathies have been reported.

Poison Class

4

Fire Fighting Measures

Flash Point

232

Fire Fighting

Alcohol foam. Water or foam may cause frothing.

Accidental Release Measures

Small spills/leaks

Evacuate area and ventilate. Wear protective equipment. If required, use an inert absrobent. Sweep up and place in an appropriate container for disposal. Wash contaminated surfaces.

Stability and Reactivity

Stability

No data.

Decomposition

On combustion, forms irritating fumes.