Product Identification

Product Name

Diethyl phthalate

Synonyms

1,2-Benzenedicarboxylic acid, diethyl ester
DEP
Diethyl benzene-1,2-dicarboxylate
Ethyl phthalate
Phthalic acid, diethyl ester

CAS

84-66-2

Formula

C12H14O4

Molecular Weight

222.24

EINECS

201-550-6

RTECS

TI1050000

RTECS Class

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

Merck

12,7527

Beilstein/Gmelin

1912500

Beilstein Reference

4-09-00-03172

Physical and Chemical Properties

Appearance

Water-white to colorless, odorless, oily liquid.

Solubility in water

1 g/L

Melting Point

-3

Boiling Point

298

Vapor Pressure

0.00081 (25 C)

Density

1.13592 g/cm3 (0 C)

Partition Coefficient

2.47

Heat Of Vaporization

63.30 kJ/mol

Heat Of Combustion

-5582 kJ/mol

Usage

In manufacture celluloid, solvent for cellulose acetate in manufacture varnishes & dopes, fixative for perfumes, denaturing alcohol.

Vapor Density

7.6

Saturation Concentration

2.17 ppm (.0002%) at 25 C (calculated)

Refractive Index

1.5000 (21C)

First Aid Measures

Ingestion

Induce vomiting. 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

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

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

Keep away from heat 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

Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.

Hazards Identification

Inhalation

Causes respiratory tract irritation. May cause narcotic effects in high concentration.

Skin

Causes skin irritation.

Eyes

Contact produces irritation, tearing, and burning pain.

Ingestion

Causes gastrointestinal irritation with nausea, vomiting and diarrhea.

EC Risk Phrase

R 36/38

EC Safety Phrase

S 26 36

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 fetal effects.

Exposure limit(s)

TLV (as TWA): 10 ppm; 5 mg/m3 (ACGIH 1992-1993). NIOSH REL: TWA 5 mg/m3

Poison Class

4

Fire Fighting Measures

Flash Point

156

Autoignition

430

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 water spray to cool fire-exposed containers.

Upper exp. limit

5.3

Lower exp. limit

.7

Fire Potential

Slightly flammable. Requires preheating.

Accidental Release Measures

Small spills/leaks

Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Remove all sources of ignition.

Stability and Reactivity

Disposal Code

1

Stability

Stable under normal shipping and handling conditions.

Incompatibilities

Strong acids such as nitric acid, strong oxidizing agents, and permanganates.

Decomposition

Carbon monoxide, carbon dioxide.

Combustion Products

Irritating vapors of unburned chemical may form in fire.

Transport Information

HS Code

2917 34 00