Product Identification

Product Name

Triethyl phosphonoacetate

Synonyms

Acetic acid, (diethoxyphosphinyl)-, ethyl ester
Acetic acid, phosphono-, triethyl ester
Ethyl (diethoxyphosphinyl)acetate
Ethyl 2-diethoxyphosphoryl acetate

CAS

867-13-0

Formula

C8H17O5P

Molecular Weight

224.2

EINECS

212-757-6

RTECS

AG9800000

RTECS Class

Other

Beilstein/Gmelin

1343714

Beilstein Reference

4-04-00-03613

Physical and Chemical Properties

Appearance

Colorless liquid.

Solubility in water

Slightly soluble

Melting Point

92 - 93

Boiling Point

287

Vapor Pressure

0.0025 (25 C)

Density

1.1392 g/cm3 (0 C)

Partition Coefficient

.92

Heat Of Vaporization

52.7

Vapor Density

7.73

Refractive Index

1.43 (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. Wash mouth out with water.

Inhalation

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. 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. 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.

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. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation.

Hazards Identification

Ingestion

May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.

Inhalation

Causes respiratory tract irritation.

Skin

Causes skin irritation.

Eyes

Causes eye irritation.

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 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

142

Autoignition

445

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 spray, dry chemical, carbon dioxide, or chemical foam.

Accidental Release Measures

Small spills/leaks

Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Clean up spills immediately, using the appropriate protective equipment. Provide ventilation.

Stability and Reactivity

Disposal Code

25

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Phosphine, carbon monoxide, oxides of phosphorus, carbon dioxide.

Transport Information

HS Code

2931 00 95