Product Identification

Product Name

1,2,3-Propanetriyl trioctadecanoate

Synonyms

1,3-Di(octadecanoyloxy)propan-2-yl octadecanoate
Octadecanoic acid, 1,2,3-propanetriyl ester
Tristearin

CAS

555-43-1

Formula

C57H110O6

Molecular Weight

891.5

EINECS

209-097-6

Merck

12,9885

Beilstein/Gmelin

1718456

Beilstein Reference

4-02-00-01233

Physical and Chemical Properties

Appearance

Odorless, off-white chunks.

Solubility in water

Insoluble

Melting Point

73

Boiling Point

813

Vapor Pressure

2E-26 (25 C)

Density

1.0577 g/cm3

Partition Coefficient

25.27

Heat Of Vaporization

118.2 kJ/mol

Usage

In textile sizing, formerly in making candles.

Refractive Index

1.4477 (25 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. Get medical aid if cough or other symptoms appear.

Skin

Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water.

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. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Hazards Identification

Inhalation

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

Skin

May cause skin irritation.

Eyes

May cause eye irritation.

Ingestion

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

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.

Exposure Effects

May cause irritation of the respiratory tract, skin and eyes.

Fire Fighting Measures

Flash Point

299

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use agent most appropriate to extinguish fire.

Accidental Release Measures

Small spills/leaks

Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions.

Stability and Reactivity

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, carbon dioxide.