Product Identification

Product Name

1,5-Pentanediol

Synonyms

1,5-Dihydroxypentane
1,5-Pentamethylene glycol
Pentane-1,5-diol
Pentylene glycol

CAS

111-29-5

Formula

C5H12O2

Molecular Weight

104.15

EINECS

203-854-4

RTECS

SA0480000

RTECS Class

Primary Irritant

Merck

12,7256

Beilstein/Gmelin

1560130

Beilstein Reference

4-01-00-02540

Physical and Chemical Properties

Solubility in water

Very soluble

Melting Point

-16

Boiling Point

242

Vapor Pressure

0.075 (20 C)

Density

0.9941 g/cm3 (20 C)

Heat Of Vaporization

86.8 kJ/mol

Heat Of Combustion

-3154 kJ/mol

Usage

Used as a plasticizer in cellulose products and adhesives, in brake fluid compositions.

Refractive Index

1.4478 (20 C)

First Aid Measures

Ingestion

Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.

Inhalation

Remove from exposure to fresh air immediately.

Skin

Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.

Eyes

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.

Handling and Storage

Storage

Store in a cool, dry place. Keep container closed when not in use.

Handling

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.

Exposure Controls/Personal Protection

Personal Protection

Eyes: Wear safety glasses and chemical goggles if splashing is possible. Skin: Wear appropriate protective gloves and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.

Respirators

Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.

Exposure Effects

The toxicological properties of this material have not been investigated.

Poison Class

-

Fire Fighting Measures

Flash Point

136

Autoignition

330

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. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.

Upper exp. limit

13.1

Lower exp. limit

1.3

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.

Stability and Reactivity

Disposal Code

1

Incompatibilities

Acid chlorides - acid anhydrides - oxidizing agents - chloroformates - reducing agents.

Stability

Stable under normal temperatures and pressures.

Decomposition

Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Transport Information

HS Code

2905 39 80

Hazards Identification

EC Safety Phrase

S 24/25