Product Identification

Product Name

2,3-Butylene glycol

Synonyms

2,3-Butylene glycol
2,3-Dihydroxybutane
Butane-2,3-diol
Dimethylethylene glycol
Pseudobutylene glycol
sym-Dimethylethylene glycol

CAS

513-85-9

Formula

C4H10O2

Molecular Weight

90.12

EINECS

208-173-6

RTECS

EK0532000

RTECS Class

Other

Merck

12,1602

Beilstein/Gmelin

969165

Beilstein Reference

4-01-00-02524

Physical and Chemical Properties

Appearance

Nearly colorless liquid or crystalline solid. Odorless.

Solubility in water

Miscible

Melting Point

18 - 20

Boiling Point

184

Vapor Pressure

0.26 (25 C)

Density

1.048 g/cm3 (0 C)

Partition Coefficient

-.92

Heat Of Vaporization

48.5 kJ/mol

Usage

Resins, solvent for dyes, intermediate, blending agent.

Vapor Density

3.2

Odor threshold

Odorless.

Refractive Index

1.4348

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.

Inhalation

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

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

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

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. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.

Hazards Identification

Inhalation

May cause effects similar to those described for ingestion. The toxicological properties of this substance have not been fully investigated.

Skin

May cause skin irritation. No information regarding skin irritation and other potential effects was found.

Eyes

May cause eye irritation. No information regarding eye irritation and other potential effects was found.

Ingestion

May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May cause systemic toxicity with acidosis. May cause cardiac disturbances. May cause kidney failure. 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 and clothing 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 kidney injury.

Poison Class

-

Fire Fighting Measures

Flash Point

85

Autoignition

395

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

11.4

Lower exp. limit

3.1

Fire Potential

Moderate fire hazard; when exposed to heat or flame.

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