Product Identification

Product Name

1,4-Phthalaldehyde

Synonyms

1,4-Benzenedicarbaldehyde
p-Benzenedicarboxaldehyde
p-Formylbenzaldehyde
p-Phthaldialdehyde
Terephthalaldehyde
Terephthaldialdehyde

CAS

623-27-8

Formula

C8H6O2

Molecular Weight

134.13999999999999

EINECS

210-784-8

RTECS

WZ0430000

RTECS Class

Other

Beilstein/Gmelin

385863

Beilstein Reference

4-07-00-02140

Physical and Chemical Properties

Appearance

Light yellow powder

Solubility in water

3 g/L

Boiling Point

245

Density

1.381 g/cm3

Refractive Index

 

First Aid Measures

Ingestion

Do NOT induce vomiting. Allow the victim to rinse his mouth and then to drink 2-4 cupfuls of water, and seek medical advice.

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 lids.

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.

Hazards Identification

Ingestion

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

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.

EC Safety Phrase

S 22 24/25

Fire Fighting Measures

Flash Point

76

Fire Fighting

Wear approved SCBA in full pressure-demand and full protective gear. Extinguish fire using water, dry chemical, chemical foam, or alcohol-resistant foam.

Accidental Release Measures

Small spills/leaks

Clean up spills immediately, while using/wearing the proper protective equipment. Sweep up, then place into a suitable container for disposal.

Stability and Reactivity

Disposal Code

3

Incompatibilities

Agents oxydants forts, bases fortes.

Stability

Stable under normal temperatures and pressures.

Decomposition

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

Transport Information

HS Code

2912 29 00

Exposure Controls/Personal Protection

Poison Class

4