Product Identification

Product Name

Dihydroresorcinol

Synonyms

1,3-Cyclohexanedione
Dihydroresorcinol
Hydroresorcinol

CAS

504-02-9

Formula

C6H8O2

Molecular Weight

112.13

EINECS

207-980-0

Merck

13,3200

Beilstein/Gmelin

385888

Beilstein Reference

4-07-00-01985

Physical and Chemical Properties

Appearance

Light yellow - beige powder

Solubility in water

Very soluble

Melting Point

105

Boiling Point

235

Vapor Pressure

0.05 (25 C)

Density

1.25 g/cm3 (20 C)

pKa/pKb

5.26

Partition Coefficient

-.89

Heat Of Vaporization

47.2 kJ/mol

Heat Of Combustion

-3079 kJ/mol

First Aid Measures

Ingestion

Get medical aid. Wash mouth out with 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

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids.

Handling and Storage

Storage

Keep container closed when not in use. Refrigerator (approx 4 C).

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.

Skin

May cause skin irritation.

Eyes

May cause eye irritation.

EC Risk Phrase

R 22

EC Safety Phrase

S 22 36/37

Fire Fighting Measures

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

Vacuum or sweep up material and place into a suitable disposal container.

Stability and Reactivity

Disposal Code

3

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, carbon dioxide.

Transport Information

HS Code

2914 29 00

Exposure Controls/Personal Protection

Poison Class

4