Product Identification

Product Name

1,3,5-Benzenetriol

Synonyms

Benzene-1,3,5-triol
Phloroglucinol

CAS

108-73-6

Formula

C6H6O3

Molecular Weight

126.11

EINECS

203-611-2

RTECS

SY1050000

RTECS Class

Drug; Mutagen; Reproductive Effector

Merck

12,7482

Beilstein/Gmelin

1341907

Beilstein Reference

4-06-00-07361

EC Class

irritant

Physical and Chemical Properties

Appearance

White powder.

Solubility in water

10 g/L

Melting Point

217 - 220

Boiling Point

400

Vapor Pressure

6E-7 (25 C)

Density

1.46 g/cm3

pKa/pKb

9.06 (pKa)

Partition Coefficient

.06

Heat Of Vaporization

67.6 kJ/mol

Heat Of Combustion

-2634 kJ/mol

Usage

Substance is used in diazo-type printing, textile dyeing.

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. Dark room.

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

Irritating to eyes, respiratory system and skin. The toxicological properties of this material have not been investigated.

Poison Class

4

Fire Fighting Measures

Flash Point

215

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.

Accidental Release Measures

Small spills/leaks

Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal.

Stability and Reactivity

Disposal Code

3

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidants.

Decomposition

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

Transport Information

HS Code

2907 29 00

Hazards Identification

EC Risk Phrase

R 36/37/38

EC Safety Phrase

S 26 36