Product Identification

Product Name

3-Hydroxy-4-methylaniline

Synonyms

2-Hydroxy-p-toluidine
3-Hydroxy-4-methylaniline
4-Amino-2-hydroxytoluene
5-Amino-2-methylphenol
5-Amino-o-cresol
6-Methyl-3-aminophenol

CAS

2835-95-2

Formula

C7H9NO

Molecular Weight

123.15

EINECS

220-618-6

RTECS

SJ6090000

RTECS Class

Mutagen

Beilstein/Gmelin

2802317

Beilstein Reference

4-13-00-01666

Physical and Chemical Properties

Appearance

Brown powder.

Solubility in water

Soluble

Melting Point

162

Boiling Point

259

pKa/pKb

10.36 (pKa)

Partition Coefficient

1.33

First Aid Measures

Ingestion

Get medical aid. Wash mouth out with water.

Inhalation

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

Skin

Get medical aid. 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 eyelids. Get medical aid.

Handling and Storage

Storage

Store in a cool, dry place. Store in a tightly closed container.

Handling

Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.

Hazards Identification

Ingestion

May cause irritation of the digestive tract. May cause difficulty in swallowing, stomach distension, possible cerebral swelling and

Inhalation

Causes respiratory tract irritation. May cause ulceration of nasal tissue, insomnia, nervous tremors with numb extremities, chemical pneumonia, shock, unconsciousness, and death.

Skin

Causes skin irritation. Exposure can produce pain, swelling, burns, and possible tissue destruction.

Eyes

Causes eye irritation.

Hazards

Containers may explode when heated.

UN (DOT)

2512

Exposure Controls/Personal Protection

Personal Protection

Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

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.

Fire Fighting Measures

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Fire Potential

This material is probably combustible.

Accidental Release Measures

Small spills/leaks

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

Stability and Reactivity

Stability

No data.

Incompatibilities

Strong oxidizing agents, acids, acetic anhydride, acid chlorides, carbon dioxide.

Decomposition

Nitrogen oxides, carbon monoxide, carbon dioxide.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

2512

Hazard Class

6.1

Packing Group

III