Product Identification

Product Name

2,4-Diaminophenol dihydrochloride

Synonyms

4-Hydroxy-m-phenylenediammonium dichloride
Acrol
Amidol
Diamidophenol hydrochloride
Dianol

CAS

137-09-7

Formula

C6H10Cl2N2O

Molecular Weight

197.07

EINECS

205-279-4

RTECS

SK7600000

RTECS Class

Tumorigen; Mutagen

Merck

13,3003

Beilstein/Gmelin

4228856

EC Class

harmful, irritant

Physical and Chemical Properties

Appearance

Grayish-white crystals.

Solubility in water

275 g/L

Melting Point

205

Usage

As photographic developer, in fur & hair dyeing, in test for formaldehyde & ammonia.

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.

Inhalation

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

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 tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Handling

Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Do not ingest or inhale.

Hazards Identification

Inhalation

May cause allergic respiratory reaction. May cause respiratory tract irritation. May cause effects similar to those described for ingestion.

Skin

Causes skin irritation. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material. If absorbed, may cause symptoms similar to those for ingestion. May cause severe dermatitis and urticaria(hives).

Eyes

Causes eye irritation. May cause conjunctivitis, lacrimation, abnormnal protrusion of the eyeball, eye inflammation and even possible blindness.

Ingestion

Harmful if swallowed. May cause irritation of the digestive tract. Systemic effects from ingestion may include: rise in blood pressure, vertigo, tremors, convulsions, and coma.

Hazards

Contact with metals may evolve flammable hydrogen gas.

EC Risk Phrase

R 22 36/37/38 42/43

EC Safety Phrase

S 22 26 36/37/39 45

UN (DOT)

1759

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 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.

Exposure Effects

Abnormally low blood pressure and labored respirations may occur. CNS depression and peripheral neuropathy have been reported after ingestion.

Poison Class

3

Fire Fighting Measures

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use agent most appropriate to extinguish fire.

Fire Potential

This material is probably combustible.

Accidental Release Measures

Small spills/leaks

Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions.

Stability and Reactivity

Disposal Code

9

Stability

Stable under normal shipping and handling conditions.

Incompatibilities

Strong oxidizing agents.

Decomposition

Hydrogen chloride, nitrogen oxides, carbon monoxide, carbon dioxide.

Combustion Products

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

Transport Information

UN Number

1759

Hazard Class

8

Packing Group

I; II; III

HS Code

2922 29 00