Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information
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2,4-Diaminophenol dihydrochloride(137-09-7)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information

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
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