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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4-Chloro-1,3-dihydroxybenzene(95-88-5)

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
4-Chloro-1,3-dihydroxybenzene
Synonyms
4-Chloro-1,3-dihydroxybenzene
4-Chlorobenzene-1,3-diol
CAS
95-88-5
Formula
C6H5ClO2
Molecular Weight
144.56
EINECS
202-462-0
RTECS
VH0450000
RTECS Class
Mutagen; Reproductive Effector; Primary Irritant
Beilstein/Gmelin
2042864
Beilstein Reference
4-06-00-05684
EC Class
harmful, irritant

Physical and Chemical Properties

Appearance
Light beige crystalline powder or chunks.
Solubility in water
Slightly soluble
Melting Point
103 - 105
Boiling Point
259
Vapor Pressure
0.008 (25 C)
pKa/pKb
8.24
Partition Coefficient
1.67
Heat Of Vaporization
51.7 kJ/mol

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
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
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. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Hazards Identification

Inhalation
Inhalation of dust may cause respiratory tract irritation.
Skin
May cause skin irritation.
Eyes
Causes eye irritation.
Ingestion
Harmful if swallowed. May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
Hazards
Containers may explode when heated.
EC Risk Phrase
R 20/21/22
EC Safety Phrase
S 22 36/37
UN (DOT)
1557

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
The toxicological properties of this material have not been investigated.

Fire Fighting Measures

Flash Point
120
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. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
Fire Potential
Combustible material: may burn but does not ignite readily.

Accidental Release Measures

Small spills/leaks
Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity

Disposal Code
3
Incompatibilities
Oxidizing agents, acid chlorides, acid anhydrides.
Stability
Stable under normal temperatures and pressures.
Decomposition
Hydrogen chloride, carbon monoxide, carbon dioxide.
Combustion Products
Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number
1557
Hazard Class
6.1
Packing Group
I; II; III
HS Code
2908 10 00
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