| Product Identification | Back to Contents | 【Product Name】
1-(4-Hydroxyphenyl)ethanone | 【Synonyms】
1-(4-Hydroxyphenyl)ethanone
4-Hydroxyacetophenone
Methyl p-hydroxyphenyl ketone
p-Hydroxyacetophenone
p-Hydroxyphenyl methyl ketone
Piceol | 【CAS】
99-93-4 | 【Formula】
C8H8O2 | 【Molecular Weight】
136.15 | 【EINECS】
202-802-8 | 【RTECS】
AM8750000 | 【RTECS Class】
Agricultural Chemical and Pesticide; Drug; Reproductive Effector | 【Beilstein/Gmelin】
774355 | 【Beilstein Reference】
4-08-00-00339 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
White to off-white needles. | 【Solubility in water】
Slightly soluble | 【Melting Point】
105 - 108 | 【Boiling Point】
313 | 【Vapor Pressure】
0.0003 (25 C) | 【Density】
1.139 g/cm3 (25 C) | 【pKa/pKb】
8.12 (pKa) | 【Partition Coefficient】
1.44 | 【Heat Of Vaporization】
57.6 kJ/mol | 【Heat Of Combustion】
-3934 kJ/mol | 【Vapor Density】
1.11 | 【Refractive Index】
1.55773 (109 C) |
| First Aid Measures | Back to Contents | 【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 | Back to Contents | 【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. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. |
| Hazards Identification | Back to Contents | 【Ingestion】
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated. | 【Inhalation】
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. | 【Skin】
May cause skin irritation. The toxicological properties of this material have not been fully investigated. | 【Eyes】
May cause eye irritation. The toxicological properties of this material have not been fully investigated. | 【EC Risk Phrase】
R 22 36/37/38 | 【EC Safety Phrase】
S 26 36/37/39 |
| Exposure Controls/Personal Protection | Back to Contents | 【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. | 【Poison Class】
3 |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
121 | 【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. |
| Accidental Release Measures | Back to Contents | 【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. Provide ventilation. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
3 | 【Incompatibilities】
Oxidizing agents, bases, acid chlorides, acid anhydrides. | 【Stability】
Stable under normal temperatures and pressures. | 【Decomposition】
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. |
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