Product Identification
【Product Name】(+/-)-alpha-Hydroxyphenylacetic acid
【Synonyms】Almond acid 扁桃酸
【CAS】611-72-3
【Formula】C8H8O3
【Molecular Weight】152.15
【EINECS】210-277-1
【RTECS】OO6300000
【Beilstein/Gmelin】510011
【Beilstein Reference】4-10-00-00565

Physical ａnd Chemical Properties
【Appearance】White crystalline powder with a faint odor.
【Solubility in water】150 g/L
【Melting Point】117~120℃
【Boiling Point】322
【Vapor Pressure】0.0001 (25℃)
【Density】1.361 g/cm3
【pKa/pKb】3.41 (pKa)
【Partition Coefficient】.92
【Heat Of Vaporization】59.5 kJ/mol
【Usage】Present in certain skin care products.
【Vapor Density】1.3
【Refractive Index】1.5204

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.
【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】Do not store in direct sunlight. 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 breathing dust, vapor, mist, or gas. Avoid contact with skin ａnd eyes. Keep container tightly closed. Avoid ingestion ａnd inhalation.

Hazards Identification
【Inhalation】The toxicological properties of this substance have not been fully investigated. Inhalation of dust may cause respiratory tract irritation.
【Skin】No information regarding skin irritation ａnd other potential effects was found. Continued absorption may cause kidney irritation.
【Eyes】No information regarding eye irritation ａnd other potential effects was found.
【Ingestion】The toxicological properties of this substance have not been fully investigated.

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 toxological properties of this substance have not been fully investigated.
【Poison Class】4 (Substances ａnd products that must be considered harmful)

Fire Fighting Measures
【Flash Point】163℃
【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.

Accidental Release Measures
【Small spills/leaks】Vacuum or sweep up material ａnd place into a suitable disposal container. Avoid generating dusty conditions.

Stability ａnd Reactivity
【Disposal Code】4
【Stability】No data.
【Incompatibilities】Strong oxidizing agents
【Decomposition】Carbon monoxide, carbon dioxide.

Transport Information
【HS Code】2918 19 80

其它扁桃酸产品