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2,2-Diphenylacetic acid(117-34-0)

2,2-Diphenylacetic acid(117-34-0)
Product IdentificationBack to Contents
【Product Name】

2,2-Diphenylacetic acid
【Synonyms】

2,2-Di(phenyl)acetic acid
Diphenylacetic acid
Diphenylethanoic acid
【CAS】

117-34-0
【Formula】

C14H12O2
【Molecular Weight】

212.25
【EINECS】

204-185-0
【RTECS】

AH2515000
【RTECS Class】

Other
【Merck】

13,3348
【Beilstein/Gmelin】

1910978
【Beilstein Reference】

4-09-00-02492
【EC Class】

irritant
Physical and Chemical PropertiesBack to Contents
【Appearance】

White crystals.
【Solubility in water】

Soluble
【Melting Point】

142 - 143
【Boiling Point】

285
【Vapor Pressure】

0.0014 (25 C)
【Density】

1.258 g/cm3 (15 C)
【pKa/pKb】

3.81 (pKa)
【Partition Coefficient】

-.85
【Heat Of Vaporization】

55.4 kJ/mol
【Usage】

Nitrile as herbicide.
【Vapor Density】

7.3
First Aid MeasuresBack to Contents
【Ingestion】

Do NOT induce vomiting. 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.
【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】

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Handling and StorageBack 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. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Wash clothing before reuse.
Hazards IdentificationBack to Contents
【Inhalation】

May cause respiratory tract irritation.
【Skin】

Causes skin irritation.
【Eyes】

Causes eye irritation. May cause chemical conjunctivitis.
【Ingestion】

May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
【EC Risk Phrase】

R 36/37/38
【EC Safety Phrase】

S 26 36
Exposure Controls/Personal ProtectionBack 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】

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
【Exposure Effects】

Effects may be delayed.
Fire Fighting MeasuresBack to Contents
【Flash Point】

140
【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. To extinguish fire, use water fog, dry chemical, carbon dioxide, or regular foam. Use agent most appropriate to extinguish fire.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation.
Stability and ReactivityBack to Contents
【Disposal Code】

4
【Stability】

Stable at room temperature in closed containers under normal storage and handling conditions.
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Transport InformationBack to Contents
【HS Code】

2916 39 00
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