White to very pale tan crystalline powder. Odorless or almost odorless.
Registry Numbers and Inventories.
Drug; Reproductive Effector; Human Data
Japan ENCS (MITI)
Melting point, °C
146 - 148
Solubility in water
1 g in greater than 1000 ml
Partition coefficient, pKow
Hazards and Protection.
Store in a cool, dry locattion. Protect from light.
Avoid direct contact with eyes, skin and clothing. Keep out of reach of children. Use only as directed.
Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
Provide adequate ventilation and personal protective equipment. Vacuum or scoop up material and place in a container for disposal.
Stable at normal temperatures and pressures.
Strong oxidizing agents.
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. Use agent most appropriate to extinguish fire.
Central nervous system depression, seizures, and hypotonia have been seen in overdose. With therapeutic use - central nervous system effects reported with pentazocine include dizziness, light-headedness, headache, and infrequently, weakness, seizures, alteration of mood, insomnia, syncope, and very rarely, tremor, irritability, excitement, tinnitus, and faintness. Use of pentazocine may produce CNS depression in the newborn infant.
Nausea, dizziness, light headedness, vomiting euphoria.
Irritation. Allergic reaction.
Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.
If symptoms develop, move individual away from exposure and into fresh air. If symptoms persist, seek medical attention. If breathing is difficult, administer oxygen. Keep person warm and quiet; seek immediate medical attention.
Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse.
If symptoms develop, immediately move individual away from exposure and into fresh air. Flush eyes gently with water for at least 15 minutes while holding eyelids apart; seek immediate medical attention.