- D-Glucose, 4-O-b-D-galactopyranosyl
- Milk sugar
White hard crystalline powder.
Both forms of lactose are employed, with the form predominating: as a nutrient in preparing modified milk and food for infants and convalescents (Whittier).
Registry Numbers and Inventories.
Tumorigen; Reproductive Effector; Natural Product
Melting point, °C
Boiling point, °C
Solubility in water
Partition coefficient, pKow
Hazards and Protection.
Store in a cool, dry place. Keep container closed when not in use.
Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
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.
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.
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal.
Stable under normal temperatures and pressures.
Carbon monoxide, carbon dioxide.
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 spray, dry chemical, carbon dioxide, or chemical foam.
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Low hazard for usual industrial handling.
Low hazard for usual industrial handling.
May cause skin irritation. Low hazard for usual industrial handling.
May cause eye irritation.
Get medical aid if irritation or symptoms occur.
Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.
Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water.
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.