Description (R)-(-)-1,3-Butanediol quick Details Chemical Name: (R)-(-)-1,3-Butanediol CAS No.:6290-03-5 Molecular Formula: C4H10O2 Molecular weight: 90.12 Appearance: Colorless to light yellow liquid Assay: 98% (R)-(-)-1,3-Butanedioltypical Properties Item Specification Results Appearance Colorless to light yellow liquid Conforms Assay ≧98% 98.6% [α]20/DC=1 ethanol -25~-31°,(c=1inethanol) -25.68°(c=1inethanol) (R)-(-)-1,3-ButanediolUsage Ingenol, is the analogue of Ingenol 3-Angelate, which has anti-tumor activity when used topically for the treatment of actinic keratosis. (R)-(-)-1,3-ButanediolPackaging and Shipping Packing: 25Kg/drum Delivery:delivery within 3-5working days (R)-(-)-1,3-ButanediolStorage Avoiding light and drying. Fire-fighting measures 5.1Extinguishing media Suitable extinguishing media Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. 5.2Specific hazards arising from the chemical no data available 5.3Special protective actions for fire-fighters Wear self-contained breathing apparatus for firefighting if necessary. 6.Accidental release measures 6.1Personal precautions, protective equipment and emergency procedures Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8. 6.2Environmental precautions Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. 6.3Methods and materials for containment and cleaning up Pick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal. 7.Handling and storage 7.1Precautions for safe handling Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure – obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2. 7.2Conditions for safe storage, including any incompatibilities Store in cool place. Keep container tightly closed in a dry and well-ventilated place. 8.Exposure controls/personal protection 8.1Control parameters Occupational Exposure limit values no data available Biological limit values no data available 8.2Appropriate engineering controls Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday. 8.3Individual protection measures, such as personal protective equipment (PPE) Eye/face protection Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin protection Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove’s outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it. Respiratory protection Wear dust mask when handling large quantities. Thermal hazards no data available