Stroma:Alcohol

Form:Liquid

Storage conditions:Store in a refrigerated airtight and protected from light. It should be equilibrated at room temperature (20±3℃) before use, and shaken well to ensure uniformity. Strictly prevent contamination during use.

Applications:For environmental monitoring and quality assurance and quality control in analytical testing, it can also be used for instrument calibration, method validation and technical arbitration.

Matters needing attention:It should be equilibrated at room temperature (20±3℃) before use, and shaken well to ensure uniformity. Ampoules should be used immediately once opened, and cannot be used as reference material after being melted again. Strictly prevent contamination during use.

Reference material:Water and Waste Gas Monitoring and Analysis Methods 4th Edition - State Environmental Protection Administration.

Physical and chemical properties:Density: 1.04535 melting point:-15.3 ℃ boiling point: 205.3 ℃ flash point: 94 (closed) ℃ viscosity: 5.037(25 ℃) refractive index: 1.5392(20 ℃) toxicity LD50(mg/kg): rat oral 3100. Character: colorless liquid, slightly aromatic smell. Dissolution: slightly soluble in water, miscible with ethanol, ether, benzene, etc. Uses: Used for the preparation of floral oil and drugs, etc., also used as a solvent and fixative for spices. Preparation or source: It is prepared by catalytic reduction of benzaldehyde or hydrolysis of benzyl chloride by aqueous solution of sodium carbonate, Potassium carbonate, etc.