D-Raffinose Pentahydrate | CAS 17629-30-0 | ≥98% Pure for Microbial Culture Media
Product Name: D-Raffinose Pentahydrate
CAS Number: 17629-30-0
Grade: Reagent Grade
Purity: ≥98.0%
Molecular Formula: C18H32O16 · 5H2O
Molecular Weight: 594.51
Storage: Room Temperature (RT)
Product Overview:
D-Raffinose Pentahydrate, commonly known as Melitose, is a disaccharide compound consisting of galactose, glucose, and fructose. It is a white crystalline powder that easily absorbs moisture from the air. This reagent is primarily used in microbiology for bacterial culture media and identification purposes, especially in intestinal microbiota research.
Physical Characteristics:
Appearance: White crystalline powder
Solubility: Soluble in water and pyridine, slightly soluble in ethanol
Optical Rotation (10%, water): 103° – 108°
Loss on Drying: 13–17%
Melting Point (Anhydrous): 118–119°C
Refractive Index: 1.539–1.541
Other Names:
Raffinose
Melitriose
Cottonseed Sugar
Beet Sugar
Honey Sugar
Specification:
Heavy Metals: ≤ 20 ppm
Arsenic Salt: ≤ 3 ppm
Use Instructions:
D-Raffinose Pentahydrate is primarily used in microbial culture media for bacterial identification, specifically for intestinal bacteria differentiation.
It is not intended for any other applications outside of laboratory research.
The compound should be handled with appropriate care due to its hygroscopic nature. Ensure it is stored in an air-tight container in a dry environment.
Storage Recommendations:
Store in a cool, dry place at room temperature.
Protect from moisture and contamination.