70171

Peptone from casein, acid digest

suitable for microbiology

• Synonym(s): Peptone from casein
• CAS Number: 91079-40-2
• UNSPSC Code: 41106212
• eCl@ss: 42040102
• NACRES: NA.74

Properties

• biological source: bovine milk
• Quality Level: 200
• form: powder
• composition: amino-nitrogen, ≥4% ; total nitrogen (N), ≥7%
• impurities: ≤45% chloride (NaCl)
• loss: ≤6% loss on drying
• pH: 5.5±1.0 (25 °C, 2% in H₂O)
• solubility: H₂O: 2%, clear, faintly to slightly yellow
• application(s): food and beverages; microbiology

Description

application

This peptone from casein is a protein hydrolysate prepared with hydrochloric acid followed by neutralization with sodium hydroxide. The high availability of amino acids in their native form is advantageous in many culture media formulations. It is compatible for use in applications where salt tolerant organisms are used.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)