70171

Casein Peptone

Acid digest of casein from bovine milk, ≤6% loss on drying, suitable for biotechnology and microbiology

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

Properties

• product name: Peptone from casein, acid digest, suitable for microbiology
• 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 Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves