DURAN 212165409 Narrow Neck Erlenmeyer Flask 1000 mL

DURAN 212165409 Narrow Neck Erlenmeyer Flask 1000 mL

The DURAN 212165409 is a 1,000 mL narrow-neck Erlenmeyer flask made of DURAN borosilicate glass (Type I / neutral glass). Designed for high chemical resistance, minimal thermal expansion, and good durability under repeated heating and handling.

Key features:

• Narrow neck with beaded rim to reduce evaporation and splash, and to strengthen the opening edge.

• Approximate graduations printed on the body to allow quick volume estimation.

• Uniform wall thickness to improve heating performance and resistance to thermal stress.

• Flat bottom design.

• Ceramic or enamel marking field / scale and possibly a marking spot for identification.

Physical dimensions:

• Bottom (body) outer diameter: ~ 131 mm

• Neck outer diameter: ~ 42 mm

• Height: ~ 220 mm

Other properties: non-sterile (supplied without cap), conforms to DIN 12385 / DIN ISO 1773 standards. Autoclavable. Includes Retrace Code (batch identification) for traceability.

Key Specifications

Applications & Use Cases

• Mix, heat or store large volumes of solutions or media (1 L scale) in chemistry, biology, biochemistry, and education labs.

• Suitable for processes where evaporation, splashing or loss of content needs to be controlled (due to narrow neck).

• Useful in labs needing traceability of glassware lots (the Retrace Code).

• General laboratory work — reagent and media preparation, sample holding, heating, etc.