22mm 22-400 Black Child Resistant Calibrated Glass Dropper for 4 oz Bottles | Long Pipette CRC Graduated Dropper Supplier
Product Overview

This 22mm 22-400 black child resistant calibrated glass dropper is designed for 4 oz Boston round bottles, delivering a safe, compliant, and precision dosing solution for CBD oil, cannabis extracts, pharmaceuticals, and skincare formulations.

Featuring a secure child-resistant (CRC) closure, this dropper helps prevent unintended access while meeting safety requirements for regulated markets. As a professional CRC graduated dropper supplier, we provide stable bulk production and consistent quality for global brands and distributors.

Equipped with an extended 108 mm graduated glass pipette, this dropper enables accurate, repeatable dosing while ensuring full reach in large and deep containers. The combination of a glass pipette and rubber bulb allows smooth liquid uptake and controlled dispensing across a wide range of formulations.

Key Features
Child Resistant Closure (CRC) for Safety Compliance
Push-down-and-turn mechanism helps prevent access by children
Calibrated Glass Pipette for Precise Measurement
Graduation marks enable accurate and repeatable dosing
108 mm Long Reach Pipette for 4 oz Bottles
Extra-long design ensures efficient liquid access in larger containers
Smooth & Controlled Dispensing
Rubber bulb provides consistent suction and precise liquid control
Durable PP Cap with Chemical Resistance
Polypropylene construction ensures long-term performance
Designed for Large Volume Applications
Ideal for 4 oz bottles and high-capacity formulations
Professional Black Finish
Enhances product presentation and brand positioning
Bulk Supply with Stable Quality
Suitable for distributors and brands requiring consistent production
Specifications
Neck Finish: 22-400
Size: 22mm
Cap Material: Polypropylene (PP)
Cap Type: Child Resistant (CRC)
Pipette Material: Glass (Graduated, Straight Tip)
Bulb Material: Rubber
Pipette Length: 108 mm
Color: Black
Maximum Dispensing Volume: Approx. 0.75 ml (water-based liquid)
Compatibility: 4 oz Boston round bottles
Applications

This child resistant graduated glass dropper for 4 oz bottles is widely used for:

CBD oil and cannabis products
Essential oils
Pharmaceutical liquids
Skincare serums
Chemical solutions
Important Notes
Graduation Mark Durability
Products containing ethyl alcohol or highly concentrated essential oils may affect or remove printed graduation markings over time due to their corrosive nature. Compatibility testing is recommended.
Calibration Standard
Graduation marks are based on water-based liquid testing. Actual dispensing volume may vary depending on liquid viscosity and formulation.
Customization Options

We offer flexible customization to meet your packaging needs:

Cap color and finish customization
Bulb material and color options
Pipette length and graduation customization
Logo printing and decoration
Why Choose Us
25+ years of packaging manufacturing experience
Integrated plastic and glass production capabilities
In-house mold development and customization
Stable bulk production with reliable lead times
Trusted supplier for cannabis and regulated packaging
FAQ

Q1: Does this dropper fit standard 4 oz bottles?
Yes, it is designed for 4 oz Boston round bottles with a 22-400 neck finish.

Q2: Are the graduation markings accurate for all liquids?
They are calibrated based on water. Oil-based or viscous liquids may vary slightly.

Q3: Is this dropper suitable for cannabis and CBD applications?
Yes, the child-resistant closure makes it ideal for regulated products.

Q4: Do you offer bulk or wholesale supply?
Yes, we specialize in bulk and wholesale orders. Please contact us for pricing and samples.