15ml Glass Reagent Bottle

In scientific research and industry, many key substances are extremely sensitive to light. Light exposure causes decomposition, denaturation, or loss of effectiveness. This leads to data deviations, product deterioration, or experimental failures. The 15ml brown glass reagent bottle addresses this critical issue. It is not merely a container. It is a proactive protective storage solution. It is specifically designed for photosensitive substances. It plays an irreplaceable role in chemical analysis, biopharmaceuticals, photosensitive materials, and high-end cosmetics development.

I. Core Mission: Superior Light Barrier Protection

The core design element of this product lies in its amber (brown) bottle . This characteristic is not merely a simple color difference, but a scientific design based on precise optical principles. Brown glass effectively absorbs and blocks ultraviolet light with wavelengths less than 450nm and some visible light . This is precisely the main energy source for the photochemical reactions of most photosensitive substances (such as vitamins, silver nitrate, silver halides, many antibiotics, some fluorescent dyes, and photoinitiators). By physically isolating most harmful light radiation, it provides a stable "dark room" environment for the contents, fundamentally extending the shelf life of the reagents and ensuring the original characteristics of the samples and the accuracy of the experimental results.

II. Material Foundation: Comprehensive Protection of Borosilicate Glass 3.3

1. Chemical inertness: It has excellent resistance to a wide range of acids, bases, salts and organic solvents. It does not resist hydrofluoric acid and hot concentrated phosphoric acid. This ensures the bottle itself will not interact with precious reagents or samples. This guarantees the absolute purity of the contents.

2. Thermal stability: The material has an extremely low coefficient of thermal expansion. This gives it strong resistance to thermal shock. It has a wide applicable temperature range from -80℃ to +500℃. This makes it safe for harsh processes. Examples are ultra-low temperature freezing storage, high temperature sterilization and drying.

3. Physical strength and cleanliness: The material itself has high hardness and wear resistance. Its surface is smooth and dense. It does not easily adsorb contaminants. It can easily achieve high cleanliness requirements. This is done through standard cleaning processes. Examples are acid washing and ultrasonic cleaning.

III. Key Parameters and Configuration Details

The following table details the full specifications of the 15ml amber glass reagent bottle designed specifically for light protection:

IV. Precise Application Scenarios

Standard or mandatory requirements in the following fields :

Pharmaceuticals and Biotechnology: Storage of photosensitive drug raw materials, standards, vitamin solutions, antibiotic mother liquors (such as penicillin and streptomycin), certain cytokines, and photosensitive biochemical reagents.

Analytical chemistry: Storage of easily photodegradable mobile phase additives (such as certain ion-pairing reagents), derivatization reagents, and standard solutions (such as nitrates, nitrites, and some pesticide standards) in high-performance liquid chromatography (HPLC/UPLC).

Photosensitive chemistry and electronics: Used for the preparation and storage of photoresists, developers, photosensitive emulsions and other photosensitive electronic chemicals.

Cosmetic research and development: Storing active ingredients such as vitamin C (ascorbic acid), vitamin A (retinol), and certain plant extracts that are easily decomposed by light.

Research and teaching: All experiments involving photocatalysis and photochemical reactions, as well as occasions requiring long-term storage of photosensitizing teaching reagents.

V. Professional Guidelines for Use and Selection

Necessity assessment: When your Material Safety Data Sheet (MSDS) specifies "store away from light", "light sensitive" or "photosensitive", you must use brown glass bottles ; transparent bottles are an incorrect choice.

Sealing grade selection: For highly volatile, easily oxidized, or high-value samples, it is strongly recommended to use caps with PTFE-lined gaskets . PTFE has near-perfect chemical inertness and extremely low permeability, providing the highest level of protection.

Pretreatment and cleaning: Even for new bottles, it is recommended to clean them properly before first use to remove any trace particles. For trace analysis, a rigorous cleaning procedure must be performed.

Labeling and Records: Due to the dark color of the bottle, please be sure to use a white opaque label and clearly and completely identify all information (name, concentration, date, preparer, etc.) and affix it to the designated labeling area on the bottle. If necessary, you can use the label on the top of the bottle cap for double labeling.

Storage environment: Although the brown bottle provides strong protection, it is still recommended to store it in a cool, dry cabinet or refrigerator for double protection against light and temperature control.

VI. Conclusion

Choosing a 15ml glass reagent bottle signifies your deep understanding and high regard for the potential threat of light to sensitive substances. It represents a professional attitude and rigorous standards in sample preservation. In the pursuit of precision and reliability in scientific research and industry, this container, specifically designed for light protection, is the first and most reliable line of defense for safeguarding the stability and activity of your critical materials. It is more than just a bottle; it is a silent guardian of your experimental success and product quality .