Bronnopol
Bronnopol is a highly effective antimicrobial agent widely used in various industries. As a trusted solution for microbial control, Bronnopol offers exceptional performance in personal care, cosmetics, and industrial applications.
Bronnopol Product Specifications
- Chemical Name: 2-Bromo-2-nitropropane-1,3-diol
- CAS Number: 52-51-7
- Molecular Formula: C3H6BrNO4
- Appearance: White to off-white crystalline powder
- Solubility: Highly soluble in water and polar organic solvents
- pH Range: Effective in pH range of 3-8
- Recommended Use Level: 0.01%-0.1%
Bronnopol Technical Data
| Property | Value |
|---|---|
| Molecular Weight | 199.99 g/mol |
| Melting Point | 130-133°C |
| Storage Temperature | Below 30°C in dry conditions |
| Shelf Life | 24 months when properly stored |
| Antimicrobial Spectrum | Broad-spectrum against bacteria and fungi |
Bronnopal Performance Advantages
Bronnopol demonstrates excellent stability in various formulations and maintains effectiveness across a wide pH range. Its broad-spectrum antimicrobial activity makes it particularly valuable in:
- Shampoos and conditioners
- Skin care products
- Liquid soaps
- Cosmetic formulations
- Industrial water systems
Bronnopol FAQ
What is the recommended concentration of Bronnopol in cosmetic formulations?
The typical use concentration of Bronnopol ranges from 0.01% to 0.1% depending on the product type and required level of preservation. For most personal care products, 0.05% is often sufficient to provide adequate protection against microbial growth.
How does Bronnopol compare to other preservatives in terms of effectiveness?
Bronnopol offers several advantages over traditional preservatives. It has a broader spectrum of activity, remains effective at lower concentrations, and demonstrates better stability in various formulations. Unlike some preservatives, Bronnopol maintains its efficacy across a wide pH range and doesn't lose potency in the presence of surfactants.
Bronnopol Application Guidelines
| Application | Recommended Concentration | pH Range |
|---|---|---|
| Shampoos | 0.02-0.05% | 5.0-7.0 |
| Liquid Soaps | 0.03-0.07% | 5.5-7.5 |
| Skin Lotions | 0.01-0.03% | 5.0-6.5 |
| Cosmetic Creams | 0.02-0.05% | 5.5-7.0 |
Bronnopol Stability Considerations
For optimal performance, Bronnopol should be stored in its original packaging in a cool, dry place away from direct sunlight. The product maintains stability when exposed to temperatures common in manufacturing processes, but prolonged exposure to high temperatures should be avoided.
Bronnopol Safety Information
- Complies with international cosmetic regulations
- Suitable for rinse-off and leave-on products
- Not recommended for oral care products
- Appropriate safety precautions should be taken during handling
Bronnopol FAQ
Is Bronnopol compatible with other common cosmetic ingredients?
Yes, Bronnopol shows excellent compatibility with most cosmetic ingredients including surfactants, emulsifiers, and thickeners. However, its antimicrobial activity may be reduced in the presence of certain reducing agents or heavy metal ions. Always conduct compatibility testing when formulating with new ingredient combinations.
What is the mechanism of action for Bronnopol's antimicrobial properties?
Bronnopol works through multiple mechanisms. It releases formaldehyde in small, controlled amounts which disrupts microbial cell walls and interferes with essential metabolic processes. Additionally, its bromine component contributes to its broad-spectrum efficacy against both bacteria and fungi.
Bronnopol Regulatory Status
| Region | Approval Status | Maximum Allowed Concentration |
|---|---|---|
| EU | Approved | 0.1% |
| USA | Approved | 0.1% |
| Japan | Approved | 0.1% |
| China | Approved | 0.1% |
Bronnopol Environmental Profile
Bronnopol demonstrates favorable environmental characteristics including:
- Biodegradability in aerobic conditions
- Low bioaccumulation potential
- Rapid breakdown in environmental waters
- Minimal impact on aquatic life at recommended use levels
Bronnopol FAQ
How should Bronnopol be incorporated into product formulations?
Bronnopol should be added during the water phase of formulation at temperatures below 60°C (140°F). For optimal distribution, it's recommended to dissolve Bronnopol in a portion of the water phase before adding to the main batch. Ensure thorough mixing to achieve uniform distribution throughout the product.
What is the typical microbiological efficacy timeline for Bronnopol?
Bronnopol begins acting immediately upon contact with microorganisms, with significant reduction in microbial load typically observed within 24 hours. For complete preservation, the full effect is generally achieved within 48-72 hours, depending on the initial microbial load and product formulation.
Bronnopol Quality Standards
| Parameter | Specification | Test Method |
|---|---|---|
| Assay (dry basis) | ≥98.0% | HPLC |
| Water Content | ≤0.5% | Karl Fischer |
| Residue on Ignition | ≤0.1% | Gravimetric |
| Heavy Metals (as Pb) | ≤10 ppm | ICP-OES |