XK - Bronopol Cosmetics Preservative

Cosmetic Preservatives

Physicochemical indicators:

Item	Indicator
Appearance	White crystalline powder
Content(%)	≥99.0%
Free bromine(%)	≤0.3
Melting point(℃)	≥120
Recommended dosage (%)	0.02～0.10
Solubility	Soluble in water, ethanol
Storage	Keep away from light, cool, dry place, airtight

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Bronopol chemistry is named 2-bromo-2-bitro-1,3-propanediol.
CAS login number: 52-51-7
Alternative names Bronopol.
Structured:

Physical and chemical indicators:

1. Bronopol has a broad spectrum of bacterial inhibition and can effectively inhibit Gram-negative bacteria, positive bacteria, yeasts, molds and algae;

2. Bronopol can be used with organic substances in cosmetics, non-ionic surfactants, anionic, cationic, surfactants, proteins.

3. pH value is applicable from 4 to 8, it is unstable under high temperature and alkaline condition, and the color will be darkened under sunlight. Aluminum, iron and other metal materials can reduce its antibacterial activity.

Applications

1. Bronopol is used as a disinfectant in the pharmaceutical industry;

2. The recommended concentration in cosmetics is 200 ppm. in cosmetics, as a preservative it can be mainly used in snow cream, shampoo, baby bath, liquid soap, baby shampoo, foam bath, lotion, skin cream, protein bath, make-up, hair conditioner, hair dye, hair cream and bath gel, etc.

3. Bronopol can be respectively and isothix, quaternary ammonium salt, polyquaternium, vinyl monomethyl ether and other biocides to form a new class of biocides, widely used in cooling water, paper pulp and air conditioning circulating water and other fields.

4. Oil re-injection water will be Brobdingnagian and surfactants into strips and blocks of solid biocides, can control the growth of microorganisms in oil well water, and can be dispersed and dissolved in water but not in oil, so it can enter the bottom of the oil system in the water layer to kill bacteria, so as to effectively inhibit the corrosion of metal workpieces.

5. Odor eliminator

Bronopol-based toilet air deodorizer can both kill microorganisms at very low concentrations, but also effectively remove ammonia, hydrogen sulfide and mercaptan in toilet air and water, and because Bronopol-based odorless, inexpensive, with it as a germicide deodorizer can be used not only for household toilets, but also for the deodorant solution for unpleasant odors in waste disposal. Deodorant composed of Bronopol as bactericide and deodorizer, metal sulfate or metal chloride as filler and pyrrole compound as anti-corrosive agent can be used for deodorization of fecal flushing in trains, buses, airplanes and ships.

Other industrial fields:

Bronopol especially has excellent inhibition effect on Pseudomonas, plus good water solubility, can be used with isothian and other fungicides.

In addition to the above fields, it is also widely used in emulsions, coatings, pigments, solid glues, cutting fluids and other water-based products. However, when compounding, it should be noted that Bronopol is easy to cause discoloration.

Safety performance indicators:

Item	Indicator
Acute oral LD50 in mice(mg/Kg)	222～266
Acute skin irritation test in rabbits (stock solution)	Non-irritating

Antibacterial properties:

Microorganism name	Minimum Inhibitory Concentration (MIC) PPM
Escherichia coli	100
Bacillus deformans	100
Staphylococcus aureus	50
Bacillus subtilis	50
Penicillium extendedum	50
Penicillium rotundum	50
Aspergillus flavus	40

Package: 25Kg/drum

Caution: Please pay attention to personal protection during operation. If the original solution accidentally comes into contact with skin or eye mucous membrane, please rinse with water immediately.

Minimum order quantity: one ton

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Nantong Boda Biochemistry Co.,Ltd.

Nantong Boda Biochemistry Co.,Ltd. is famous China XK - Bronopol Cosmetics Preservative manufacturers and OEM/ODM XK - Bronopol Cosmetics Preservative suppliers, specializes in producing preservatives,fungicides,and biocides for a wide range of daily products. The former of our company is Xinke Daily Chemical Company,which was established in 1999,and in 2003 it was renamed Nantong Boda Biochemistry Co., Ltd., but the trademark “XK” is still used. The XK brand has been known and used by the international manufacturers in the fields of cosmetics, construction, home decor, water treatment, textiles, cleaning products, and paper. The core products--wood protection and kathon based preservatives are widely used in many countries, the feedback from our clients are popularly positive. Our products kill and inhibit the growth of bacteria,mildew,and fungi, so your products could stay fresh for a long time.

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