Bronolab Liquid

Product Type: Milk Preservatives

Bronolab W-II is a liquid preservative solution containing 18% Bronopol. It is used by laboratories that prefer the convenience a liquid preservative provides for short-term preservation of milk samples analyzed on infrared instruments. Milk samples preserved with Bronopol must be adequately refrigerated during transportation and storage.



Inhibits the growth of bacteria, provides extended shelf life, and reduces lipolysis in milk samples

Easy to Use

One drop of Bronolab provides adequate preservation of a 40mL sample and is instantly soluble

Safe to Use

Non-irritating to skin, non-carcinogenic and non-mutagenic


Specially formulated to minimize interference with Infrared test results using normal laboratory techniques on traditional components

Long lasting

1 (one) liter of Bronolab is enough to preserve approximately 24,000 individual 40mL milk samples

Products & Supplies


822 Bronolab W-II Liquid Preservative, 1 L Bottle
953 Broad Spectrum Microtabs-II, 800 tablets/dispenser
954 Broad Spectrum Microtabs-II, 35,000 tablets/tub


The Effect of Bronopol on the Freezing Point and Impedance of Milk SamplesDownload (pdf)