Bronopol 99% preservative manufacture CAS NO 52-51-7 for water treatment Fungicide

2-Bromo-2-nitropropane 1,3-diol
Abbreviation
BNPD / BNP/ Bronopol
Chemical Formula
HOCH2C(Br)(NO2)CH2OH
CAS #
52-51-7
Molecular Weight
199.99
Physical Properties
Item
Index
Appearance
White to light yellow, crystalline powder
Assay
Min 99.0%
Moisture Content
Less than 0.5%
pH 1% solution @25℃
4.5-7.0
Melting point
Min 125℃ (end point)
Appearance
White Or Similar Whitecrystal Powder
Odor
Odorless Or Light Characteristically Mild
Assay,%
≥99.0
Melting Pointoc
124~129
Dissociative Bromine,%
≤0.3
Loss On Drying ,%
≤0.3
Ash,%
≤0.3
Solubility
Very Soluble In Water And In Lower Alcohols
Application
Bronopol has a strong biocidal activity that is widely used as a disinfectant, antibacterial, slime control and antiseptic ingredient for water treatment. This product is formulated in a wide variety of applications, such antibacterial and antialgae cooling water and water treatment system, slime control agents and general industrial uses such as antiseptics and fungicides, environmental sanitation, and disinfecting/sterilizing agents.
Packaging
25kg or 50 kg bag in fibre pail
ARTICLE:BRONOPOL
DATE OF MANUFACTURE: DEC.13, 2018.
BATCH NO:201812013
EXPIRY DATE: DEC.14, 2020
ITEMS
SPECIFICATIONS
RESULTS
Characteristics
White or almost white crystals or crystalline powder
Conform to BP2011
Melting Point
123-131℃
130.1-130.7℃
Acidity or alkalinity
pH5.0-7.0 (1%w/v)
5.39
Related substances
2-methyl-2-nitropropane-1,3-diol NMT0.5%
0.02%
Tris (hydroxymethyl)nitromethane NMT0.5%
0.03%
NaBr NMT0.5%
0.03%
Any other impurity NMT0.1%
0.03%
(KF, Method I B)
NMT0.5%
0.11%
Sulphated ash
NMT0.1%
pass
Assay
99.0%-101.0%
99.16%
Conclusion
Conform to BP2011