Product Name: 2,2-Dibromo-3-Nitrilopropionamide

Synonyms: DBNPA: Dibromocyano Acetic Acid Amide

Cas No: 10222-01-2

Molecular Structure: C3h2br2n2o

Hazard Class: Un 3265 8/Pg III

Min Order Qty: 1000kg

Qty In 20' Fcl: 10000kg

Certificate: ISO 9001

Packing Details: 25kg Bag

Delivery Time: 2 Weeks

Supply Ability: 1000mt

Hs Code: 2926909090


AppearanceColorless To Yellowish Transparent Liquid
Assay (Loss On Drying)19 -21%
Density Kg/M31.150-1.250


DBNPA 20% water treatment microbiocide is an aqueous formulation containing a 20% w/w concentration of DBNPA (2,2-dibromo-3-nitrilopropionamide).It is a broad spectrum biocide offering rapid control of bacteria, fungi, yeast and algae. DBNPA is a non-oxidizing and highly effective biocide with proven performance in the past 5 decades. Korel DB 20 is similar to Aqucar RO-20 and Aqucar DB 20 etc.
1. Solubility: Soluble in water
2. Odor: Low to mild
3. Boiling Point: >120℃ for solution, but active ingredient decomposes prior to boiling
4 Vapor Pressure(DBNPA): 2*10-5mmHg@25℃


Recirculating water cooling towers

Initial dose: 0.05%-0.10%

Subsequent slug doses: 0.01-0.03%

Pulp, paper and paperboard mills



ML per ton of paper, dry basis

Heavily fouled systems

Dose after boiling out


Moderately fouled system

Initial dose


Subsequent dose


Slightly fouled systems

Initial dose

53.0 to 128.7

Subsequent dose

53.0 to 128.7

Heavily fouled systems should be cleaned before treatment is begun.

Enhanced oil recovery systems



ppm based on system volume

Intermittent of Slug method

Initiala dose

10 to 80

Subsequent dose

10 to 80

Continuous feed method

Initialb dose

10 to 80

Subsequentc dose

1 to 15

a: Add intermittently for 4 to 8 hours per day, and from 1 to 4 times per week, or as needed depending on the severity of contamination.

b: Add continuously until the desired degree of control is achieved.
c: Add continuously or as needed to maintain control


11. What kinds of certificates can you offer?
YuXiang Chemical is an ISO2008 9001 certified company, as for DBNPA, we can offer REACH registration.
22. Is Yuxiang Chemical a manufacturer or a trading company?
Yuxiang chemical is a group company with its own production base located in Jiangsu and Zhejiang province. For more than 20 years’ development, Yuxiang also joins up with several local plants to evaluate some special chemicals including R&D, production process and sales strategy.
33. What is your advantage on DBNPA?
More than 10 years’ experience in supplying DBNPA to world market with competitive prices and stable supply.
44. How long shall we wait for your reply?
We can guarantee to reply your inquiries in less than 24 hours in working days.
55. Can we get some samples for interesting chemicals?
Yes. We can provide testing samples after receiving from the customers detailed inquiries as well as COA confirmed.
66. Are your payment terms negotiable?
Yes. Our payment terms are negotiable according to different trading conditions. We’ll always try our best to satisfy the customers for both benefit.
77. Do you accept long term contract? For example, one year.
Most of the chemicals’ prices changes from time to time but some are stable. We can discuss individually and see what we can do for you.