DBNPA 99%
Chemical name: 2.2-Dibromo-3-Nitrilopropion Amide (DBNPA)
CAS: 10222-01-2
Specification:
Appearance: White crystalline powder
Assay: 99% Min
PH Value: 4.0-6.5
Loss on drying: â?¤0.5%
Solrhility test in 35%DEG: With no insoluble material
Melting Point: 122-128°C
Density: 2.451g/cm3
Product Overview:
2.2-Dibromo-3-Nitrilopropion Amide (DBNPA) is a broad-spectrum and high-efficiency industrial fungicide.
Its used for water treatment agents, bactericidal algicide, papermaking and pharmaceutical intermediates to prevent bacteria and algae in the field of papermaking, industrial circulating cooling water, lubricants for metal processing, Wood, paint and plywood in the growth and reproduction. It also could be used as slime control agent, widely used in paper mill pulp and circulating cooling water system.
As a broad-spectrum and highly effective biocide, it can rapidly penetrate the cell membrane of microorganisms and act on certain protein groups to stop normal redox cells and cause cell death. At the same time, its branches can also selectively brominate or oxidize specific enzyme metabolites of microorganisms, eventually leading to the death of microorganisms. This product has a good peeling performance, no foam when used, liquid products and water can be any mutual miscibility, low toxicity.
Package: 25kg cardboard drum or woven bag;
Usage:
For water treatment agents, bactericidal algaecides, paper pulp, and pharmaceutical intermediates
Use range:
It is mainly used as a bactericidal algaecide to prevent bacteria and algae from growing in paper industry water, industrial cooling water, air conditioning water, metalworking lubricants, water emulsions, pulp, wood, plywood and coatings, and fibers.
Precautions:
The aqueous solution is relatively stable under acidic conditions and is easily hydrolyzed under alkaline conditions. Raising the pH, heating, and irradiating with ultraviolet or fluorescent light can greatly increase the dissolution rate. Easy to be deoxidized by reducing agents such as hydrogen sulfide to become non-toxic amines of cyanoacetic acid, greatly reducing the bactericidal rate.
DBNPA is widely used in industrial circulating water systems, large air-condition, and large centers of sewage treatment to eliminate microorganisms and algae and shuck off clay. DBNPA is also used in the process of paper making to prevent reducing the quality of paper by the generation of microorganisms. DBNPA is suitable for metal cutting of cooling liquor, recovery system of oil, latex, and ply-woods as anti-spy biocides. DBNPA has the following advantages: easy to handle; no unusual oxidation hazards; similar performance and safety in paper and oilfield applications; used for slime control in the wet-end of the paper mill and performs exceptionally well against slime-forming bacteria. DBNPA has exhibited outstanding efficiency against bio-films and a broad spectrum of bacteria, fungi, and yeasts. Additionally, DBNPA series products are used in the short-term preservation of coatings and coating additives such as latex, starch, and mineral slurries. DBNPA is a fast-acting/quick-kill biocide that is broad-spectrum and does not contain or release formaldehyde.
Dep=di-2
2-Naphthol Basic information Chemical Properties Application Preparation Product Name: 2-Naphthol Synonyms: c.i.37500;c.i.azoiccouplingcomponent1;c.i.developer5;Developer A;Developer AMS;Developer BN;developera;developerams CAS: 135-19-3 MF: C10H8O MW: 144.17 EINECS: 205-182-7 Product Categories: Fluorescent;Naphthalene;pigments;alcohol;MICROCIDIN;Color Former & Related Compounds;Developer;Functional Materials;Intermediates;Aromatic Compounds;Alphabetical;Bioactive Small Molecules;Biochemicals and Reagents;Building Blocks;C9 to C20+;Cell Biology;Chemical Synthesis;Fluorescent Indicators and Probes;Fluorescent Probes;Labels;N;Organic Building Blocks;Oxygen Compounds;Particles and Stains;pH Sensitive Probes and Indicators;Phenols;Dyestuff Intermediates;Aromatics Mol File: 135-19-3.mol 2-Naphthol Chemical Properties Melting point 120-122 C(lit.) Boiling point 285-286 C(lit.) density 1,28 g/cm3 vapor density 4.97 (vs air) vapor pressure 10 mm Hg ( 145.5 C) refractive index 1.5762 (estimate) Fp 153 C storage temp. Refrigerator solubility methanol: soluble1g/10 mL, clear, colorless to light yellow pka 9.51(at 25C) form Powder, Crystals or Granules color White PH Range Non& uorescence (8.5) to blue & uorescence (9.5) Water Solubility 1 g/L (20 C) �»max 226nm, 265nm, 275nm, 286nm, 320nm, 331nm Merck 14,6384 BRN 742134 Stability: Stable. Combustible. Dust may form explosive mixture with air. Incompatible with strong oxidizing agents, phenol. Major Application Display device, semiconductors, photoimaging materials, inks, toner, chalk, security paper, molding materials, tin plating method, rubber, adhesive, leather, detergent, hair dyes, antimitotic drug, anticancer agent, antiinflammatory agent, treatment of acne vulgaris (pimples) and other dermal ailments (rashes, scratches, blemishes, hair loss), disorders InChIKey JWAZRIHNYRIHIV-UHFFFAOYSA-N CAS DataBase Reference 135-19-3(CAS DataBase Reference) NIST Chemistry Reference 2-Naphthalenol(135-19-3) EPA Substance Registry System 2-Naphthalenol (135-19-3) Safety Information Hazard Codes Xn,N Risk Statements 20/22-50 Safety Statements 24/25-61 RIDADR UN 3077 9/PG 3 WGK Germany 2 RTECS QL2975000 F 8 Autoignition Temperature 430 C TSCA Yes HazardClass 9 PackingGroup III HS Code 29071590 Hazardous Substances Data 135-19-3(Hazardous Substances Data) Toxicity LD50 orally in Rabbit: 1960 mg/kg LD50 dermal Rabbit > 10000 mg/kg 2-Naphthol Usage And Synthesis 2-Naphthol Preparation Products And Raw materials
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Name: 2-hydroxy-6-naphthoic acid Alias: 2,6 acid; 2-naphthol-6-carboxylic acid; 6-hydroxy-2-naphthoic acid; 6-hydroxy-2-naphthoic acid CAS NOï¼?16712-64-4 Molecular formula: c11h7o3 Molecular weight: 187.172 Product quality standard: Appearance characte Light yellow powder Content 99% 2-naphtholâ?¤0.10% 2,3-acidâ?¤0.10% melting point243-245�°C Loss on dryingâ?¤0.30% heavy metalâ?¤20ppm Application: used in medicine, liquid crystal, paint, etc. Packing: 25kg / cardboard barrel, or according to customer requirements
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Product Name:Aluminum sulfate Molecular Formula:AL2(SO4)3 Hs Code:2833220000 CAS Code:10043-01-3 Standard:HG2225-2010 Shape:flake, powder, 2-4cm lump and 2-5mm/3-8mm granular Properties:There are two types,anhydrous aluminium sulphate and aluminium sulphate octadecahydrate. In normal condition , it is AL2(SO4)3�·18H2O; AL2(SO4)3�·14H2O after efflorescence, can be white powder , glittering flaky or crystalline flakes, odorless, sweet to slight bitter. Use:Sewage Treatment, treatment of drinking water, Sizing of paper , Cement Additive. Specifications Item name Standard AL2O3 15.6% 16.5% 17% Fe2O3 0.5 %  0.005 % 0.004% PH value 3.0 3.0 3.0 Water insoluble matter 0.2% 0.04% 0.03% Packing 25kg or 50kg or 1000kg in plastic lined woven bag
