Chemical Intermediate

1,2,3-bezotriazol 1,2,4-tri Chloro Benzene 1,3,4-xylidine-5-sulphonic Acid 1,4-sulphophenyl-3-methyl-5-pyrazolone (Spmp) 2-aminophenol-4-sulphonic Acid(Oapsa) 2-chloro-4-nitro Aniline[ortho Chloro Para Nitro Aniline](Ocpna) 2-nitro-4-amino Diphenylene-4-sulphonic Acid(2-nadpsa) 2,4-di Nitro Aniline 2-4-di Nitro Chloro Benzene 2,4,5-tri Chloro Aniline 2,4,5-tri Chloro Nitro Benzene 2,5-dichloro Aniline(Scarlet Gg Base) 3-di Ethyl Amino Phenol (Demap) 3,3-di Chloro Benzedine Di Hydrochloride 3,3-di Chloro Benzene 3,4-di Chloro Aniline 3,4-di Chloro Nitro Benzene(3,4-dcnb) 4-chloro-2-amino Phenol[2-amino-4-chloro Phenol](4 Cap) 4-nitro-2-amino Phenol(4 Nap) 4-nitro-4-amino Diphemylene-2-sulphonic Acid(4-nadpsa) 4-sulpho Formazone Base 4,4 Diamino Sulphanilide 4,4 Diamino Benzsulphanilide (Dasa) 4,4-di Amino Benzidine-2,2-di Sulphonic Acid 4,4-di Amino Diphenyl-2,2-di Sulphonic Acid 4,4-di Amino Stilbene, 2:2 Di Sulphonic Acid (Dasda) 5-nitro-2-amino Phenol(5 Nap) 6-acetyl Amino-2-amino Phenol-4-sulphonic Acid 6-chloro Metanilic Acid 6-nitro 1-diazo 2-naphthol 4-sulphonic Acid 6-nitro-2-amino Phenol(6 Nap) Alpha Naphthylamine Amino G-acid Aniline-2,4-di Sulphonic Acid Anthranilic Acid Benzanthrone Benzyl Benzoate Chloranil Di Anisidine Base Di Mehtyl Sulphate F.c.acid(4,4-diamino Di Phenyl Amine 2-sulphonic Acid) Gamma Acid G-salt(2-hydroxy Naphthalene 6-8 Disulphonic Acid) H-acid(1-amino-8-napthol-3-6-di Sulphonic Acid) K Acid(Schaeffer's Acid )(2-hydroxy Napthalene-6-sulphonic Acid) Meta Phenylene Di Amine Di Sulphonic Acid (Mpddsa) Meta Phenylene Di Amine-4-sulphonic Acid(Mpdsa) Meta Ureido Aniline(Mua) Metanilic Acid N-methyl J-acid N-phenyl J-acid Ortho Amino Phenol 4 Sulfonamide (O.a.p.s.a Amide) Ortho Anisidine Para Sulphonic Acid (Oapsa) Ortho Chloro Para Nitro Aniline(Ocpna) Ortho Di Chloro Benzene[1,2-di Chloro Benzene](Odcb) Ortho Dianisidine Base Ortho Nitro Chloro Benzene (Oncb) Ortho Nitro Chlorobenzene 4-sulphonic Acid(Oncbsa) Ortho Tertiary Butyl Cyclo Hexyl Acetate Ortho Toluidine Para Amino Acetanilide-3-sulphonic Acid(Paa 3sa) Para Amino Azo Benzene 4 - Sulfonic Acid (Paab 4sa) Para Amino Azobenzene-3-4-di Sulphonic Acid(Oncbsa) Para Amino Azobenzene-4-sulphonic Acid Para Anisidine Ortho Sulphonic Acid Para Anisidine-3-sulphonic Acid Para Chloro Ortho Nitro Aniline[4 Chloro 2 Nitro Aniline](Pcona) Para Di Chloro Benzene(Pdcb) Para Nitro Aniline 2-sulphonic Acid Para Nitro Aniline(Pna) Para Nitro Chloro Benzene Ortho Sulfonic Acid(Pncbosa) Para Nitro Chloro Benzene(Pncb) Para Phenylene Diamine Di Sulphonic Acid(Ppddsa) Phenyl Hydrazine Para Sulphonic Acid R Salt Resist Salt Sodium Naphthionate Sodium Sulphanilate Sulphamic Acid Sulphanilic Acid Sulpho Tobias Acid Tertiary Butyl Catechol[1,2 Dihydroxy-4,tertiary Butyl Benzene] Vinyl Sulphone Ester Acetanilide Base Vinyl Sulphone Ester Ortho Anisidine Base Vinyl Sulphone Ester Para Base Ester

Bromo Anisole Methoxyl Thiophenol Methyl Thio Benzyl Cyanide Methyl Mercapto Benzyldehyde Animo-Thiozole Carboxylic Acid Methyl Ester Sodium Methyl Mercaptide Solution (Aqueous, Solid & Methanolic) ADVANCED INTERMEDIATES Methyl Mercapto Acetophenone Benzo Thiophene Methoxy Phenyl Methoxy Bromo Benzaldehyde

Phenyl Hydrazine, Phenyl Hydrazine Hydrochloride, Potassium Bromide, Potassium Hydroxide Pellets, Sodium Metabi Sulphite, Sodium Thiosulphate, Sodium Hydroxide Pellets, Sodium Bromide

Specialty chemicals and intermediates like Para Chloro Aniline, Ortho Dichloro Benzene, Meta Chloro Phenol, 3, 5 Dinitro Salicylic Acid, Mafenamic Acid, Benzyl Cynamide, O-Methyl Isourea Hemisulphate, Caprylic Acid.

CAS No.6419-19-8 Dequest:2000 Molecular Formula:N(CH2PO3H2)3 Molecular weight: 299.05 Properties: ATMP has excellent chelation, low threshold inhibition and lattice distortion ability. It can prevent scale formation, calcium carbonate in particular, in water system. ATMP has good chemical stability and is hard to be hydrolyzed in water system. At high concentration, it has good corrosion inhibition. ATMP is used in industrial circulating cool water system and oilfield water pipeline in fields of thermal power plant and oil refinery plant. ATMP can decrease scale formation and inhibit corrosion of metal equipment and pipeline. ATMP can be used as chelating agent in woven and dyeing industries and as metal surface treatment agent. The solid state of ATMP is crystal powder, soluble in water, easily deliquescence, suitable for usage in winter and freezing districts. Because of its high purity, it can be used in woven & dyeing industries and as metal surface treatment agent. Specification: Appearance:Colorless or light yellow transparent liquid;White crystal powder Active acid %:48.0-52.0;95 min Chloride (as Cl-)%:2.0(or1.0) min;1.0 min pH valueú¿1% solutionú¬:2.0 max;2.0 max Fe (as Fe3+) (ppm):20;20 Density (20 centigrade degrees)g/cm3:1.33 min;- Colour APHA (Hazen):40 max;- Usage: ATMP is usually used together with organophosphoric acid, polycarboxylic acid and salt to built all organic alkaline water treatment agent. ATMP can be used in many different circulating cool water system. The dosage of 1-20mg/L is recommended. As corrosion inhibitor, the dosage of 20-60mg/L is preferred. Safety Protection: Acidity, Avoid contact with eye and skin, once contacted, flush with water. Package and Storage: ATMP liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required ATMP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients. Storage for ten months in room shady and dry place.

CAS No.1429-50-1 Dequest:2040 Molecular Formula:C6H12O12N2P4Na8 Molecular weight:612.13 Properties: EDTMPS is nitrogenous organic polyphosphonic acid, a part of cathodic corrosion inhibitor.Its corrosion inhibition is 3~5 times better than that of inorganic polyphosphate. It can be fully dissolved in water, innocuous and none pollution to environment, has good chemical stability and thermal tolerance. It shows excellent scale inhibition ability under temperature 200 centigrade degrees. It can dissociate into 8 positive-negative ions, thus can chelate with many metal ions to form polymer reticulation complex, to destroy the normal crystallization of calcium scale. EDTMPS shows better antiscale effects to calcium sulfate and barium sulfate. Specification: Appearance:Clear yellow to umber transparent liquid Active component(EDTMPS)%:30.0min Organic phosphonic acid(asPO43- )%:10.0min Phosphorous acid(as PO33-)%:5.0max Phosphoric acid (asPO43- )%:1.0max pH(1% water solution):9.5-10.5 Density(20 centigrade degrees)g/cm3:1.25min Chloride (as Cl-)%:3.0max Usage: EDTMPS can be used as corrosion inhibitor in circulating cool water system and boiler water. It is a chelating agent in non-cyanogen electroplating industry and a water-softening agent in printing & dyeing industry. When used alone, 2-10mg/L is preferred. When built with HPMA by ratio ETDMP:HPMA=1:3, it can be used for low pressure boiler. It can also be built with BTA, PAAS and zinc salt. Keywords: Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium,EDTMPS,EDTMPS China Package and Storage: Normally In 250kg net Plastic Drum, IBC drum can also be used as required. Storage for ten months in room shady and dry place.

CAS No 23783-26-8 Molecular Formula:C2H5O6P Molecular weight:156 Properties: HPAA is chemically stable, hard to be hydrolyzed, hard to be destroyed by acid or alkali, safety in use, no toxicity, no pollution. HPAA can improve zinc solubility. Its corrosion inhibition ability is 5-8 times better than that of HEDP and EDTMP. When built with low molecular polymers, its corrosion inhibition effect is even better. Specification: Appearance:Dark umber transparent viscous liquid Solid content %:47.0-50.0 Phosphorous acid(as PO33-)%:4.0 max Density(20 centigrade degrees)g/cm3:1.30 min pH(1% solution):1.0-3.0 Usage: HPAA is mainly used as cathode corrosion inhibitor in oilfield refill water system in fields such as steel & iron, petrochemcal, power plant and medical industries. When built with zinc salt, the effect is even better. Package and Storage: Normally In 250kg net Plastic Drum, IBC drum can also be used as required. Storage for one year in room shady and dry place.

CAS No:15827-60-8 Dequest: 2060 Molecular Formula:C9H28O15N3P5 Molecular weight: 573.2 Properties: DTPMPA is innocuous, easy to be dissolved in acid solution. DTPMPA has excellent scale and corrosion inhibition and good thermal tolerance ability. DTPMPA can inhibit the scale formation of carbonate, sulfate and phosphate. On situation of alkali environment and high temperature (above 210 centigrade degrees) DTPMPA has better scale and corrosion inhibition effect than other organophosphines. Specification: AppearancE:Brown transparent liquid Active acid %:48.0-52.0 Phosphorous acid(as PO33-)%:3.0 max Chloride (as Cl-)%:12-17 Density(20 centigrade degrees)g/cm3:1.35-1.45 pH(1% solution):2.0 Fe ppm:35 max Usage: DTPMPA can be used as scale and corrosion inhibitor in circulating cool water system and boiler water, and especially in alkali circulating cool water system without additional pH regulation, It can also be used in oilfield refill water, cool water and boiler water with high concentration of barium carbonate. When used alone, little scale sediment is found even none of dispersant is used. DTPMPA can also be used as peroxide stabilizer, chelating agent in woven & dyeing industry, pigment dispersant, microelements carrying agent in fertilizer and concrete modifier. In addition, DTPMPA is used in papermaking, electroplating, acid cleaning and cosmetics. Safety Protection: Acidity, Avoid contact with eye and skin, once contacted, flush with water.íí Keywords: DTPMPA,DTPMPA China,Diethylene Triamine Penta (Methylene Phosphonic Acid) Package and Storage: Normally In 250kg net Plastic Drum, IBC drum can also be used as required. Storage for ten months in room shady and dry place.

CAS No.2809-21-4 Dequest:2010 Molecular Formula:C2H8O7P2 Molecular weight: 206.02 Properties: HEDP is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds.It can dissolve the oxidized materials on these metals'surfaces. HEDP shows excellent scale and corrosion inhibition effects under temperature 250 centigrade degrees. HEDP has good chemical stability under high pH value, hard to be hydrolyzed, and hard to be decomposed under ordinary light and heat conditions. Its acid/alkali and chlorine oxidation tolerance are better than that of other organophosphoric acids (salt). HEDP can react with metal ions in water system to form hexa-element chelating complex, with calcium ion in particular. Therefore, HEDP has good antiscale and visible threshold effects. When built together with other water treatment chemicals, it shows good synergistic effects. The solid state of HEDP is crystal powder, suitable for usage in winter and freezing districts. Because of its high purity, it can be used as cleaning agent in electronic fields and as additives in daily chemicals. Specification: Appearance:Colorless or light yellow transparent liquid;White crystal powder Active contentú¿HEDPú¬%:58.0-62.0;89.0 min Phosphorous acidú¿as PO33-ú¬%:2.0 max;0.5 max Phosphoric acid ú¿asPO43- ú¬%:0.8 max;0.5 max Chloride (as Cl-)%:0.01 max;0.01 max pHú¿1% solutionú¬:2 max;2 max Density ú¿20 centigrade degreesú¬g/cm3:1.40; Fe ion ppm:10 max;20 max Colour APHA (Hazen):40 max; Usage: HEDP is used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP is used as detergent for metal and nonmetal. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP is used as chelating agent. The dosage of 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent. Usually, HEDP is used together with polycarboxylic acid. Safety Protection: Acidity, Avoid contact with eye and skin, once contacted, flush with water. Package and Storage: HEDP liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required HEDP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients. Storage for ten months in room shady and dry place.