Chemicals for Water Treatment in Malaysia
ChemTrade supplies chemicals for water treatment in Malaysia. Each listing carries typical specifications, packing and availability.

| Product | Used for |
|---|---|
| 2-Hydroxyethyl Acrylate | Building block in water-soluble copolymers, dispersants and superabsorbent chemistry where hydroxyl functionality is copolymerised alongside the acid monomer. |
| Acrylic Acid | Feedstock for acrylic polymers and copolymers used in water-treatment dispersants, scale-control polymers and related process chemicals. |
| Acrylic Acid Maleic Acid Copolymer | Polycarboxylate scale inhibitor and dispersant component for cooling-water, boiler-water and reverse-osmosis formulations. |
| Activated Carbon | Removes dissolved organics, colour, chlorine residual and odour in municipal and industrial water purification, including polishing after clarification and filtration. |
| Aluminium Nitrate | Selected specialty water and wastewater chemistry duties. Bulk coagulation is served by the aluminium sulphate and poly aluminium chloride products on their own pages, not by this nitrate salt. |
| Aluminium Oxide | Activated grades adsorb fluoride and arsenic from drinking water, and dry compressed air and process gas as a regenerable desiccant. |
| Aluminium Sulphate | Primary coagulant for drinking-water and industrial effluent clarification. In water it hydrolyses to aluminium hydroxide floc that helps remove turbidity, colour and suspended solids ahead of settling and filtration. |
| Ammonium Hydroxide | pH adjustment and alkaline dosing in process water, effluent neutralisation and wastewater treatment where aqueous ammonia is the preferred alkali. |
| Ammonium Thiocyanate | Corrosion-inhibition packages for cooling water and closed circuits, where it is dosed as part of a formulated blend. |
| Antifoam | Foam control in aeration tanks, biological treatment, digesters, sludge handling and effluent transfer. |
| ATMP | Phosphonate scale-inhibitor and chelating component for cooling-water, boiler-water and reverse-osmosis formulations. |
| Attapulgite | Adsorbent and clarification media for removing colour, turbidity and selected dissolved contaminants when the grade suits the process. |
| Bentonite | Landfill and pond lining, and effluent work where its low permeability forms a barrier against contamination. |
| Benzalkonium Chloride | Biocide and algaecide component in selected industrial water, cooling and process-water programmes where a quaternary ammonium active is specified. |
| Benzotriazole | Copper and copper-alloy corrosion inhibitor in open recirculating and closed-loop cooling-water programmes, protecting condenser tubing and heat exchangers carrying yellow metals. |
| Calcium Acetate | Wastewater treatment and phosphate control, where calcium acetate is dosed as a soluble calcium source in the treatment train. |
| Calcium Chloride | Calcium hardness adjustment and other treatment duties where dissolved calcium chloride is named in the process specification. |
| Calcium Hypochlorite | Dry chlorination for drinking water, process water and wastewater disinfection, residual chlorine control and swimming-pool treatment where calcium hypochlorite granules, powder or tablets are preferred to liquid bleach. |
| Calcium Nitrate | Nitrate source for selected wastewater odour-control and process-dosing duties, subject to the plant design and quoted grade. |
| Citric Acid | pH correction and chelation aid in process water and cleaning circuits where an organic acid is preferred over mineral acids for selected duties. |
| Copper Chloride | Copper reagent in analytical and process water chemistry, including laboratory titrimetry and copper dosing trials where a soluble copper(II) salt is specified. |
| Copper EDTA | Stable soluble copper source for specialised industrial process-water formulations that specify Cu-EDTA. |
| Copper Sulphate | Algae-control treatment in ponds, reservoirs and industrial water systems where the treatment programme specifies copper sulphate. |
| Cyclohexylamine | Volatile neutralising amine for boiler water and steam condensate programmes, raising condensate pH to control carbonic acid attack on return lines and feedwater equipment. |
| DBNPA | Non-oxidising microbiocide for cooling water, reverse-osmosis, membrane and industrial process-water programmes that specify DBNPA. |
| DDAC | Biocide component for industrial water treatment, cooling-water programmes and related algaecide or microbial-control formulations where a DDAC solution grade is requested. |
| Diatomaceous Earth | Filter medium in swimming pool and process water pressure filters, and in effluent polishing where fine suspended solids have to be removed mechanically. |
| Diethylhydroxylamine | Volatile oxygen-scavenger component in boiler feedwater, steam-condensate and closed-loop heating or cooling treatment programmes that specify DEHA. |
| Dimethylethanolamine | Neutralising amine dosed into boiler feedwater and steam condensate systems to raise pH and limit carbonic acid attack on return lines. |
| Disodium Phosphate | Boiler and process-water conditioning, where dibasic phosphate dosing supports pH control, scale control and phosphate residual programmes. |
| DTPA | Used in compatible water-treatment and scale-control formulations where iron, manganese, copper or calcium sequestration is required. |
| EDTA | Sequesters calcium, magnesium, iron and manganese so they stay dissolved instead of scaling a boiler, a membrane or a cooling circuit. |
| Ethyl Acrylate | Comonomer in flocculant, dispersant and thickener copolymers, contributing ester functionality alongside the acid or amide monomers in the chain. |
| Ethylenediamine | Component in corrosion inhibitors and neutralising amine blends for boiler and closed-circuit water, where an alkaline amine controls pH and protects steel surfaces. |
| Ferric Chloride | Primary iron coagulant for turbidity, colour, suspended solids, phosphate and sulphide control in drinking water, sewage and industrial effluent. Hydrolyses to ferric hydroxide floc that settles ahead of filtration or sludge dewatering. |
| Ferric Sulfate | Primary iron coagulant for turbidity, colour, suspended solids and phosphate removal in drinking water, sewage and industrial effluent. In water it hydrolyses to ferric hydroxide floc that settles ahead of filtration or sludge dewatering. |
| Ferrous Ammonium Sulphate | Reagent for COD determination and related water and wastewater analytical work that uses ferrous ammonium sulphate in the titration or standard preparation step. |
| Ferrous Sulphate | Coagulant or reducing agent in selected water and wastewater treatment steps, including chromate reduction and related iron(II) dosing duties where ferrous sulphate is named. |
| Gluconic Acid | Sequestration and mild organic-acid support in process-water and cleaning circuits where free gluconic acid is preferred for metal-ion control. |
| Glutaraldehyde | Biocide component in industrial water, cooling-water and process-water programmes where glutaraldehyde is specified for microbial control. |
| HEDP | Organophosphonate scale inhibitor and chelant in open and closed cooling systems, boiler water and process-water programmes, controlling calcium carbonate, calcium sulphate and other hardness-related deposits while sequestering iron and other metal ions. |
| Hydrated Lime | Raising pH and alkalinity in potable water, softening hard water by lime precipitation, and dropping dissolved metals out of effluent. |
| Hydrazine Hydrate | Oxygen scavenger for boiler-water and process-water deoxygenation where hydrazine hydrate is specified to control dissolved oxygen in steam and closed systems. |
| Hydrochloric Acid | Lowering pH in process and effluent streams, and regenerating the cation resin in demineralisation plants. |
| Hydrofluorosilicic Acid | Used in municipal and industrial water-treatment processes where a specified fluorosilicic acid solution is required. |
| Hydrogen Peroxide | Oxidising treatment for process water, odour control and selected disinfection or advanced oxidation steps where hydrogen peroxide is specified as the active oxidant. |
| Ion Exchange Resin | Softening, dealkalisation, demineralisation and condensate polishing beds, with resin type and ionic form matched to the water analysis and the vessel volume. |
| Iron EDTA | Chelated iron component for compatible treatment and industrial process formulations. |
| Isothiazolinone | Used in selected water-treatment biocide applications, with the precise member, blend and actives content stated in the purchasing requirement. |
| Itaconic Acid | Intermediate for scale-inhibitor and dispersant polymers used in industrial water-treatment formulations. |
| Magnesium Hydroxide | Alkali for neutralising acidic effluent, correcting alkalinity and precipitating dissolved metals, dosed as slurry or as powder made up on site, with less risk of overshooting pH than a strong alkali. |
| Magnesium Nitrate | Nitrate source used in selected denitrification and process-dosing duties at wastewater treatment plants, subject to the plant design and grade. |
| Magnesium Oxide | Neutralising acidic effluent to a stable pH without overshoot, and precipitating dissolved heavy metals out of process water. |
| Manganese Dioxide | Oxidising filter media for iron and manganese removal from borehole and process water, sized for the bed depth and backwash rate of the vessel. |
| Methacrylic Acid | Feedstock for dispersant, antiscalant and sludge-conditioning copolymers where carboxyl functionality carries the performance. |
| Methoxypropylamine | Used as a volatile neutralising amine in boiler-water and steam-condensate treatment programmes. |
| MGDA | Sequestration and scale-control component in compatible water and process-treatment formulations. |
| Monosodium Phosphate | Phosphate dosing in boiler and cooling programmes, and pH correction of process water where the acid side of the phosphate pair is required. |
| Morpholine | Volatile neutralising amine for boiler feedwater and steam-condensate treatment. Morpholine distributes with the steam and raises condensate pH to limit carbonic acid corrosion in return lines. |
| Nitrilotriacetic Acid | Chelation of polyvalent metal ions in industrial water-treatment and scale-control formulations. |
| PBTC | Used as a PBTC scale inhibitor in cooling-water, boiler-water and membrane-treatment formulations targeting calcium carbonate and calcium sulphate deposits. |
| Peracetic Acid | Disinfection and oxidation duty on cooling water, process water and wastewater, for plants that want an oxidiser breaking down to acetic acid, water and oxygen. |
| Perlite | Filter aid and filter media in water clarification and swimming pool circuits, as an alternative to sand or diatomite in pressure filters. |
| Phenolphthalein | Endpoint indicator in alkalinity and related acid-base titrations used in water and wastewater laboratory testing programmes. |
| Phosphinocarboxylic Acid | Used as a scale inhibitor and particulate dispersant in boiler-water and cooling-water treatment formulations. |
| Phosphoric Acid | pH correction, and scale and corrosion control in potable water distribution. |
| Poly Aluminium Chloride | Primary coagulant for drinking water and industrial effluent. Poly aluminium chloride works across a wider pH range than aluminium sulphate at a lower typical dose and consumes less alkalinity. |
| Poly Ferric Sulphate | Coagulation in municipal water, wastewater and industrial effluent treatment, subject to plant trials and the required water-quality targets. |
| Polyacrylamide Flocculant | Sludge dewatering on belt presses, centrifuges and screw presses, and clarification of suspended solids in effluent and drinking water. |
| Polyacrylic Acid | Scale control and particle dispersion in cooling towers, boiler feed lines and process water, where the carboxyl groups keep hardness salts, iron and silt from settling out on heat transfer surfaces. |
| Polymer | Process polymers used as coagulant and flocculant aids in industrial effluent and process-water treatment. State charge type and duty when a dedicated flocculant grade is required. |
| Potash Alum | Coagulant and clarifying aid for turbidity and suspended solids reduction in process water and selected industrial effluent systems where potash alum or potassium alum is specified. |
| Potassium Permanganate | Pre-oxidation of dissolved iron and manganese so they can be filtered out, control of taste and odour, and oxidative dosing in drinking-water, groundwater and industrial process-water plants. |
| Quicklime | On-site slaking for pH correction, softening and heavy-metal precipitation, usually converted to milk of lime before dosing. |
| Silica Sand | Graded filter sand for rapid gravity and pressure filters, multi-media beds and swimming-pool sand filters. Effective size, uniformity coefficient and wash condition are matched to the filter design. |
| Soda Ash | pH correction and carbonate alkalinity adjustment in drinking water and process water treatment. |
| Sodium Aluminate | Coagulant and coagulant aid in municipal and industrial water and wastewater treatment, and for phosphate removal. Unlike alum, which consumes alkalinity, sodium aluminate adds alkalinity while it coagulates, so it is often chosen for soft or low-alkalinity water. |
| Sodium Bicarbonate | Alkalinity addition, acid neutralisation and controlled pH adjustment in water and wastewater treatment processes. |
| Sodium Bisulfite | Liquid dosing for dechlorination, dissolved-oxygen control and reducing duties in water and wastewater processes. |
| Sodium Bisulphate | pH reduction and total alkalinity control in pool, spa and process water, where sodium bisulphate is dosed as a dry acid instead of liquid mineral acid. |
| Sodium Bromide | Bromide precursor in selected biocide and disinfection programmes where sodium bromide is activated or formulated under process control. |
| Sodium Chlorate | Source material for chlorine dioxide generation in industrial water and process-water oxidation systems where chlorate-based ClO2 chemistry is specified. |
| Sodium Chloride | Salt for softener regeneration brine and other treatment duties that specify industrial or refined sodium chloride rather than consumer table salt. |
| Sodium Chlorite | Precursor for on-site chlorine dioxide generation in municipal and industrial water and wastewater plants, used where ClO2 is chosen for oxidation, taste and odour work, iron and manganese removal or biofilm control in distribution and process systems. |
| Sodium Dichloroisocyanurate | Drinking-water, process-water and wastewater disinfection, plus cooling tower and swimming-pool chlorination, where a stable solid chlorine donor is preferred to liquid bleach for storage and dosing reasons. |
| Sodium Dimethyldithiocarbamate | Used as a dithiocarbamate heavy-metal precipitant in industrial wastewater treatment and polishing programmes for metal-bearing effluent. |
| Sodium Gluconate | Sequestering aid for hardness control, scale moderation and stabilisation of process water where a mild organic chelant is preferred. |
| Sodium Hexametaphosphate | Threshold sequestering agent for hardness control, scale inhibition and management of iron- and manganese-related red or black water in process and distribution systems. |
| Sodium Hydrosulfite | Reduction of hexavalent chromium and other oxidised species in plating effluent and process water before precipitation or discharge treatment. |
| Sodium Hydroxide | Raising pH in drinking water and effluent, and precipitating dissolved heavy metals out of process streams. |
| Sodium Hypochlorite | Disinfection of drinking water, process water and swimming pools, and residual chlorine control where an aqueous hypochlorite solution is the preferred oxidising biocide. |
| Sodium Hypophosphite | Corrosion-inhibition component in selected water-treatment formulations where a hypophosphite chemistry is required. |
| Sodium Isobutyl Xanthate | Used in selected metal-precipitation duties where sodium isobutyl xanthate is specified for the treatment system. |
| Sodium Metabisulfite | Dechlorination, oxygen scavenging and reducing duties in buyer-controlled water and wastewater processes. |
| Sodium Molybdate | Non-chromate molybdate corrosion inhibitor for mild steel in closed-loop cooling water, chilled-water circuits and other treated water systems where the programme specifies sodium molybdate. |
| Sodium Nitrate | Nitrate dosing in effluent systems, and controlling odour and sulphide formation in sewers and wastewater lines. |
| Sodium Percarbonate | A solid source of hydrogen peroxide for oxidising organic load in effluent, for plants that would rather not store liquid peroxide. |
| Sodium Persulfate | Oxidant for in-situ chemical oxidation of soil and groundwater contamination, and for oxidative treatment steps on difficult process streams. |
| Sodium Polyacrylate | Threshold deposit and scale-control polymer in cooling circuits and boiler water, dosed alongside the rest of the treatment programme to keep hardness and iron dispersed. |
| Sodium Sesquicarbonate | Carbonate alkalinity and pH buffering in process water, cooling circuits and pool water, where the level has to be lifted in controlled steps rather than overshot. |
| Sodium Silicate | Coagulant aid used with alum or ferric to build heavier floc, and as a corrosion and scale inhibitor in distribution mains. |
| Sodium Silicofluoride | Fluoride source dosed through dry feeders at water treatment plants, chosen as a solid alternative to the liquid acid where dry handling suits the plant. Supply is subject to applicable requirements. |
| Sodium Sulphide | Industrial effluent treatment for metal precipitation and related reducing steps where a sodium sulphide grade is specified by the process design. |
| Sodium Sulphite | Boiler-water oxygen scavenging and residual dissolved-oxygen control, and dechlorination of process or treated water where a sulphite salt is specified as the reducing agent. |
| Sodium Thiosulphate | Dechlorination and chlorine residual control in process water, treated water and rinse streams where residual free chlorine must be reduced before discharge, reuse or downstream processing. |
| Sodium Tripolyphosphate | Sequestering and water-conditioning phosphate for selected process-water and industrial systems where hardness-ion control and dispersion are specified. |
| Sulfamic Acid | Descaling agent for cooling systems, boilers, heat exchangers and related plant where calcium carbonate and similar mineral scale must be removed with a solid acid that can be shipped and dosed dry. |
| Sulphuric Acid | pH adjustment and neutralisation in process water and industrial effluent treatment systems. |
| Tetrapotassium Pyrophosphate | Softening and sequestration of calcium, magnesium and other hardness ions in process water and selected conditioning programmes. |
| Tetrasodium HEDP | Used in cooling-water, boiler-water and reverse-osmosis treatment formulations as a chelant and scale-control component. |
| Tetrasodium Pyrophosphate | Softening and iron-sequestration aid in process and industrial water systems that use pyrophosphate for metal-ion control. |
| THPS | Used as a phosphonium biocide in cooling-tower and industrial-water treatment programmes for microbiological control. |
| Tolyltriazole | Copper and copper-alloy corrosion inhibitor in open and closed industrial cooling-water programmes, forming a thin protective film on yellow-metal surfaces in the circuit. |
| Trichloroisocyanuric Acid | Chlorination of swimming pool, spa, cooling tower and industrial water circuits, chosen where a high available-chlorine solid that releases slowly is easier to store and feed than bulk liquid bleach. |
| Triethylamine | Intermediate in corrosion inhibitor and specialty additive manufacture for industrial water and process systems. |
| Tripotassium Phosphate | Used in water-treatment and boiler-water conditioning formulations where a soluble, strongly alkaline phosphate source is specified. |
| Trisodium Phosphate | Water softening and process-water conditioning where phosphate treatment supports hardness control and related alkaline treatment duties. |
| Vinyl Ester Resin | Tanks, launders, pipe and lining work for water and effluent treatment plant handling chlorinated, acidic or oxidising streams. |
| Xylenol Orange | Used in laboratory testing of water and wastewater samples where the selected analytical method calls for a xylenol orange indicator. |
| Zeolite | Ammonia and heavy metal removal by ion exchange, and as a granular filter media alongside or in place of sand. |
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