2-膦酸丁烷-1，2，4-三羧酸 PBTCA

2-Phosphonobutane -1,2,4-Tricarboxylic Acid (PBTCA)

CAS No. 37971-36-1                  

分子式  C₇H₁₁O₉P                     相对分子质量：270.13

结构式

一、产品性能：

PBTCA含磷量低，由于它具有膦酸和羧酸的结构特性，使其具有良好的阻垢和缓蚀性能，优于常用的有机膦酸，特别在高温下阻垢性能远优于常用的有机膦酸，能提高锌的溶解度，耐氯的氧化性能好，复配协同性好。

二、质量指标 符合HG/T 3662-2000

三、用途

PBTCA在高效阻垢缓蚀剂复配中应用最广，是性能最好的产品之一，也是锌盐的优良稳定剂。广泛应用于循环冷却水系统和油田注水系统的缓蚀阻垢，特别适合与锌盐、共聚物复配使用，可用于高温、高硬、高碱及需要高浓缩倍数下运行的场合，PBTCA在洗涤行业中可作螯合剂及金属清洗剂。

四、应用范围与使用方法

PBTCA一般与锌盐、共聚物、有机磷、唑类等其它水处理剂复配使用。如单独使用投加剂量为5~15mg/L。

五、包装与贮存

PBTCA用塑料桶包装，每桶25Kg或250Kg。贮存于室内阴凉处。贮存期十二个月。

六、安全防护

PBTCA为酸性，应避免与眼睛、皮肤接触，一旦溅到身上，应立即用大量水冲洗。

2-Phosphonobutane -1,2,4-Tricarboxylic Acid(PBTCA)

CAS No.  37971-36-1

Molecular Formula:   C₇H₁₁O₉P            Molecular weight: 270.13

Structural Formula:

Properties:

PBTCA has low content of phosphoric, has structural features of both phosphoric acid and carboxylic acid group, which enable its excellent scale and corrosion inhibition properties. Its antiscale property under high temperature is far better than that of organophosphines. It can improve zinc salt solubility, has good chlorine oxidation tolerance and good composite synergy.

Specification:

Usage:

PTBCA is a high efficient agent as scale and corrosion inhibitor. It is the excellent stabilizer for zinc salt. It is widely used in circulating cool water system and oilfield refill water system as scale and corrosion inhibitor, suitable to composite with zinc salt and copolymer. It can be used in situations of high temperature, high hardness, high alkali and high concentration index. In lavation fields, it is used as chelating agent and metal detergent.

PTBCA is usually used together with zinc salt, copolymer, organophosphine, imidazole and other Water Treatment Chemicals. When used alone, the dosage of 5-15mg/L is preferred.

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.

Safety Protection:

Acidity, Avoid contact with eye and skin, once contacted, flush with water.　

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)

别名：羟基亚乙基二膦酸           CAS No. 2809-21-4

分子式  C₂H₈O₇P₂                相对分子质量：206.02

结构式

一、产品特性：

HEDP是一种有机膦酸类阻垢缓蚀剂，能与铁、铜、锌等多种金属离子形成稳定的络合物，能溶解金属表面的氧化物。在250℃下仍能起到良好的缓蚀阻垢作用，在高pH下仍很稳定，不易水解，一般光热条件下不易分解。耐酸碱性、耐氯氧化性能较其它有机膦酸（盐）好。可与水中金属离子，尤其是钙离子形成六圆环螯合物，因而具较好的阻垢效果并具明显的溶限效应，当和其它水处理剂复合使用时，表现出理想的协同效应。

HEDP固体属于高纯产品，适用于冬季严寒地区；特别适用于电子行业的清洗剂和日用化学品添加剂。

二、质量指标   符合HG/T 3537-1999

三、应用范围与使用方法

HEDP广泛应用于电力、化工、冶金、化肥等工业循环冷却水系统及中、低压锅炉、油田注水及输油管线的阻垢和缓蚀；在轻纺工业中，可以作金属和非金属的清洗剂，漂染工业的过氧化物稳定剂和固色剂，无氰电镀工业的络合剂。HEDP作阻垢剂一般使用浓度1～10mg/L，作缓蚀剂一般使用浓度10-50mg/L；作清洗剂一般使用浓度1000～2000mg/L；通常与聚羧酸型阻垢分散剂配合使用。

四、包装与贮存

HEDP液体用塑料桶包装，每桶30Kg或250Kg；HEDP固体用内衬聚乙烯袋的塑料编织袋包装，每袋净重25kg，也可根据用户需要确定。贮于室内阴凉通风处，防潮，贮存期十个月。

五、安全防护

HEDP为酸性，应避免与眼睛、皮肤接触，一旦溅到身上，应立即用大量水冲洗。

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)

CAS No.  2809-21-4

Molecular Formula:   C₂H₈O₇P₂                Molecular weight: 206.02

Structural Formula:

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℃. 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:

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.

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.

Safety Protection:

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)

别名：羟基亚乙基二膦酸           CAS No. 2809-21-4

分子式  C₂H₈O₇P₂                相对分子质量：206.02

结构式

一、产品特性：

HEDP是一种有机膦酸类阻垢缓蚀剂，能与铁、铜、锌等多种金属离子形成稳定的络合物，能溶解金属表面的氧化物。在250℃下仍能起到良好的缓蚀阻垢作用，在高pH下仍很稳定，不易水解，一般光热条件下不易分解。耐酸碱性、耐氯氧化性能较其它有机膦酸（盐）好。可与水中金属离子，尤其是钙离子形成六圆环螯合物，因而具较好的阻垢效果并具明显的溶限效应，当和其它水处理剂复合使用时，表现出理想的协同效应。

HEDP固体属于高纯产品，适用于冬季严寒地区；特别适用于电子行业的清洗剂和日用化学品添加剂。

二、质量指标   符合HG/T 3537-1999

三、应用范围与使用方法

HEDP广泛应用于电力、化工、冶金、化肥等工业循环冷却水系统及中、低压锅炉、油田注水及输油管线的阻垢和缓蚀；在轻纺工业中，可以作金属和非金属的清洗剂，漂染工业的过氧化物稳定剂和固色剂，无氰电镀工业的络合剂。HEDP作阻垢剂一般使用浓度1～10mg/L，作缓蚀剂一般使用浓度10-50mg/L；作清洗剂一般使用浓度1000～2000mg/L；通常与聚羧酸型阻垢分散剂配合使用。

四、包装与贮存

HEDP液体用塑料桶包装，每桶30Kg或250Kg；HEDP固体用内衬聚乙烯袋的塑料编织袋包装，每袋净重25kg，也可根据用户需要确定。贮于室内阴凉通风处，防潮，贮存期十个月。

五、安全防护

HEDP为酸性，应避免与眼睛、皮肤接触，一旦溅到身上，应立即用大量水冲洗。

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)

CAS No.  2809-21-4

Molecular Formula:   C₂H₈O₇P₂                Molecular weight: 206.02

Structural Formula:

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℃. 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:

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.

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.

Safety Protection:

Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium (EDTMPS)

别名：乙二胺四亚甲基膦酸钠             CAS No. 1429-50-1

分子式  C₆H₁₂O₁₂N₂P₄Na₈               相对分子质量：612.13

结构式

一、产品性能：

EDTMPS是含氮有机多元膦酸，属阴极型缓蚀剂，与无机聚磷酸盐相比，缓蚀率高3～5倍。能与水混溶，无毒无污染，化学稳定性及耐温性好，在200℃下仍有良好的阻垢效果。EDTMPS在水溶液中能离解成8个正负离子，因而可以与多个金属离子螯合，形成多个单体结构大分子网状络合物，松散地分散于水中，使钙垢正常结晶被破坏。EDTMPS对硫酸钙、硫酸钡垢的阻垢效果好。

二、质量指标 符合HG/T 3538-2003

三、应用范围与使用方法

EDTMPS用于循环水和锅炉水的缓蚀阻垢剂、无氰电镀的络合剂、纺织印染行业螯合剂和氧漂稳定剂。在循环冷却水中单独投加时，一般剂量2～10mg/L。EDTMPS与HPMA按1:3比例复配后，可用于低压锅炉炉内水处理。EDTMPS也可与BTA、PAAS、锌盐等复配使用。

四、包装与贮存

EDTMPS用塑料桶包装, 每桶25kg或根据用户需要确定。贮于室内阴凉处，贮存期十个月。

Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium (EDTMPS)

CAS No.  1429-50-1 

Molecular Formula:   C₆H₁₂O₁₂N₂P₄Na₈          Molecular weight: 612.13

Structural Formula:

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℃. 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:

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.

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.　

Ethylene Diamine Tetra (Methylene Phosphonic Acid) EDTMPA (Solid)

别名：乙二胺四亚甲基膦酸             CAS No. 1429-50-1

分子式  C₆H₁₂O₁₂N₂P₄                相对分子质量：436

结构式

一、性能与用途：

常温下EDTMPA为白色结晶性粉末，熔点215-217℃，微溶于水，在室温下溶解度小于5%，易溶于氨水。

EDTMPA具有很强的螯合金属离子的能力，与铜离子的络合常数是包括EDTA在内的所有螯合剂中最大的。EDTMPA为高纯试剂且无毒，在电子行业可作为半导体芯片的清洗剂用于制造集成电路；在医药行业作放射性元素的携带剂，用于检查和治疗疾病；EDTMPA的螯合能力远超过EDTA和DTPA，几乎在所有使用EDTA作螯合剂的地方都可用EDTMPA替代。

二、质量指标

三、包装与贮存

EDTMPA采用复合塑编袋包装或符合出口环保要求的包装，每袋净重25kg，贮于室内阴凉处，贮存期十个月。

Ethylene Diamine Tetra (Methylene Phosphonic Acid)
EDTMPA (Solid)

CAS No.  1429-50-1 

Molecular Formula:   C₆H₂₀ N₂O₁₂P₄                Molecular weight:  436.13

Structural Formula:

Properties:

EDTMPA is white crystal powder at room temperature, with melting point 215-217℃, hard to be dissolved in water, the solubility is less that 5% at room temperature, easy dissolved in ammonia. EDTMPA has strong metal ion chelating capacity, whose chelating constant with cuprum ion is larger than that of EDTA.

EDTMPA has high capacity for chelating metal ions. The complex constant with Cu is the largest in all chelating agents including EDTA. EDTMPA is a kind of high-pure grade reagent and innocuous, it can be used as detergent in semiconductor chip to prepare integrated circuit, as carrying agent for radioelement in medical industry, and as agent for inspection and therapy. The chelating capacity of EDTMPA largely exceed that of EDTA and DTPA, and can replace EDTA for chelating agent at almost any situation. 

Specification:

Our company can produce 99% (chromatograph purity) and high purity product on demand of clients.

Package and Storage:

25kg inner liner polyethylene (PE) bag, outer plastic woven bag, with agreement with export environment requirement, or confirmed by clients. Storage for one year in room shady and dry place.

Diethylene Triamine Penta (Methylene Phosphonic Acid) (DTPMPA)

别名：二乙烯三胺五亚甲基膦酸;DETPMP      CAS No. 15827-60-8

分子式  C₉H₂₈O₁₅N₃P₅                    相对分子质量：573.2

结构式

一、产品性能：

DTPMPA无毒，易溶于酸性溶液中，阻垢缓蚀效果俱佳且耐温性好，可抑制碳酸盐、硫酸盐垢的生成，在碱性环境和高温下(210℃以上)阻垢缓蚀性能较其它有机膦好。

二、质量指标 符合HG/T 3777-2005

三、应用范围与使用方法

DTPMPA在水处理中用作循环冷却水和锅炉水的阻垢缓蚀剂，特别适用于碱性循环冷却水中作为不调pH的阻垢缓蚀剂，并可用于含碳酸钡高的油田注水和冷却水、锅炉水的阻垢缓蚀剂；在复配药剂中单独使用本品，无需投加分散剂，污垢沉积量仍很小。

DTPMPA也可用作过氧化物稳定剂、纺织印染用螯合剂、颜料的分散剂、氧脱木素稳定剂、化肥中微量元素携带剂、混凝土添加剂。此外，在造纸、电镀、金属酸洗和化妆品等方面也得到了广泛应用。还可作氧化性杀菌剂的稳定剂。

四、包装与贮存

DTPMPA用塑料桶包装，每桶30kg或根据用户需要确定。贮于室内阴凉处，贮存期为十个月。

五、安全防护

DTPMPA为酸性，应避免与眼睛、皮肤接触，一旦溅到身上，应立即用大量水冲洗。

Diethylene Triamine Penta (Methylene Phosphonic Acid) (DTPMPA)

CAS No.  15827-60-8

Molecular Formula:   C₉H₂₈O₁₅N₃P₅              Molecular weight: 573.2

Structural Formula:

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℃) DTPMPA has better scale and corrosion inhibition effect than other organophosphines.

Specification:

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, microelement’s carrying agent in fertilizer and concrete modifier. In addition, DTPMPA is used in papermaking, electroplating, acid cleaning and cosmetics.

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.

Safety Protection:

Acidity, Avoid contact with eye and skin, once contacted, flush with water.