Corrosion Inhibitor Ethylenebis(nitrilodimethylene)tetraphosphonic Acid CAS 1429 50 1 EDTMPA
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- Supplier: Shanghai Sunwise Chemical Co. Ltd.
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Product Overview
Description
Product Description
Ethylene Diamine Tetra (Methylene Phosphonic Acid) EDTMPA (Solid)
CAS No. 1429-50-1
Molecular Formula: C6H20 N2O12P4
Molecular Formula: C6H20 N2O12P4
Molecular weight: 436.13
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.
Specification
Appearance | White crystal powder |
Active acid, % | 96.0min |
Total phosphonic acid(as PO43-), % | 82.0 min |
Chloride(Cl-), % | 0.1 max |
Moisture, % | 2.0 max |
Fe, mg/L | 5 max |
pH(1% water solution) | 2.0 max |
Packing & Storage
Packing: in 25kgs/drum
Storage: Keep container sealed tighty in cool, dry and ventilated place. Keep away from sources of ignition
Safety Information
Non-dangerous Detailed safety information is contained in each Material Safety Data Sheet, which can
be obtained from our company.
be obtained from our company.
FAQ
Q1: May I get one sample before placing order?
For those high value products, you just need to freight and certain product cost. When we both cooperate for some times or when you are our VIP customer, free sample will be offered when you need.
Q2: Which payment is available for your company?
Re: T/T, L/C or Alibaba trade insurance. You can choose the one which is convenient for you.
Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.)
or by air. Usually it will cost 3-5days that you can get the goods after delivery.For large quantity products,
shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on
where the port is.
Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we'd like to use label or package according to your requirement.
Q5: How can you guarantee the goods you offer is qualified?
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide for you all are qualified. We will have goods tested and provide COA before delivery for sure.
For those high value products, you just need to freight and certain product cost. When we both cooperate for some times or when you are our VIP customer, free sample will be offered when you need.
Q2: Which payment is available for your company?
Re: T/T, L/C or Alibaba trade insurance. You can choose the one which is convenient for you.
Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.)
or by air. Usually it will cost 3-5days that you can get the goods after delivery.For large quantity products,
shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on
where the port is.
Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we'd like to use label or package according to your requirement.
Q5: How can you guarantee the goods you offer is qualified?
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide for you all are qualified. We will have goods tested and provide COA before delivery for sure.
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