1-Hydroxyethylidene-1,1-diphosphonic acid CAS NO.2809-21-4

Min.Order Quantity:: 1 Kilogram

Purity:: 99%

Port:: China main port

Payment Terms:: L/C,D/A,D/P,T/T,MoneyGram,Other

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Product Details

Keywords

(1-hydroxyethylene)diphosphonicacid
(1-hydroxyethylidene)bis-phosphonicaci
(1-hydroxyethylidene)di-phosphonicaci

Quick Details

ProName: 1-Hydroxyethylidene-1,1-diphosphonic a...
CasNo: 2809-21-4
Molecular Formula: C2H8O7P2
Appearance: light beige powder
Application: 2809-21-4
DeliveryTime: 7-10days after payment
PackAge: as customer's requirement
Port: China main port
ProductionCapacity: 100-200 Kilogram/Month
Purity: 99%
Storage: room temperature
Transportation: air or sea express
LimitNum: 1 Kilogram

Superiority

2.material safety data sheet (msds)

3.route of synthesis (ros)
4.method of aanlysis(moa)
5.nuclear magnetic resonance(nmr)
6.packing pictures and loading video before loading
7.free sample
9.factory audit
10.strong after-sale service

our services
1. quality control, before shipment, free sample for test.
2. prompt shipment with professional documents
3. packing as your request, with photo before shipment
4. we can provide mixed containers with different mixed items in one container

hennan sunlake enterprise corporation is located in henan province , the central plain of china , which enjoys favorable geogeaphical position and convenient transportion, the com[any was established in june. 1998 , until now having more than 18 years experience in manufacturing & exporting chemical raw material .

sunlake is a professional manufacturer engaged in producing and selling chemicals,including organic & inorganic chemicals , pigments & dyestuffs , water treatment chemicals , food & feed additives and others . these products have been being well exported to europe , southeast asia , the middle east , africa , south america and some other countries and areas.

we sincerely welcome foreign friends to visit our plant for cooperation. with the idea of "quality first,credit priority, excellent service", we are highly acknowledged by customers for good quality and competitive price. more importantly , the company has a strong r & d team, who are professional engineers and scholars with ph. d. .so we are confident to serve you better with our high - quality products and professional team.

we are taking great efforts to provide our customers with demanded goods and professional services, and continuously improve our core ability of competition and get the momentum for sustainable development, and finally make us being a reliable and professional wupplier in international market.

we welcome any serious inquiries from all customers of the world, and sincerely hope to cooperate with you for a brilliant future!

Details

product name:	1-hydroxyethylidene-1,1-diphosphonic acid
synonyms:	(1-hydroxyethylene)diphosphonicacid;(1-hydroxyethylidene)bis-phosphonicaci;(1-hydroxyethylidene)di-phosphonicaci;(hydroxyethylidene)diphosphonicacid;1,1,1-ethanetrioldiphosphonate;1000sl;1-hydroxy-1,1-diphosphonoethane;1-hydroxyethanediphosphonica
cas:	2809-21-4
mf:	c2h8o7p2
mw:	206.03
einecs:	220-552-8
product categories:	industrial/fine chemicals;inorganic & organic chemicals;analytical chemistry;ligands for pharmaceutical research;radiopharmaceutical chemistry (chelating reagents);phosphonate antiscalant;organophosphorus compound;water treatment
mol file:	2809-21-4.mol

1-hydroxyethylidene-1,1-diphosphonic acid chemical properties

mp	198~199℃
density	1.45 (60% aq.)
merck	14,3863
stability:	stable. incompatible with strong oxidizing agents.
cas database reference	2809-21-4(cas database reference)
epa substance registry system	phosphonic acid, (1-hydroxyethylidene)bis-(2809-21-4)

safety information

hazard codes	xi,xn
risk statements	37/38-41-22
safety statements	26-39
ridadr	un 3265
wgk germany	2
rtecs	sz8562100
f	10
hazardclass	8
packinggroup	ii
hazardous substances data	2809-21-4(hazardous substances data)

msds information

provider	language
sigmaaldrich	english
alfa	english

1-hydroxyethylidene-1,1-diphosphonic acid usage and synthesis

chemical properties	light beige powder
usage	etidronate (didronel) is a human protein tyrosine phosphatase inhibitor with ic50 of 0.2 μm.

1-hydroxyethylidene-1,1-diphosphonic acid preparation products and raw materials

raw materials	hydrochloric acid-->acetic acid glacial-->phosphorus trichloride-->diethylenetriamine
preparation products	efficient complex formulationof corrosion and scale control-->ns series corrision and scale inhibitors-->scale inhibitor and sipersant ts-104-->(1-hydroxyethylidene)bis-phosphonic acid tetrasodium salt