(1-Hydroxyethane-1 1-diyl)diphosphonic acid CAS NO.2809-21-4 from China

Payment Type:

L/C,T/T

Incoterm:

FOB,CFR,CIF

Delivery Time:

10 Days

Basic Info

Model No.: 2809-21-4

Additional Info

Packaging: PLASTIC DRUM

Productivity: 200,000tons per year

Brand: JINAN FOREVER

Transportation: Ocean

Place of Origin: CHINA

Supply Ability: 80,000tons per year

Certificate: ISO9000

HS Code: 293190

Port: Shanghai,Qingdao

Product Description

1-Hydroxyethylidene-1,1-diphosphonic acid Basic information

Product Name:	1-Hydroxyethylidene-1,1-diphosphonic acid
Synonyms:	ETHANE-1-HYDROXY-1,1-DIPHOSPHONIC ACID, 95+%;(1-Hydroxyethylidene)biphosphonic acid;Hydroxyethylidene Diphosphonic acid (HEDP);1-Hydroxyethylidene-1,1-diphosphonicacid,min.95%HEDP;1-Hydroxyethan-1,1-diphosphonsure;1-HYDROXYETHYLIDENE-1,1-DIPHOSPHONIC ACID HEDP;1-Hydroxyethylidene-1,1-bis-(phosphonic acid);1-HYDROXYETHYLIDENE-1,1-DIPHOSPHONIC ACID, 98% HEDP
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

Melting point	198~199℃
density	1.45 (60% aq.)
pka	1.35, 2.87, 7.03, 11.3(at 25℃)
form	Powder
color	white
PH	pH (1.7→100, 25℃) : 1.3~1.8
Water Solubility	Soluble in water.
Merck	14,3863
BRN	1789291
Stability:	Stable. Incompatible with strong oxidizing agents.
InChIKey	DBVJJBKOTRCVKF-UHFFFAOYSA-N
CAS DataBase Reference	2809-21-4(CAS DataBase Reference)
EPA Substance Registry System	Phosphonic acid, (1-hydroxyethylidene)bis-(2809-21-4)

Safety Information

1-Hydroxyethylidene-1,1-diphosphonic acid Usage And Synthesis

Chemical Properties	light beige powder
Uses	Etidronate (Didronel) is a human protein tyrosine phosphatase inhibitor with IC50 of 0.2 μM.
Definition	ChEBI: A 1,1-bis(phosphonic acid) that is (ethane-1,1-diyl)bis(phosphonic acid) having a hydroxy substituent at the 1-position. It inhibits the formation, growth, and dissolution of hydroxyapatite crystals by chemisorption to calcium phosphate surfaces.
Brand name	Didronel (Millot Laboratories, France); Didronel (Procter & Gamble).

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

(1-Hydroxyethane-1 1-diyl)diphosphonic acid CAS NO.2809-21-4