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1-Hydroxyethylidene-1,1-diphosphonic acid

1-Hydroxyethylidene-1,1-diphosphonic acid
1-Hydroxyethylidene-1,1-diphosphonic acid structure
CAS No.
2809-21-4
Chemical Name:
1-Hydroxyethylidene-1,1-diphosphonic acid
Synonyms
ehdp;HEDP;HEDPA;HDEPA;OEDFK;1000sl;HEDP2NA;turpinalsl;dequest2015;dequestz010
CBNumber:
CB4719658
Molecular Formula:
C2H8O7P2
Formula Weight:
206.03
MOL File:
2809-21-4.mol

1-Hydroxyethylidene-1,1-diphosphonic acid Properties

Melting point:
198~199℃
Boiling point:
578.8±60.0 °C(Predicted)
Density 
1.45 (60% aq.)
form 
Powder
pka
1.35, 2.87, 7.03, 11.3(at 25℃)
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
Substances Added to Food (formerly EAFUS)
1-HYDROXYETHYLIDENE-1,1-DIPHOSPHONIC ACID
CAS DataBase Reference
2809-21-4(CAS DataBase Reference)
FDA 21 CFR
173.315
EWG's Food Scores
1-2
FDA UNII
M2F465ROXU
EPA Substance Registry System
Etidronic acid (2809-21-4)
SAFETY
  • Risk and Safety Statements
Symbol(GHS) 
GHS05
Signal word  Danger
Hazard statements  H314-H303-H290-H318
Precautionary statements  P260h-P301+P330+P331-P303+P361+P353-P501a-P234-P260-P264-P301+P330+P331+P310-P303+P361+P353+P310+P363-P304+P340+P310-P305+P351+P338+P310-P390-P405-P406-P501-P280-P305+P351+P338
Hazard Codes  Xi,Xn
Risk Statements  37/38-41-22
Safety Statements  26-39
RIDADR  UN 3265
WGK Germany  2
RTECS  SZ8562100
10
TSCA  Yes
HazardClass  8
PackingGroup  II
HS Code  29319090
Toxicity LD50 oral in mouse: 1800mg/kg

1-Hydroxyethylidene-1,1-diphosphonic acid price More Price(8)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich H6773 Etidronic acid 60% aqueous solution 2809-21-4 100g $49.3 2019-12-02 Buy
Sigma-Aldrich H6773 Etidronic acid 60% aqueous solution 2809-21-4 500g $195 2019-12-02 Buy
TCI Chemical H0587 1-Hydroxyethane-1,1-diphosphonic Acid (ca. 60% in Water, ca. 4.2mol/L) 2809-21-4 25g $26 2020-06-24 Buy
TCI Chemical H0587 1-Hydroxyethane-1,1-diphosphonic Acid (ca. 60% in Water, ca. 4.2mol/L) 2809-21-4 500g $99 2020-06-24 Buy
Alfa Aesar 043502 1-Hydroxyethylidenebis(phosphonic acid), 96% 2809-21-4 10g $104 2020-06-24 Buy

1-Hydroxyethylidene-1,1-diphosphonic acid Chemical Properties,Uses,Production

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

Preparation Products


1-Hydroxyethylidene-1,1-diphosphonic acid Suppliers

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View Lastest Price from 1-Hydroxyethylidene-1,1-diphosphonic acid manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2020-05-03 1-Hydroxyethylidene-1,1-diphosphonic acid HEDP
2809-21-4
US $0.00-0.00 / KG 1KG 99.0% 600 Tons Shaanxi Dideu Medichem Co. Ltd
2019-12-27 Etidronic acid 50% 60% 90%
2809-21-4
US $0.00-0.00 / KG 25KG 50% 60% 90% 800 tons Shaanxi Dideu Medichem Co. Ltd
2019-07-11 1-Hydroxyethylidene-1,1-diphosphonic acid
2809-21-4
US $1.00 / KG 1KG 99% 25kg career henan chemical co

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