1-Hydroxyethylidene-1,1-diphosphonic acid CAS 2809-21-4

ETHANE-1-HYDROXY-1,1-DIPHOSPHONICACID,95+%;(1-Hydroxyethylidene)biphosphonicacid;HydroxyethylideneDiphosphonicacid(HEDP);1-Hydroxyethylidene-1,1-diphosphonicacid,min.95%HEDPChemicalbook;1-Hydroxyethan-1,1-diphosphonsure;1-HYDROXYETHYLIDENE-1,1-DIPHOSPHONICACIDHEDP;1-Hydroxyethylidene-1,1-bis-(phosphonicacid);1-HYDROXYETHYLIDENE-1,1-DIPHOSPHONICACID,98%HEDP

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Model:
2809-21-4
Brand:
bosschem
Code:
2809-21-4

Product Description

1-Hydroxyethylidene-1,1-diphosphonic acid Basic information
Product Name:	1-Hydroxyethylidene-1,1-diphosphonic acid
CAS:	2809-21-4
MF:	C2H8O7P2
MW:	206
EINECS:	220-552-8
Mol File:	2809-21-4.mol
1-Hydroxyethylidene-1,1-diphosphonic acid Chemical Properties
Melting point	198~199℃
Boiling point	578.8±60.0 °C(Predicted)
density	1.45 (60% aq.)
storage temp.	Sealed in dry,Room Temperature
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	143,863
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	Etidronic acid (2809-21-4)

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公司信息

1-Hydroxyethylidene-1 1-diphosphonic acid 2809-21-4 C2H8O7P2

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Chemical detection methods

Spectroscopic Analysis Methods

Ultraviolet-Vis Spectrophotometry (UV-Vis)
Infrared Spectroscopy (IR/FTIR)
Atomic Absorption Spectroscopy (AAS)
X-ray Fluorescence Spectroscopy (XRF)
Nuclear Magnetic Resonance Spectroscopy (NMR)

Chromatographic Analysis

Gas Chromatography (GC)
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Mass Spectrometry Analysis

GC-MS / LC-MS/MS: Qualitative and Quantitative Analysis
ICP-MS: Trace Metal Elements (ppb Level)
TOF-MS: Precise Molecular Weight Determination

Electrochemical analysis methods

Polypotentiometric methods
Conductivity methods
Polarographic methods / Voltammetric methods
Coulometric analysis

Thermal Analysis Methods

Thermogravimetric Analysis (TGA)
Differential Scanning Calorimetry (DSC)
Differential Thermal Analysis (DTA)

Classical wet chemical analysis

Titration analysis
Gravity analysis