Calcium hypophosphite
| Price | $1 |
| Package | 1KG |
| Min. Order: | 1KG |
| Supply Ability: | 100kg |
| Update Time: | 2019-12-31 |
Product Details
| Product Name: Calcium hypophosphite | CAS No.: 7789-79-9 |
| Min. Order: 1KG | Purity: 99% |
| Supply Ability: 100kg | Release date: 2019/12/31 |
| name: Cassie369 |
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Product Name:
Calcium hypophosphite
Synonyms:
Phosphinicacid,calciumsalt;CALCIUM HYPOPHOSPHITE;CALCIUM PHOSPHINATE;CALCIUM HYPOPHOSPHITE EXTRA PURE, DAC;Lime hypophosphite;CALCIUM HYPOPHOSPHITE TECHNICAL;CALCIUMHYPOPHOSPHITE,PURIFIED;Calcium hydrophosphite
CAS:
7789-79-9
MF:
CaO4P2
MW:
166.02
EINECS:
232-190-8
Product Categories:
-;Inorganics
Mol File:
7789-79-9.mol
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Calcium hypophosphite Chemical Properties
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Melting point
decomposes [ALF93]
form
white monoclinic crystals
Water Solubility
Soluble in water. Practically insoluble in alcohol. Slightly soluble in glycerol
Sensitive
Hygroscopic
Merck
14,1675
InChIKey
XJPMAXXEWYLDCQ-UHFFFAOYSA-L
CAS DataBase Reference
7789-79-9(CAS DataBase Reference)
EPA Substance Registry System
Calcium hypophosphite (7789-79-9)
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Safety Information
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Hazard Codes
F
Risk Statements
11
Safety Statements
7-15
RIDADR
UN 3180 4.1/PG 2
WGK Germany
3
TSCA
Yes
HazardClass
4.1
Hazardous Substances Data
7789-79-9(Hazardous Substances Data)
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MSDS Information
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Provider
Language
Calcium hypophosphite
English
SigmaAldrich
English
ALFA
English
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Calcium hypophosphite Usage And Synthesis
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Description
Calcium hypophosphite has the molecular formula of Ca(H2PO2)2 and the molecular weight of 170.0631 g/mol. This salt can be prepared by the aqueous reaction of the carbonate or oxide with H3PO2:
CaO + 2H3PO2 ? Ca(H2PO2)2
The salt is soluble in water (20 g/100 ml at 20°C) so that the solution must be evaporated to obtain crystals. Ca(H2PO2)2 has the CAS number of 7789-79-9 and the density of 1.59 g/cm3. It is composed of white square monoclinic crystalswhich are water soluble. It is insoluble in alcohol or ether.When heated to about 305°C, it disproportionates, forming calcium phosphate and phosphine:
Ca(H2PO2)2 + heat ? CaHPO3 + PH3
CaO + 2H3PO2 ? Ca(H2PO2)2
The salt is soluble in water (20 g/100 ml at 20°C) so that the solution must be evaporated to obtain crystals. Ca(H2PO2)2 has the CAS number of 7789-79-9 and the density of 1.59 g/cm3. It is composed of white square monoclinic crystalswhich are water soluble. It is insoluble in alcohol or ether.When heated to about 305°C, it disproportionates, forming calcium phosphate and phosphine:
Ca(H2PO2)2 + heat ? CaHPO3 + PH3
Chemical Properties
white monoclinic, prismatic crystal(s) or granular powder(s); used as a corrosion inhibitor and in medicine [MER06] [HAW93]
Physical properties
Calcium hypophosphite is relatively soluble in water, and when added to a solution of sodium hypophosphite, forms a double salt. Crystals were obtained by slow evaporation of the solution to form dodecahedra with well-developed {110} faces. The crystal structure of CaNa(H2PO2)3 belongs to the cubic system with space group, P213, Z = 4 and a = 9.721?. The structure consists of two kinds of octahedral groups, one with a calcium atom and the other with a sodium atom. Each atom of the hypophosphite ions is coordinated to each one of the calcium and sodium atoms to form the octahedral. This structure is, in general, typical of the salts of hypophosphorous acid.
Calcium hypophosphite is readily available commercially since its main usage, both industrially and in Research, has proven to be as a source of hypophosphite anions to form other hypophosphites.
Calcium hypophosphite is readily available commercially since its main usage, both industrially and in Research, has proven to be as a source of hypophosphite anions to form other hypophosphites.
Uses
As corrosion inhibitor; in nickel plating. Pharmaceutic aid (retards oxidation of ferrous salts).
Company Profile Introduction
Established in 2014,Career Henan Chemical Co. is a manufacturerspecializing in the sale of fine chemicals.
Mainly deals in the sales of:
Pharmaceutical intermediates
OLED intermediates：
Pharmaceutical intermediates;
OLED intermediates;
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