Euclid - Laboratory Chemicals & Reagents

Products

Products			Std Pkg			Unit Price US$
Sodium dihydrogen phosphate - 2 - hydrate
mono-sodium ortho phosphate , sodium bi phosphate
sodium dihydrogen phosphate dihydrate
CAS - No [13472-35-0]
Phy chem. data
H₂NaO₄P. 2H₂OM =156.01 g/mol

9817850	Sodium dihydrogen phosphate - 2 - hydrate cryst.pure		500	g	pb
			25	kg	pb
Specifications			50	kg	hdp

Assay (NaH₂PO₄.2H₂O)_________ 98.0 - 100.5%
pH-value (5%; w/v; water)___________4.2 - 4.6		Heavy metals(as Pb)__________0.0005%
Chloride(Cl)________________________0.005%		Iron (Fe)____________________0.002%
Sulfate (SO₄)________________________0.02%		Loss on drying (130º) ______21.5 -24.0 %
Arsenic __________________________ 0.0001%		Sub. insoluble in water (10% )____ 0.05%

Sodium disulfite ----> see Sodium metabisulfite
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Sodium hydrogen carbonate
Sodium bi carbonate
CAS - No . [144-55-8]
Phy chem. data
CHNaO₃M = 84.01 g / mol
Soluble in water / 20ºC100 g / L

13435	Sodium hydrogen carbonate purified		500	g	pb
			1	kg	pb
Specifications			5	kg	pb
			25	kg	hdp
Assay (NaHCO₃)_____________________99%		Total nitrogen (N) _______________0.002%	50	kg	hdp
Chloride(Cl)________________________0.01%		Heavy metals (as Pb) _____________0.001%
Phosphate (PO₄) __________________0.005%		Iron (Fe) ______________________ 0.001%
Sulfate (SO₄)______________________0.02%		Magnesium (Mg) ________________ 0.005%

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di-Sodium hydrogen phosphate - 2 - hydrate
di-Sodium hydrogen phosphate dihydrate
CAS - No. [10028-24-7]
Phy. chem. data
HNa₂ O₄P.2H₂OM=177.99 g/mol
Soluble in water / 20ºC93 g/L
Melting Range 93 - 97ºC

04273	di-Sodium hydrogen phosphate - 2 - hydrate purified		500	g	pb
			25	kg	pb
Specifications			50	kg	hdp

Assay (Na₂HPO₄.2H₂O)________________99%		Sulfate (SO₄)_________________0.01%
pH-value (2.5% aqueous solution)______8.8-9.4		Heavy metals(as Pb)___________0.002%
Chloride(Cl)________________________0.01%		Iron (Fe)____________________0.002%



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di-Sodium hydrogen phosphate (anhydrous)
Soerensen's buffer substance
Phy. chem. data
CAS - No. [7558-79-4]
HNa₂ O₄PM=141.96 g/mol.
Soluble in water / 20ºC75 g/L
Hygroscopic

04277	di-Sodium hydrogen phosphate (anhydrous)		500	g	pb
	(purified)		25	kg	pb
Specifications			50	kg	hdp

Assay (Na₂HPO₄)_____________________98%		Sulfate(SO₄)__________________0.02%
pH-value (2% aqueous solution)______8.7-9.3		Heavy metals(as Pb)___________0.002%
Chloride(Cl)_______________________0.02%		Iron (Fe)____________________0.002%

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Sodium hydroxide
CAS - No. [1310-73-2]
Phy. chem. data
HNaOM=40.00 g/mol
Soluble in water / 20ºC1090 g/L
Hygroscopic



06209	Sodium hydroxide flakes purified		500	g	pb
			1	kg	pb
Specifications			5	kg	pb
			25	kg	hdp
Identity _________________________Passes test			50	kg	hdp
Assay (NaOH)_________________________97.0%		Sulfate (SO₄)___________________0.05%
Carbonate (as Na₂CO₃) _________________ 2.0%		Heavy metals (as Pb) ___________ 0.002%
Chloride (Cl)__________________________0.02%		Iron (Fe) _____________________ 0.005%

06214	Sodium hydroxide pellets purified		500	g	pb
			2.5	kg	pb
Specifications			5	kg	pb
			25	kg	hdp
Identity__________________________Passes test			50	kg	hdp
Assay (NaOH)_________________________97.0%		Iron (Fe)_____________________0.005%
Carbonate (as Na₂CO₃)__________________2.0%		Sulfate (SO₄)___________________0.01%
Chloride (Cl)__________________________0.02%		Heavy metals(as Pb)____________0.002%

30621	Sodium hydroxide pellets GR		500	g	pb
			5	kg	pb
Specifications			25	kg	hdp
			50	kg	hdp
Assay (NaOH)______________________ min.98.0%
Carbonate (as Na₂CO₃)______________max 1.0%		Ammonium(NH₄)__________max.0.0005%
Water insoluble substances__________max.0.01%		Calcium (Ca)______________max.0.005%
Chloride (Cl)_____________________max.0.005%		Copper (Cu)______________max.0.001%
Nitrate (NO₃)____________________max.0.0005%		Iron (Fe)_________________max.0.001%
Phosphate (PO₄)__________________max.0.02%		Lead (Pb)________________max.0.001%
Silicate (SiO₂)_____________________max.0.01%		Magnesium(Mg)__________max.0.0005%
Sulfate (SO₄)____________________max.0.005%		Nickel (Ni)________________max.0.001%
Aluminium (Al)____________________max.0.002%		Potassium (K)______________max.0.05%
Arsenic (As)___________________max.0.00005%		Zinc (Zn)_________________max.0.001%

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Sodium hypochlorite
CAS - No. [7681-52-9]
Phy. chem. data
NaOClM=74.44 g/mol
Soluble in cold water



13441	Sodium hypochlorite solution		500	ml	pb
	(approximately 4% w/v available chlorine)		1	lit	pb
Specifications			5	lit	pjc
			25	lit	hdl
Assay (Iodometric)_________4.8% w/v available
chlorine at the time of packing

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Sodium metabisulfite
Sodium disulfite, sodium pyro sulfite
CAS - No. [7681-57-4]
Phy. chem. data
Na₂0₅S₂ M=190.10 g/mol
Soluble in water / 20ºC640 g/L
Thermal decomposition 150ºC



13460	Sodium meta bi sulfite purified		500	g	pb
			1	kg	pb
Specifications			5	kg	pb
			25	kg	hdp
Assay (Na₂S₂O₅)______________________90%			50	kg	hdp
Chloride (Cl)_________________________0.1%		Lead (Pb)______________________0.005%
Lead (Pb)_________________________0.005%		Iron (Fe)_______________________0.005%

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Sodium nitrate
CAS - No. [7631-99-4]
Phy. chem. data
NNaO₃M=84.99 g/mol
Soluble in water / 20ºC880 g/L
Thermal decomposition above 380ºC



13445	Sodium nitrate purified		500	g	pb
			5	kg	pb
Specifications			25	kg	hdp
			50	kg	hdp
Assay (NaNO₃)_________________________99%		Heavy metals(as Pb)_____________0.005%
Chloride (Cl)_________________________0.005%		Iron(Fe)_______________________0.005%
Sulfate (SO₄)_________________________0.01%		Potassium (K)___________________0.01%

Bulk Quantities - Prices on request
For Exports - Price in US $ on request

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