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tetra-Sodium diphosphate decahydrate

Name: tetra-Sodium diphosphate decahydrate
Brand: MM
Price: 326 PLN

for analysis EMSURE^® ACS,Reag. Ph Eur

Synonym(s):

tetra-Sodium diphosphate decahydrate, tetra-Sodium pyrophosphate, TSPP

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Size/SKU	Availability	Price
500 g	Please contact Customer Service for Availability	PLN 326.00
2.5 kg	Please contact Customer Service for Availability	PLN 1,000.00
50 kg	Please contact Customer Service for Availability	PLN 16,270.00

About This Item

Empirical Formula (Hill Notation):

Na₄O₇P₂ · 10H₂O

CAS Number:

13472-36-1

Molecular Weight:

446.06

UNSPSC Code:

12352302

EC Index Number:

231-767-1

NACRES:

NA.21

MDL number:

MFCD00149200

Assay:

99.0-103.0% (acidimetric)

Grade:

ACS reagent

Form:

solid

PLN 326.00

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Packaging: HDPE bottle

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Properties

grade

ACS reagent

Quality Segment

300

agency

reag. Ph. Eur.

product line

EMSURE^®

assay

99.0-103.0% (acidimetric)

form

solid

impurities

≤0.001% Total nitrogen (N), ≤0.01% Insoluble matter

pH

9.5-10.5 (20 °C, 50 g/L in H₂O)

mp

988 °C (anhydrous substance)

density

1.82 g/cm³ at 20 °C

bulk density

650 kg/m³

anion traces

chloride (Cl^-): ≤0.001%, phosphate (PO₄^3-): ≤0.1%, sulfate (SO₄^2-): ≤0.005%

cation traces

Fe: ≤0.0005%, K: ≤0.005%, heavy metals (as Pb): ≤0.0005%

storage temp.

2-30°C

SMILES string

[Na+].[Na+].[Na+].[Na+].[P](=O)([O-])([O-])O[P](=O)([O-])[O-].O.O.O.O.O.O.O.O.O.O

InChI

1S/4Na.H4O7P2.10H2O/c;;;;1-8(2,3)7-9(4,5)6;;;;;;;;;;/h;;;;(H2,1,2,3)(H2,4,5,6);10*1H2/q4*+1;;;;;;;;;;;/p-4

InChI key

VZWGHDYJGOMEKT-UHFFFAOYSA-J

Description

Analysis Note

Assay (acidimetric): 99.0 - 103.0 %
Insoluble matter: ≤ 0.01 %
pH-value (5 %; water, 25 °C): 9.5 - 10.5
Chloride (Cl): ≤ 0.001 %
Orthophosphate (PO4): ≤ 0.1 %
Sulfate (SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.005 %
Corresponds to ACS, Reag. Ph Eur

Other Notes

Replaces: SX0740-1

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

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1 of 1

This Item	S6422	221368	71515
Supelco 1.06591 tetra-Sodium diphosphate decahydrate	Sigma-Aldrich S6422 Sodium pyrophosphate tetrabasic decahydrate	Sigma-Aldrich 221368 Sodium pyrophosphate decahydrate	Sigma-Aldrich 71515 Sodium pyrophosphate tetrabasic decahydrate
form solid	form powder	form crystals or chunks	form crystals
assay 99.0-103.0% (acidimetric)	assay 99.0-103.0%	assay ≥99%	assay ≥99.5% (T)
Quality Level 300	Quality Level 200	Quality Level 200	Quality Level 200
grade ACS reagent	grade -	grade ACS reagent	grade -
pH 9.5-10.5 (20 °C, 50 g/L in H₂O)	pH 9.5-10.5 (20 °C, 50 g/L)	pH 9.5-10.5 (25 °C, 5%)	pH 9.5-11.0 (25 °C, 0.1 M in H₂O)
anion traces chloride (Cl^-): ≤0.001%, sulfate (SO₄^2-): ≤0.005%, phosphate (PO₄^3-): ≤0.1%	anion traces chloride (Cl^-): ≤0.002%, sulfate (SO₄^2-): ≤0.005%	anion traces chloride (Cl^-): ≤0.002%, sulfate (SO₄^2-): ≤0.005%	anion traces chloride (Cl^-): ≤50 mg/kg, sulfate (SO₄^2-): ≤50 mg/kg

pictograms

GHS05,GHS07

signalword

Danger

hcodes

H302,H318

pcodes

P264 - P270 - P280 - P301 + P312 - P305 + P351 + P338 - P501

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

flash_point_f

Not applicable

flash_point_c