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Safety Information

1.06591

Supelco

tetra-Sodium diphosphate decahydrate

for analysis EMSURE® ACS,Reag. Ph Eur

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
Na4O7P2 · 10H2O
CAS Number:
Molecular Weight:
446.06
MDL number:
UNSPSC Code:
12352302
EC Index Number:
231-767-1
NACRES:
NA.21

grade

ACS reagent

Quality Level

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 (PO43-): ≤0.1%
sulfate (SO42-): ≤0.005%

cation traces

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

storage temp.

2-30°C

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

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Linkage

Replaces: SX0740-1

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

Legal Information

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

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

IN21065915000:
1065912500:
IN2R1065919050:
IN21065910500:
1065910000:
1065910500:
1065919050:


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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