Skip to Content
Merck
CN
All Photos(1)

Documents

1.06578

Supelco

tri-Sodium phosphate dodecahydrate

for analysis EMSURE® ACS,Reag. Ph Eur

Sign Into View Organizational & Contract Pricing
All Photos(1)
Synonym(s):
tri-Sodium phosphate dodecahydrate, Sodium phosphate tribasic, Trisodium phosphate
Empirical Formula (Hill Notation):
Na3O4P · 12H2O
CAS Number:
10101-89-0
Molecular Weight:
380.12
MDL number:
MFCD00149198
UNSPSC Code:
12352302
EC Index Number:
231-509-8
NACRES:
NA.21

grade

ACS reagent

Quality Level

300

Agency

reag. Ph. Eur.

product line

EMSURE®

Assay

98.0-102.0% (alkalimetric)

form

crystals

potency

7400 mg/kg LD50, oral (Rat)

impurities

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

pH

12 (20 °C, 10 g/L in H2O)

mp

75 °C (Elimination of water of crystallisation)

solubility

285 g/L

density

1.62 g/cm3 at 20 °C

bulk density

950 kg/m3

anion traces

chloride (Cl-): ≤0.0005%
fluoride (F-): ≤0.0005%
sulfate (SO42-): ≤0.005%

cation traces

Fe: ≤0.001%
excess alkali (as NaOH): ≤2.5%
heavy metals (as Pb): ≤0.001%

storage temp.

2-30°C

InChI

1S/3Na.H3O4P.12H2O/c;;;1-5(2,3)4;;;;;;;;;;;;/h;;;(H3,1,2,3,4);12*1H2/q3*+1;;;;;;;;;;;;;/p-3

InChI key

ASTWEMOBIXQPPV-UHFFFAOYSA-K

Looking for similar products? Visit Product Comparison Guide

Related Categories

Analysis Note

Assay (alkalimetric): 98.0 - 102.0 %
Insoluble matter: ≤ 0.01 %
excess alkali (as NaOH): ≤ 2.5 %
Chloride (Cl): ≤ 0.0005 %
Fluoride (F): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.001 %
Fe (Iron): ≤ 0.001 %
Corresponds to ACS, Reag. Ph Eur

Legal Information

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

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315 - H319 - H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Articles

Analytical Method: Urea in Water and Wastewater, Enzymatic Determination

Urea in water and wastewater, enzymatic determination - Photometric determination using the indophenol blue method after cleavage of the urea

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service