MilliporeSigma
All Photos(2)

1.06346

Supelco

Sodium dihydrogen phosphate monohydrate

for analysis EMSURE® ACS,Reag. Ph Eur

Synonym(s):
Sodium phosphate monobasic monohydrate, Monosodium phosphate, Sodium dihydrogen phosphate monohydrate
Linear Formula:
NaH2PO4 · H2O
CAS Number:
Molecular Weight:
137.99
MDL number:
EC Index Number:
231-449-2

grade

ACS reagent

Quality Level

Agency

reag. Ph. Eur.

product line

EMSURE®

Assay

99.0-102.0% (alkalimetric)

form

crystals

potency

>2000 mg/kg LD50, oral (Rat)
>7940 mg/kg LD50, skin (Rabbit)

impurities

≤0.01% Insoluble matter

pH

4.1-4.5 (25 °C, 50 g/L in H2O)

solubility

850 g/L

density

2.04 g/cm3 at 20 °C

bulk density

880 kg/m3

anion traces

chloride (Cl-): ≤0.0005%
sulfate (SO42-): ≤0.003%

cation traces

Ca: ≤0.005%
Fe: ≤0.0005%
K: ≤0.005%
N: ≤0.001%
heavy metals: ≤0.0005%

UV absorption

λ: 280 nm Amax: ≤0.05

storage temp.

2-30°C

SMILES string

[Na+].[H]O[H].OP(O)([O-])=O

InChI

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

InChI key

BBMHARZCALWXSL-UHFFFAOYSA-M

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
1.93224715041.06349
assay

99.0-102.0% (alkalimetric)

assay

-

assay

≥99.0% (T)

assay

-

form

crystals

form

-

form

crystals

form

solid

impurities

≤0.01% Insoluble matter

impurities

-

impurities

≤0.001% total nitrogen (N), ≤0.01% insoluble matter

impurities

-

pH

4.1-4.5 (25 °C, 50 g/L in H2O)

pH

-

pH

4.1-4.5 (25 °C, 50 mg/mL in H2O)

pH

4.1-4.5 (25 °C, 50 g/L in H2O)

solubility

850 g/L

solubility

-

solubility

-

solubility

850 g/L

Linkage

Replaces: SX0709; SX0709-5; SX0710; SX0710-1; SX0710-3; SX0710-5; SX0710-20

Analysis Note

Assay (alkalimetric): 99.0 - 102.0 %
Insoluble matter: ≤ 0.01 %
pH-value (5 %; water, 25 °C): 4.1 - 4.5
UV absorption (280 nm; 1 mol/l; 1 cm; water): ≤ 0.05
Chloride (Cl): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.003 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (ACS): ≤ 0.0005 %
Ca (Calcium): ≤ 0.005 %
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

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

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?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (Example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Antonia E Schantl et al.
Nature communications, 11(1), 721-721 (2020-02-07)
Myo-inositol hexakisphosphate (IP6) is a natural product known to inhibit vascular calcification (VC), but with limited potency and low plasma exposure following bolus administration. Here we report the design of a series of inositol phosphate analogs as crystallization inhibitors, among

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

Analysis of Drugs of Abuse in Urine After Cleanup with HLB Solid Phase Extraction 96-well Plates

This article validates the ability to perform cleanup of urine samples using HLB solid-phase extraction (SPE) for the analysis of opioids via tandem mass spectrometry (LC-MS/MS) after cleanup with the Supel™ Swift HLB 96-well plate.

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