Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

71505

Sigma-Aldrich

Sodium phosphate monobasic dihydrate

BioUltra, for molecular biology, ≥99.0% (T)

Synonym(s):

Sodium dihydrogen phosphate dihydrate

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
NaH2PO4 · 2H2O
CAS Number:
13472-35-0
Molecular Weight:
156.01
EC Number:
231-449-2
MDL number:
MFCD00149209
UNSPSC Code:
12161700
PubChem Substance ID:
57652311
NACRES:
NA.21

grade

for molecular biology

Quality Level

200

product line

BioUltra

Assay

≥99.0% (T)

form

powder or crystals

impurities

DNases, none detected
 RNases, none detected
 insoluble matter, passes filter test
 phosphatases, none detected
 proteases, none detected

pH

4.0-4.5 (25 °C, 1 M in H2O)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.2 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤200 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: 0.085
λ: 280 nm Amax: 0.070

application(s)

diagnostic assay manufacturing

SMILES string

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

InChI

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

InChI key

VBJGJHBYWREJQD-UHFFFAOYSA-M

Looking for similar products? Visit Product Comparison Guide

Related Categories

Application

Sodium phosphate monobasic dehydrate has been used in the preparation of the phosphate buffer solution and SCCP solution. It has also been used in the preparation of stop buffer.

Other Notes

Gel electrophoresis - running buffer component for denaturing gels containing formamide

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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

In vitro assay to determine SUMOylation sites on protein substrates
McManus F P, et al.
Nature Protocols, 11(2), 387-387 (2016)
3D FISH to analyse gene domain-specific chromatin re-modeling in human cancer cell lines
Kocanova S, et al.
Methods (2018)
Gold nanoparticle/nickel oxide/poly (pyrrole-N-propionic acid) hybrid multilayer film: Electrochemical study and its application in biosensing
Karazehir T, et al.
Express Polymer Letters, 11(6), 449-449 (2017)
R.C. Ogden et al.
Methods in Enzymology, 152, 66-66 (1987)
L Escuder-Gilabert et al.
Journal of chromatography. A, 1363, 331-337 (2014-07-22)
The design of experiments (DOE) is a good option for rationally limiting the number of experiments required to achieve the enantioresolution (Rs) of a chiral compound in capillary electrophoresis. In some cases, the modeled Rs after DOE analysis can be
View All Related Papers

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