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About This Item

Linear Formula:
NaH2PO4 · H2O
CAS Number:
10049-21-5
Molecular Weight:
137.99
MDL number:
MFCD00149208
UNSPSC Code:
12352302
NACRES:
NA.25
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grade

Molecular Biology

Quality Level

100

description

Merck USA index - 14, 8660

Assay

≥99% (titration)

form

crystalline solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze
desiccated (hygroscopic)

color

white

pKa (20 °C)

7.21

solubility

water: 14 mg/mL

cation traces

heavy metals: ≤0.001%
heavy metals (as Pb): ≤0.001%

absorption

≤0.01 at 260 nm
≤0.01 at 280 nm

foreign activity

DNases, proteases, RNases, none detected

shipped in

ambient

storage temp.

10-30°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

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General description

Useful in conjuction with sodium phosphate, dibasic (Cat. No. 567550) in the preparation of biological buffers(absorbance: ≤0.01 at 260 nm and 280 nm).
Useful in conjunction with Sodium Phosphate, Dibasic (Cat. No. 567550 or 567547) in the preparation of biological buffers.

Preparation Note

Following reconstitution, store at room temperature. Stock solutions are stable for up to 6 months at room temperature.

Legal Information

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

Disclaimer

Toxicity: Standard Handling (A)

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’.

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