Skip to Content
Merck
All Photos(5)

Documents

S2429

Sigma-Aldrich

Sodium phosphate dibasic heptahydrate

meets USP testing specifications

Synonym(s):

Disodium hydrogen phosphate heptahydrate, Disodium phosphate

Sign Into View Organizational & Contract Pricing
All Photos(5)

About This Item

Linear Formula:
Na2HPO4 · 7H2O
CAS Number:
7782-85-6
Molecular Weight:
268.07
EC Number:
237-707-0
MDL number:
MFCD00149180
UNSPSC Code:
12161700
PubChem Substance ID:
329824521
NACRES:
NA.25

Agency

meets USP testing specifications

Quality Level

300

vapor density

4.9 (vs air)

Assay

98.0-100.5% dry basis

form

powder, crystals or chunks

pH

9.0-9.3 (25 °C, 50 g/L)

solubility

water: ~35.8 g/L at 20 °C

density

1.68 g/mL at 25 °C (lit.)

application(s)

pharmaceutical (small molecule)

SMILES string

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

InChI

1S/2Na.H3O4P.7H2O/c;;1-5(2,3)4;;;;;;;/h;;(H3,1,2,3,4);7*1H2/q2*+1;;;;;;;;/p-2

InChI key

PYLIXCKOHOHGKQ-UHFFFAOYSA-L

Looking for similar products? Visit Product Comparison Guide

related product

Product No.
Description
Pricing

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

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
0000399841
0000399842
0000399843
0000397229
0000295019

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

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

Visit the Document Library

Matthew H Crouthamel et al.
Arteriosclerosis, thrombosis, and vascular biology, 33(11), 2625-2632 (2013-08-24)
Elevated serum phosphate has emerged as a major risk factor for vascular calcification. The sodium-dependent phosphate cotransporter, PiT-1, was previously shown to be required for phosphate-induced osteogenic differentiation and calcification of cultured human vascular smooth muscle cells (VSMCs), but its
M A Marzouk et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 114, 658-667 (2013-07-03)
The effects of gamma irradiation on spectral properties of Cr2O3-doped phosphate glasses of three varieties, namely sodium metaphosphate, lead metaphosphate and zinc metaphosphate have been investigated. Optical spectra of the undoped samples reveal strong UV absorption bands which are attributed
Walter Grünberg et al.
The British journal of nutrition, 110(6), 1012-1023 (2013-04-03)
Hypophosphataemia is frequently encountered in dairy cows during early lactation. Although supplementation of P is generally recommended, controversy exists over the suitability of oral P supplementation in animals with decreased or absent rumen motility. Since the effects of transruminal P
H Meredith et al.
International journal of food microbiology, 166(2), 309-315 (2013-08-27)
Campylobacteriosis is the most common foodborne bacterial infection in developed countries and many cases are associated with poultry. This study investigated the immediate and storage effect of dipping inoculated poultry skin samples in trisodium phosphate (TSP, 10 & 14%, w/v)
Samuel Adler et al.
Gastrointestinal endoscopy, 76(6), 1170-1174 (2012-10-03)
Colon capsule endoscopy (CCE) is a noninvasive technique for the detection of colorectal lesions. However, for CCE to be offered as an out-of-clinic procedure, the system needs to automatically alert the patient when to ingest the laxative (booster). We tested
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