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S7778

Sigma-Aldrich

Sodium phosphate tribasic dodecahydrate

BioXtra, ≥98.0% (titration)

Synonym(s):
Trisodium phosphate (tert) dodecahydrate, TSP, Trisodium phosphate dodecahydrate
Linear Formula:
Na3PO4 · 12H2O
CAS Number:
Molecular Weight:
380.12
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

Quality Level

product line

BioXtra

assay

≥98.0% (titration)

form

powder

impurities

Insoluble matter, passes filter test
≤3% Free alkali (as NaOH)

pH

~13.0 (20 °C, 0.5 M in water)

solubility

H2O: 0.5 M at 20 °C, clear, colorless

density

1.62 g/mL at 25 °C

anion traces

chloride (Cl-): ≤0.005%
sulfate (SO42-): ≤0.005%

cation traces

Al: ≤0.0005%
Ba: ≤0.0005%
Bi: ≤0.0005%
Ca: ≤0.001%
Cd: ≤0.0005%
Co: ≤0.0005%
Cr: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Li: ≤0.0005%
Mg: ≤0.0005%
Mn: ≤0.0005%
Mo: ≤0.0005%
Ni: ≤0.0005%
Pb: ≤0.0005%
Sr: ≤0.0005%
Zn: ≤0.0005%

absorption

≤0.023 at 280 in H2O at 0.5 M
≤0.035 at 260 in H2O at 0.5 M

application(s)

diagnostic assay manufacturing

SMILES string

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

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

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Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Certificate of Origin

Gisela Ferraro et al.
Journal of experimental botany, 66(11), 3381-3389 (2015-04-17)
Glutamate (Glu) is a taste enhancer that contributes to the characteristic flavour of foods. In fruit of tomato (Solanum lycopersicum L.), the Glu content increases dramatically during the ripening process, becoming the most abundant free amino acid when the fruit
Joshua C Cheng et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 35(26), 9689-9700 (2015-07-03)
Temporal summation of pain (TSP), the perception of increasingly greater pain evoked by repetitive noxious stimuli, is highly variable between individuals. Individuals with facilitated pain processing and/or reduced pain-modulatory capabilities are regarded as pronociceptive, whereas individuals with reduced pain processing
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Santosh Lamichhane et al.
Analytical chemistry, 87(12), 5930-5937 (2015-05-20)
Metabolomic analyses of fecal material are gaining increasing attention because the gut microbial ecology and activity have an impact on the human phenotype and regulate host metabolism. Sample preparation is a crucial step, and in this study, we recommend a
Jie Mu et al.
Seizure, 23(7), 553-559 (2014-05-24)
To evaluate the value of magnetoencephalography (MEG) source localization in localization of epileptic activities and predicting surgical outcome in frontal lobe epilepsies (FLE). Forty-six patients with presurgical MEG evaluation and intractable FLE surgery (28 male patients) were analyzed retrospectively with

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