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63080

Sigma-Aldrich

Magnesium phosphate dibasic trihydrate

BioUltra, ≥98.0% (KT)

Synonym(s):

Magnesium hydrogen phosphate trihydrate, Newberyite

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About This Item

Linear Formula:
MgHPO4 · 3H2O
CAS Number:
7782-75-4
Molecular Weight:
174.33
EC Number:
233-142-9
MDL number:
MFCD00150390
UNSPSC Code:
12161700
PubChem Substance ID:
329759773
NACRES:
NA.25
Assay:
≥98.0% (KT)
solubility:
5 M HCl: 0.1 M at 20 °C, clear, colorless
Pricing and availability is not currently available.

product line

BioUltra

Quality Level

200

Assay

≥98.0% (KT)

impurities

insoluble matter, passes filter test

loss

~34% loss on ignition, 800 °C

solubility

5 M HCl: 0.1 M at 20 °C, clear, colorless

density

2.123 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤500 mg/kg

cation traces

Al: ≤100 mg/kg
As: ≤0.2 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤2000 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤50 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤500 mg/kg
Ni: ≤50 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

0.1 M in 5 M HCl

UV absorption

λ: 260 nm Amax: 0.035
λ: 280 nm Amax: 0.035

SMILES string

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

InChI

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

InChI key

OKIWLDVQGKRUNR-UHFFFAOYSA-L

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Application

Magnesium hydrogen phosphate trihydrate (Newberyite), a biodegradable cave mineral, may be used to study its physical and reactive chemistries.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCJ4033
BCCG8737
BCCF4296
BCCF4295
BCCD2724

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Vesna Babić-Ivancić et al.
Water research, 40(18), 3447-3455 (2006-09-19)
The influence of the initial reactant concentrations on the composition of the solid phases formed in the precipitation system MgCl(2)-NH(4)H(2)PO(4)-NaOH-H(2)O was investigated. The precipitation diagram constructed shows the approximate concentration regions within which struvite, newberyite, and their mixtures exist at
Jasminka Kontrec et al.
Collegium antropologicum, 29(1), 289-294 (2005-08-25)
The influence of the initial reactant concentrations (c(i)(Mg)tot = 5.0 x 10(6) to 5.0 x 10(-1) mol dm(-3), c(i)(P)tot = c(i)(NH4)tot = 1.0 x 10(-3) to 5.0 x 10(-1) mol dm(-3)) and temperature (25 and 37 degrees C) on the
Raman spectroscopy of newberyite Mg(PO3OH)?3H2O: a cave mineral.
Frost RL, Palmer SJ, Pogson RE.
Spectrochimica Acta Part A: Molecular Spectroscopy, 79, 1149-1153 (2011)

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