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Merck
CN

532975

Pyridine-d5

≥99.5 atom % D

Synonym(s):

Pentadeuteropyridine

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About This Item

Empirical Formula (Hill Notation):
C5D5N
CAS Number:
Molecular Weight:
84.13
NACRES:
NA.11
PubChem Substance ID:
eCl@ss:
39151701
UNSPSC Code:
12142201
EC Number:
230-720-2
MDL number:
Beilstein/REAXYS Number:
114377
Isotopic purity:
≥99.5 atom % D
Assay:
≥99% (CP)
Mass shift:
M+5
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isotopic purity

≥99.5 atom % D

Quality Level

assay

≥99% (CP)

expl. lim.

0.34-6.3 % (lit.)

technique(s)

NMR: suitable

impurities

≤0.05% water
water

refractive index

n20/D 1.506 (lit.)

pH

8.5 (0.2 g/L)

bp

114.4 °C (lit.)

mp

-41 °C (lit.)

density

1.05 g/mL at 25 °C (lit.)

mass shift

M+5

SMILES string

[2H]c1nc([2H])c([2H])c([2H])c1[2H]

InChI

1S/C5H5N/c1-2-4-6-5-3-1/h1-5H/i1D,2D,3D,4D,5D

InChI key

JUJWROOIHBZHMG-RALIUCGRSA-N

General description

Pyridine-d5 is a deuterated NMR solvent useful in NMR-based research and analyses. It has been synthesized by palladium catalyzed H/D (hydrogen/deuterium) exchange reaction between pyridine vapor and heavy water. Infrared and Raman spectra of pyridine-d5 have been recorded in the range 300–4000cm-1.

Application

Pyridine-d5 may be used as a solvent in the 1H NMR based structural analysis of lignin acetates obtained from spruce and birch.

Other Notes

Check out ChemisTwin®, our brand new online portal for identity confirmation and quantification of NMR spectra. Learn more or reach out to us for a free trial.


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pictograms

FlameExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

62.6 °F

flash_point_c

17 °C

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品
美国出口管控产品

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Articles

Use this reference table to find the coupling values and chemical shifts of our NMR (deuterated) solvents. Melting and boiling points, molecular weight, density, and CAS number are also listed.

Related Content


Adam H Turner et al.
Physical chemistry chemical physics : PCCP, 22(18), 10219-10226 (2020-05-01)
Aromatic cation ionic liquids (ILs) based on alkylpyridiniums are shown to be good phenol extractants from model oils (hexane/toluene). ILs with hard basic anions are found to have best extraction efficiency consistent with tetraalkylammonium salts ([NR4]X). Key extraction interactions were
NMR studies of lignins. 8. Examination of pyridine-d5 solutions of acetylated lignins from birch and spruce by 1H NMR spectroscopy.
Lundquist K and Von Unge S.
Acta Chemica Scandinavica. Series B, 40, 791-797 (1986)
Xu Pang et al.
Steroids, 93, 68-76 (2014-12-03)
For the first time, a systematic phytochemical study was performed on the roots of Marsdenia tenacissima. Finally, sixteen new polyoxypregnane glycosides, marstenacissides A1-A7 (1-7) and marstenacissides B1-B9 (8-16), were isolated from M. tenacissima roots. The structures of these new compounds



Global Trade Item Number

SKUGTIN
532975-10X0.6ML04061832559070
532975-10G04061837649875
532975-10X0.5ML04061832559063
532975-5X10G-N04061837649882
532975-10X1ML04061837615467
532975-25G04061832559087
532975-10X1G-N04061837615450