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177970

Sigma-Aldrich

Pyridine-d5

"100%", ≥99.96 atom % D

Synonym(s):

Pentadeuteropyridine

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About This Item

Empirical Formula (Hill Notation):
C5D5N
CAS Number:
7291-22-7
Molecular Weight:
84.13
Beilstein:
114377
EC Number:
230-720-2
MDL number:
MFCD00044639
UNSPSC Code:
12142201
eCl@ss:
39151701
PubChem Substance ID:
24850705
NACRES:
NA.11

Quality Level

200

isotopic purity

≥99.96 atom % D

Assay

≥99% (CP)

form

liquid

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

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General description

Pyridine-d5 is a deuterated form of pyridine having an isotopic purity of 99.96atom%D. It is 100% isotopically enriched NMR (Nuclear Magnetic Resonance) solvent. It is widely employed for high resolution NMR studies due to its high chemical and isotopic purity. The reaction between pyridine vapor and heavy water in the presence of a palladium catalyst has been reported to afford pyridine-d5. Infrared (IR), Raman (in the range 300-4000cm-1) and high-resolution (0.06cm-1) FT-IR (Fourier transform infrared) spectral studies of pyridine-d5 have been reported.

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accessory

Product No.
Description
Pricing

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

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 Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

62.6 °F

Flash Point(C)

17 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Vibrational spectra of C2v deuterium substituted pyridines. 4-pyridine-2, 3, 5, 6-d4 and pyridine-d5.
Stidham HD and Dilella DP.
Journal of Raman Spectroscopy, 9(4), 247-256 (1980)
The FT-IR spectra of pyridine and pyridine-d51.
Wong KN and Colson SD.
Journal of Molecular Spectroscopy, 104(1), 129-151 (1984)
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