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
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
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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
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Adam H Turner et al.
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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)
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