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02486

Pyridine

analytical standard

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Pack SizeSKUAvailabilityPrice
1 mL
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CZK 1,570.00

About This Item

Empirical Formula (Hill Notation):
C5H5N
CAS Number:
110-86-1
Molecular Weight:
79.10
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329747447
EC Number:
203-809-9
Beilstein/REAXYS Number:
103233
MDL number:
MFCD00011732

CZK 1,570.00

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grade

analytical standard

Quality Level

100

vapor density

2.72 (vs air)

vapor pressure

10 mmHg ( 13.2 °C), 20 mmHg ( 25 °C)

assay

≥99.9% (GC)

autoignition temp.

899 °F

shelf life

limited shelf life, expiry date on the label

expl. lim.

12.4 %

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

refractive index

n20/D 1.509 (lit.), n20/D 1.510

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1 of 1

This Item
PHR1558360570494410
Pyridine analytical standard

Supelco

02486

Pyridine

Pyridine Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR1558

Pyridine

Pyridine ACS reagent, ≥99.0%

Sigma-Aldrich

360570

Pyridine

Pyridine biotech. grade, ≥99.9%

Sigma-Aldrich

494410

Pyridine

grade

analytical standard

grade

certified reference material, pharmaceutical secondary standard

grade

ACS reagent

grade

biotech. grade

application(s)

cleaning products
cosmetics
environmental
flavors and fragrances
food and beverages
personal care

application(s)

pharmaceutical (small molecule)

application(s)

-

application(s)

-

format

neat

format

neat

format

-

format

-

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

technique(s)

-

technique(s)

-

assay

≥99.9% (GC)

assay

-

assay

≥99.0%

assay

≥99.9%

vapor density

2.72 (vs air)

vapor density

2.72 (vs air)

vapor density

2.72 (vs air)

vapor density

2.72 (vs air)

General description

Pyridine is a heterocyclic compound[1] and a toxic chemical, which is widely used as a solvent and intermediate in the production of dyes, rubber products, paints, textile water repellents, agricultural chemicals, chemical laboratories, manufacturing of piperidine, etc. It plays an important role in the sensory properties of cigarette smoke and exists as a volatile component in certain food products.

Application

Pyridine may be used as an analytical reference standard for the quantification of the analyte in cigarette smoke using reversed-phase liquid chromatography/electrospray ionization tandem mass spectrometry (RP-HPLC–ESI-MS/MS).

pictograms

FlameExclamation mark
GHS02,GHS07

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

68.0 °F - closed cup

flash_point_c

20 °C - closed cup

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM0335
BCCH2955
BCCC0955
BCBT9778
BCBT7340

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Determination of pyridine, 2-picoline, 4-picoline and quinoline from mainstream cigarette smoke by solid-phase extraction liquid chromatography/electrospray ionization tandem mass spectrometry
Saha S, et al.
Journal of Chromatography A, 1217(3), 307-311 (2010)
Total syntheses of complanadines A and B.
Le Zhao et al.
Angewandte Chemie (International ed. in English), 52(6), 1722-1725 (2013-01-03)
Nathalie Ségaud et al.
Inorganic chemistry, 52(2), 691-700 (2013-01-11)
We report the synthesis, characterization, and solution chemistry of a series of new Fe(II) complexes based on the tetradentate ligand N-methyl-N,N'-bis(2-pyridyl-methyl)-1,2-diaminoethane or the pentadentate ones N,N',N'-tris(2-pyridyl-methyl)-1,2-diaminoethane and N,N',N'-tris(2-pyridyl-methyl)-1,3-diaminopropane, modified by propynyl or methoxyphenyltriazolyl groups on the amino functions. Six of
Bobby Happ et al.
Chemical Society reviews, 41(6), 2222-2255 (2011-11-15)
Pyridine-based ligands, such as 2,2'-bipyridine and 1,10-phenanthroline, have gained much interest in the fields of supramolecular chemistry as well as materials science. The appealing optoelectronic properties of their complexes with heavy d(6) transition metal ions, such as Ru(ii), Os(II), Re(I)
Ye Wei et al.
Journal of the American Chemical Society, 135(10), 3756-3759 (2013-02-27)
We describe here a [3+3]-type condensation reaction of O-acetyl ketoximes and α,β-unsaturated aldehydes that is synergistically catalyzed by a copper(I) salt and a secondary ammonium salt (or amine). This redox-neutral reaction allows modular synthesis of a variety of substituted pyridines
View All Related Papers

Global Trade Item Number

SKUGTIN
157163-10G04061838743237
02486-1ML04061838617569

Questions

1–2 of 2 Questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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