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142387

2,4,6-Trimethylpyridine

99%, liquid, ReagentPlus®

Synonym(s):

2,4,6-Collidine, sym-Collidine

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5 mL
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$32.70
100 mL
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$131.00
500 mL
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$602.00
1 L
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$914.00

About This Item

Empirical Formula (Hill Notation):
C8H11N
CAS Number:
108-75-8
Molecular Weight:
121.18
NACRES:
NA.21
PubChem Substance ID:
57647138
UNSPSC Code:
12352100
EC Number:
203-613-3
MDL number:
MFCD00006338
Beilstein/REAXYS Number:
107283
Assay:
99%
Form:
liquid

$32.70

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Product Name

2,4,6-Trimethylpyridine, ReagentPlus®, 99%

Quality Segment

200

product line

ReagentPlus®

assay

99%

form

liquid

refractive index

n20/D 1.498 (lit.)

bp

171-172 °C (lit.)

mp

−43 °C (lit.)

density

0.917 g/mL at 25 °C (lit.)

SMILES string

Cc1cc(C)nc(C)c1

InChI

1S/C8H11N/c1-6-4-7(2)9-8(3)5-6/h4-5H,1-3H3

InChI key

BWZVCCNYKMEVEX-UHFFFAOYSA-N

General description

2,4,6-Trimethylpyridine is a pyridine derivative. It has a pK of 7.4.[1] The product can react with trifluoroiodomethane in cyclopentane solution to afford 1:1 complex. This complex was investigated by NMR (Nuclear Magnetic Resonance) spectroscopy. Collidine-buffered osmium tetroxide solutions have been prepared by adding osmium tetroxide solution to it. These solutions have been used as fixative for electron microscopic studies.[1]
2,4,6-Trimethylpyridine can undergo oxidation with potassium permanganate to form 2,4,6-pyridinetricarboxylic acid.
Hindered base.

Application

2,4,6-Trimethylpyridine (collidine, s-collidine, 2,4,6-collidine) has been used in the preparation of a library of N-acyl aminocoumarins bearing low-molecular-weight N-acyl groups.[2]
Tissue fixative for electron microscopy.
Useful solvent for the cleavage of hindered esters by anhydrous lithium iodide.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

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This Item
276908.2226728612
2,4,6-Trimethylpyridine ReagentPlus®, 99%

Sigma-Aldrich

142387

2,4,6-Trimethylpyridine

2,4,6-Trimethylpyridine puriss. p.a., 99% (GC)

Sigma-Aldrich

27690

2,4,6-Trimethylpyridine

2,4,6-Trimethylpyridine for synthesis

Sigma-Aldrich

8.22267

2,4,6-Trimethylpyridine

Trihexyltetradecylphosphonium bis(2,4,4-trimethylpentyl)phosphinate ≥90.0%

Sigma-Aldrich

28612

Trihexyltetradecylphosphonium bis(2,4,4-trimethylpentyl)phosphinate

assay

99%

assay

99% (GC)

assay

≥98.0% (GC)

assay

≥90.0%

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

100

bp

171-172 °C (lit.)

bp

171-172 °C (lit.)

bp

170-172 °C/1013 hPa

bp

-

form

liquid

form

liquid

form

liquid

form

liquid

mp

−43 °C (lit.)

mp

−43 °C (lit.)

mp

-43 °C

mp

-

refractive index

n20/D 1.498 (lit.)

refractive index

n20/D 1.498

refractive index

-

refractive index

-

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pictograms

FlameSkull and crossbones
GHS02,GHS06

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

131.0 °F - closed cup

flash_point_c

55 °C - closed cup

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
SHBT7291
SHBT7296
SHBT1804
BCCK8709
BCCM5694

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Synthesis, structure, photoluminescence and magnetic properties of new 3-D lanthanide-pyridine-2, 4, 6-tricarboxylate frameworks
Li C-J, et al.
CrystEngComm, 10(11), 1645-1652 (2008)
Andrew W Patterson et al.
Nature protocols, 2(2), 424-433 (2007-04-05)
Substrate activity screening (SAS) is a fragment-based method for the rapid development of novel substrates and their conversion into non-peptidic inhibitors of Cys and Ser proteases. The method consists of three steps: (i) a library of N-acyl aminocoumarins with diverse
Janet E Del Bene et al.
The journal of physical chemistry. A, 110(3), 1128-1133 (2006-01-20)
Ab initio EOM-CCSD calculations have been performed on 3:1 FH:NH3 complexes at their own optimized MP2/6-31+G(d,p) geometries and at the optimized geometries in the hydrogen-bonding regions of corresponding 3:1 FH:collidine complexes. The isolated gas-phase equilibrium 3:1 FH:NH3 complex has an
View All Related Papers

Global Trade Item Number

SKUGTIN
142387-100ML04061838734266
142387-500ML04061837368387
142387-5ML04061838734273
142387-1L04061837368370

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    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

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  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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