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520446

Sigma-Aldrich

3-Ethynylpyridine

98%

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About This Item

Empirical Formula (Hill Notation):
C7H5N
CAS Number:
Molecular Weight:
103.12
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

98%

bp

83-84 °C/30 mmHg (lit.)

mp

39-40 °C (lit.)

SMILES string

C#Cc1cccnc1

InChI

1S/C7H5N/c1-2-7-4-3-5-8-6-7/h1,3-6H

InChI key

CLRPXACRDTXENY-UHFFFAOYSA-N

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Flam. Sol. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flash Point(F)

134.0 °F - closed cup

Flash Point(C)

56.67 °C - closed cup

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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Wei Wei et al.
Chemical communications (Cambridge, England), 48(2), 305-307 (2011-11-18)
The first transition-metal-catalyzed direct oxidative synthesis of amides by using dioxygen as an oxygen source has been developed under mild conditions, in which DBU was used as the key additive. The present methodology, which utilizes dioxygen as an oxidant and
Christoph Gütz et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 19(33), 10890-10894 (2013-07-05)
A 1,1'-binaphthyl-based bis(pyridine) ligand (1) was prepared in racemic and enantiomerically pure form to study the formation of [Pd2(1)4] complexes upon coordination to palladium(II) ions with regard to the degree of chiral self-sorting. The self-assembly process proceeds in a highly
Varinder K Aggarwal et al.
The Journal of organic chemistry, 68(13), 5381-5383 (2003-06-21)
A convenient one-pot procedure for the preparation of pyrazoles by 1,3-dipolar cycloaddition of diazo compounds generated in situ has been developed. Diazo compounds derived from aldehydes were reacted with terminal alkynes to furnish regioselectively 3,5-disubstituted pyrazoles. Furthermore, the reaction of
Qing Li et al.
Marine drugs, 16(4) (2018-03-31)
Chitosan is an abundant and renewable polysaccharide, which exhibits attractive bioactivities and natural properties. Improvement such as chemical modification of chitosan is often performed for its potential of providing high bioactivity and good water solubility. A new class of chitosan
Patrick M J Szell et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 24(44), 11364-11376 (2018-06-01)
Halogen bonding is an increasingly important tool in crystal engineering, and measuring its influence on the local chemical and electronic environment is necessary to fully understand this interaction. Here, we present a systematic crystallographic and solid-state NMR study of self-complementary

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