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Sigma-Aldrich

1,8-Nonadiyne

98%

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About This Item

Linear Formula:
HC≡C(CH2)5C≡CH
CAS Number:
2396-65-8
Molecular Weight:
120.19
EC Number:
219-254-0
MDL number:
MFCD00008581
UNSPSC Code:
12352100
PubChem Substance ID:
24849920
NACRES:
NA.22

Assay

98%

form

liquid

refractive index

n20/D 1.449 (lit.)

bp

55-55.5 °C/13 mmHg (lit.)

mp

−21 °C (lit.)

density

0.799 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

C#CCCCCCC#C

InChI

1S/C9H12/c1-3-5-7-9-8-6-4-2/h1-2H,5-9H2

InChI key

DMOVPHYFYSASTC-UHFFFAOYSA-N

General description

1,8-Nonadiyne undergoes one-step hydrosilylation reaction for attaching acetylene-terminated alkyl monolayers to nonoxidized crystalline silicon surfaces.

Application

1,8-Nonadiyne was used as starting reagent in the synthesis of 2,6-hexadecadiynoic acid, 2,6-nonadecadiynoic acid and 2,9-hexadecadiynoic acid.

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Warning

Hazard Statements

H226,H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

107.6 °F - closed cup

Flash Point(C)

42 °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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Néstor M Carballeira et al.
Lipids, 41(5), 507-511 (2006-08-29)
The hitherto unknown 2,6-hexadecadiynoic acid, 2,6-nonadecadiynoic acid, and 2,9-hexadecadiynoic acid were synthesized in two steps and in 11-18% overall yields starting from either 1,5-hexadiyne or 1,8-nonadiyne. Among all the compounds 2,6-hexadecadiynoic acid displayed the best overall antifungal activity against both
Benjamin S Flavel et al.
Langmuir : the ACS journal of surfaces and colloids, 29(26), 8355-8362 (2013-06-25)
Poly(ethylene glycol) (PEG) is one of the most extensively studied antifouling coatings due to its ability to reduce protein adsorption and improve biocompatibility. Although the use of PEG for antifouling coatings is well established, the stability and density of PEG
Stephen G Parker et al.
Nature communications, 9(1), 2288-2288 (2018-06-14)
For many normal and aberrant cell behaviours, it is important to understand the origin of cellular heterogeneity. Although powerful methods for studying cell heterogeneity have emerged, they are more suitable for common rather than rare cells. Exploring the heterogeneity of
Yan B Vogel et al.
Nature communications, 8(1), 2066-2066 (2017-12-14)
Predicting or manipulating charge-transfer at semiconductor interfaces, from molecular electronics to energy conversion, relies on knowledge generated from a kinetic analysis of the electrode process, as provided by cyclic voltammetry. Scientists and engineers encountering non-ideal shapes and positions in voltammograms
Janneke Veerbeek et al.
ACS applied materials & interfaces, 9(1), 413-421 (2016-12-10)
Silicon-based solar fuel devices require passivation for optimal performance yet at the same time need functionalization with (photo)catalysts for efficient solar fuel production. Here, we use molecular monolayers to enable electrical passivation and simultaneous functionalization of silicon-based solar cells. Organic

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