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550477

3,9-Dodecadiyne

Name: 3,9-Dodecadiyne
Brand: ALDRICH

97%

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About This Item

Linear Formula:

CH₃CH₂C≡C(CH₂)₄C≡CCH₂CH₃

CAS Number:

61827-89-2

Molecular Weight:

162.27

UNSPSC Code:

12352100

PubChem Substance ID:

24879118

MDL number:

MFCD00041637

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Properties

assay

97%

refractive index

n20/D 1.465 (lit.)

bp

55-58 °C/0.5 mmHg (lit.)

density

0.809 g/mL at 25 °C (lit.)

SMILES string

CCC#CCCCCC#CCC

InChI

1S/C12H18/c1-3-5-7-9-11-12-10-8-6-4-2/h3-4,9-12H2,1-2H3

InChI key

SLQXYOMUNKJHRV-UHFFFAOYSA-N

Description

General description

3,9-Dodecadiyne is an internal diyne that can undergo nickel-catalyzed cycloaddition with aryl nitriles to form pyridines.

Application

3,9-Dodecadiyne may be used as a monomer to prepare soluble hyperbranched poly(phenylenealkenes) via transition metal-catalyzed polycyclotrimerization. It may also be used as a starting material for preparing 1,2,3,4,9,10-hexaethyl-6,7,8,9-tetrahydroanthracene.

pictograms

GHS07

signalword

Warning

hcodes

H315,H319,H335

pcodes

P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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