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123889

α,α′-Dichloro-o-xylene

98%

Synonym(s):

1,2-Bis(chloromethyl)benzene, o-Xylylene dichloride

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About This Item

Linear Formula:
C6H4(CH2Cl)2
CAS Number:
612-12-4
Molecular Weight:
175.06
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24847586
EC Number:
210-291-8
Beilstein/REAXYS Number:
2043675
MDL number:
MFCD00000903
Assay:
98%
Form:
solid

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InChI key

FMGGHNGKHRCJLL-UHFFFAOYSA-N

InChI

1S/C8H8Cl2/c9-5-7-3-1-2-4-8(7)6-10/h1-4H,5-6H2

SMILES string

ClCc1ccccc1CCl

assay

98%

form

solid

bp

239-241 °C (lit.)

Quality Level

200

functional group

chloro

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1 of 4

This Item
36580105740D44804
α,α′-Dichloro-o-xylene 98%

Sigma-Aldrich

123889

α,α′-Dichloro-o-xylene

α,α′-Dichloro-m-xylene ≥98.0% (GC)

Sigma-Aldrich

36580

α,α′-Dichloro-m-xylene

α,α′-Dichloro-p-xylene 98%

Sigma-Aldrich

105740

α,α′-Dichloro-p-xylene

α,α′-Dibromo-p-xylene 97%

Sigma-Aldrich

D44804

α,α′-Dibromo-p-xylene

assay

98%

assay

≥98.0% (GC)

assay

98%

assay

97%

Quality Level

200

Quality Level

100

Quality Level

100

Quality Level

100

form

solid

form

-

form

solid

form

crystals

mp

51-55 °C (lit.)

mp

33-35 °C (lit.)

mp

98-101 °C (lit.)

mp

143-145 °C (lit.)

bp

239-241 °C (lit.)

bp

250-255 °C (lit.)

bp

254 °C (lit.)

bp

245 °C (lit.)

functional group

chloro

functional group

chloro

functional group

chloro

functional group

-

General description

α,α′-Dichloro-o-xylene reacts with elemental tellurium and NaI in 2-methoxyethanol to form 1,1-diiodo-3,4-benzo-1-telluracyclopentane[1].

Application

α,α′−Dichloro-o-xylene was used in solid-phase synthesis of large combinatorial variations of fundamental peptide unit[2].

pictograms

Exclamation markEnvironment
GHS07,GHS09

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

257.0 °F - closed cup

flash_point_c

125 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN5270
BCCM3909
BCCK5601
BCCL2180
BCCG3287

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The synthesis and characterization of α-and β-1, 1-diiodo-3, 4-benzo-1-telluracyclopentane, C8 H8Tel2.
Ziolo RF and Gunther WHH.
Journal of Organometallic Chemistry, 146(3), 245-251 (1978)
William L Scott et al.
Molecules (Basel, Switzerland), 15(7), 4961-4983 (2010-07-27)
Amino acids are Nature's combinatorial building blocks. When substituted on both the amino and carboxyl sides they become the basic scaffold present in all peptides and proteins. We report a solid-phase synthetic route to large combinatorial variations of this fundamental

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