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Sigma-Aldrich

2-Chlorotrityl chloride

≥97.0% (AT)

Synonym(s):

Chloro(2-chlorophenyl)diphenylmethane

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About This Item

Empirical Formula (Hill Notation):
C19H14Cl2
CAS Number:
42074-68-0
Molecular Weight:
313.22
Beilstein/REAXYS Number:
1983914
EC Number:
255-647-3
MDL number:
MFCD00040399
UNSPSC Code:
12352100
PubChem Substance ID:
57648180
NACRES:
NA.22

assay

≥97.0% (AT)

form

solid

mp

130-135 °C

SMILES string

Clc1ccccc1C(Cl)(c2ccccc2)c3ccccc3

InChI

1S/C19H14Cl2/c20-18-14-8-7-13-17(18)19(21,15-9-3-1-4-10-15)16-11-5-2-6-12-16/h1-14H

InChI key

JFLSOKIMYBSASW-UHFFFAOYSA-N

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Application

2-Chlorotrityl chloride was used to obtain protected peptide fragments that can be applied to the preparation of head-to-tail cyclopeptides or to condensation of peptidic fragments.

Other Notes

Protecting group reagent for carboxylic acids forming esters which are cleaved mildly.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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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