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2,6-Dichlorobenzyl bromide, 97% - CAS 20443-98-5 - Formula C7H5BrCl2


Certificate of Analysis

2,6-Dichlorobenzyl bromide, 97%

CAS: 20443-98-5 MDL: MFCD00000577  EINECS: 243-827-4
UN#:UN3261Hazard Class:8Packing Group:II
Alternate Name: alpha-Bromo-2,6-dichlorotoluene


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Chemical Properties

Formula: C7H5BrCl2  Melting point: 54-57°
Formula weight: 239.93  Flash point: >110°(230°F)

Literature References

May be used to introduce the 2,6-dichlorobenzyl protecting group for phenols, including the OH group of tyrosine in peptide synthesis. It is readily cleaved with TfOH-TFA in the presence of thioanisole as a cation scavenger: J. Chem. Soc., Chem. Commun., 1063 (1980).

Other References

Beilstein: 637351
UN#: UN3261
Harmonized Tariff Code:   2903.99

GHS Hazard and Precautionary Statements

Hazard Statements : H314-H318

Causes severe skin burns and eye damage. Causes serious eye damage.

Precautionary Statements : P280-P305+P351+P338-P309-P310

Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or if you feel unwell: Immediately call a POISON CENTER or doctor/physician.


Risk & Safety

Risk Phrases: 34
Causes burns.
Safety Phrases: 26-36/37/39-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
RTECS: XS7966000