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  • Product Name:   4,4'-Dimethoxytrityl chloride
  • Synonyms:   4,4'-(Chloro(phenyl)Methylene)bis(Methoxybenzene);DMT-Cl)D;4,4- twoMethoxy threephenylMethyl chloride;DMT-Cl, 98%, pink color;Anti-Dematin, C-Terminal antibody produced in rabbit
  • CAS No.:   40615-36-9
  • Molecular Formula:   C21H19ClO2
  • Molecular Weight :   338.83
  • Specification :   98%
  • Place of Origin:   China
  • Appearance :   
  • Document :   Download

Description of 4,4'-Dimethoxytrityl chloride
4,4'-Dimethoxytrityl chloride Chemical Properties
Melting point  123-125 °C
Boiling point  455.07°C (rough estimate)
density  1.0887 (rough estimate)
refractive index  1.5330 (estimate)
storage temp.  Store at 0°C
form  Powder
color  Pink
Water Solubility  Soluble in chloroform and methanol. Partially soluble in water
Sensitive  Moisture Sensitive
BRN  2471942
InChIKey JBWYRBLDOOOJEU-UHFFFAOYSA-N
CAS DataBase Reference 40615-36-9(CAS DataBase Reference)
NIST Chemistry Reference Methane, chlorobis(p-methoxyphenyl)phenyl-(40615-36-9)
Safety Information
Hazard Codes  Xi
Risk Statements  36/37/38-34
Safety Statements  22-24/25-37/39-26-36-45-36/37/39
RIDADR  3261
WGK Germany  3
F  10-21
HS Code  29093090
4,4'-Dimethoxytrityl chloride Usage And Synthesis
Chemical Properties pink powder
Uses a versatile protecting group for primary alcohols, specially useful in oligonucleotide synthesis
Purification Methods DMT crystallises from cyclohexane/acetyl chloride as the hydrochloride. Dry it over KOH pellets in a desiccator. When dissolved in *C6H6 and air is blown through, HCl is removed. It crystallises from Et2O. [Baeyer & Villiger Chem Ber 36 2788 1903, Smith et al. J Am Chem Soc 84 430 1962, Smith et al. J Am Chem Soc 85 3821 1963.] Ifit has hydrolysed considerably (see OH in IR), then repeat the crystallisation from cyclohexane/acetyl chloride — excess of AcCl is removed in a vacuum over KOH, then recrystallise it from Et2O. [Beilstein 6 IV 1042.]
4,4'-Dimethoxytrityl chloride Preparation Products And Raw materials

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