H469 Tetrachlorophthalic anhydride - AK Scientific
 
 
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  Catalog ID # H469
Tetrachlorophthalic anhydride
, 98% (HPLC)
 



IDENTITY
CAS Registry #:[117-08-8]
MDL Number:MFCD00005920
MF:C8Cl4O3
MW:285.8958
EINECS:204-171-4
BRN:211560
SPECIFICATIONS & PROPERTIES
Purity:98% (HPLC)
Physical Form:White to off-white crystalline powder
Melting Point:253-258°C
Boiling Point:371°C
Flash Point:362°C
Shipping:Normal Temperature

REVIEW

 Protection of amines as their tetrachlorophthalimide derivatives, by reaction with the anhydride in the presence of triethylamine, has been found to be useful in oligosaccharide chemistry. The group is stable to a wide range of reagents but can be selectively cleaved with ethylenediamine at lower temperatures than for the parent phthalimide derivatives; in particular, carboxylic esters are not cleaved under these conditions: J. Am. Chem. Soc., 117, 3302 (1995); J. Org. Chem., 61, 432 (1996).

Risk Description(s)
R45:May cause cancer.
R41:Risk of serious damage to the eyes.
R42/43:May cause sensitization by inhalation and skin contact
R48/22:Harmful danger of serious damage to health by prolonged exposure if swallowed
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment

Safety Description(s)
S53:Avoid exposure - obtain special instructions before use.
S22:Do not breathe dust .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
S61:Avoid release to the environment. Refer to special instructions/Safety data sheets.


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CATEGORIES

 Aryl and Aliphatic Building Blocks > Acid Anhydrides, Chlorine
 Reagents > Protection

USEFUL LINKS

  PubChem