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Home > Encyclopedia > 5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 1,3-isobenzofurandione and 1,1′-methylenebis[4-isocyanatobenzene], reaction products with benzoic acid

5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 1,3-isobenzofurandione and 1,1′-methylenebis[4-isocyanatobenzene], reaction products with benzoic acid

5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 1,3-isobenzofurandione and 1,1′-methylenebis[4-isocyanatobenzene], reaction products with benzoic acid structure

5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 1,3-isobenzofurandione and 1,1′-methylenebis[4-isocyanatobenzene], reaction products with benzoic acid 

structure
  • CAS No:

    117500-35-3

  • Chemical Name:

    5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 1,3-isobenzofurandione and 1,1′-methylenebis[4-isocyanatobenzene], reaction products with benzoic acid

  • Synonyms:

    5-Isobenzofurancarboxylic acid,1,3-dihydro-1,3-dioxo-,polymer with 1,3-isobenzofurandione and 1,1′-methylenebis[4-isocyanatobenzene],reaction products with benzoic acid

  • Categories:

    Pharmaceutical Intermediates  >  Bulk Drug Intermediates

Description

WHITE CRYSTALS OR POWDER.

5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 1,3-isobenzofurandione and 1,1′-methylenebis[4-isocyanatobenzene], reaction products with benzoic acid Basic Attributes

122.12

122.037

200-618-2

Characteristics

37.3

1.87

Relative density of the vapour/air-mixture at 20°C (air = 1): 1

122°C

249°C

121°C c.c.

Solubility in water, g/100ml at 20°C: 0.29

The bulk material should be stored in well-closed container in a cool dry place.

Vapour pressure, Pa at 25°C: 0.1

Relative vapour density (air = 1): 4.2

Ignition of a pelleted sample /of benzoic acid/ in a /oxygen/ bomb with a faulty closure valve led to sudden venting of combustion gases which blew off the insulating cover and thermometer.

Safety Information

3077

DG0875000

During trasport: stable

P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P310, P312, P321, P332+P313, P362, P403+P233, P405, P501

H315

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