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phthalic acid [1 record]

Filter results by subject field Alphabetical list of terms

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Alphabetical list of terms

Record 1 2003-11-25

English

Subject field(s)
  • Photography
OBS

C6H4(CO2H)2 Any of three isomeric benzene dicarboxylic acids; the ortho form is usually called phthalic acid, comprises alcohol-soluble, colorless crystals decomposing at 191 degree C, slightly soluble in water and ether, is used to make dyes, medicine, and synthetic perfumes, and as a chemical intermediate, and is also known as benzene orthodicarboxylic acid; the para form, known as terephthalic acid, is used to make polyester resins (Dacron) and as poultry feed additives; the mata form is isophthalic acid.

French

Domaine(s)
  • Photographie
CONT

En remplaçant l'acide phtalique par les acides tartriques succinique ou saccharique on obtiendrait des tartréines, des succinéines ou des saccharéines, analogues aux phtaléines.

Spanish

Campo(s) temático(s)
  • Fotografía
DEF

Cristales incoloros. Soluble en alcohol, parcialmente soluble en agua y éter. Combustible, poco tóxico.

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