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2303-01-7 [1 record]

Record 1 2011-03-18

English

Subject field(s)
  • Chemical Elements and Compounds
  • Analytical Chemistry
  • Environmental Studies and Analyses
Universal entry(ies)
C21H18O5S
formula, see observation
2303-01-7
CAS number
DEF

An acid-base indicator, showing color change from red to yellow over the range pH 1.2-2.8 and from yellow to purple over the range pH 7.4-9.0.

OBS

m-cresol purple: The letter "m" must be italicized.

OBS

4,4'-(3H-2,1-benzoxathiole-3,3-diyl)bis(3-methylphenol) 1,1-dioxide: The capital letter "H" must be italicized.

OBS

meta-cresolsulfonphthalein: The word "meta" must be italicized.

OBS

Chemical formula: C21H18O5S

French

Domaine(s)
  • Éléments et composés chimiques
  • Chimie analytique
  • Études et analyses environnementales
Entrée(s) universelle(s)
C21H18O5S
formula, see observation
2303-01-7
CAS number
DEF

Sulfone phtaléine du m-crésol [...] indicateur de pH 0,5-2,5; (rouge-jaune) et jaune au pourpre de 7,4 à 9,0.

OBS

pourpre de m-crésol : La lettre «m» s'écrit en italique.

OBS

1,1-dioxyde de 4,4'-(3H-2,1-benzoxathiole-3,3-diyl)bis(3-méthylphénol) : La lettre majuscule «H» s'écrit en italique.

OBS

Formule chimique : C21H18O5S

Spanish

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