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Molecular Weight Formula
423.2668 C19H12Cl2O5S

Chlorphenol Red is also known as Chlorophenol Red indicator .

Chlorphenol Red

Put together a 3D molecular model of Chlorophenol Red from Authentic Molymod Atoms & Bonds by Indigo

Chlorophenol red is a brown crystalline powder commonly used as an acid-base indicator. It indicates acidity in the range of 4.8 to 6.7 by changing from a yellow color (at pH 4.8) to a violet color (at pH 6.7).

With the increased use of chlorine dioxide in water treatment, chlorophenol red is an ideal indicator for colorimetric based measuring techniques since reaction with chlorine dioxide changes it from yellow to colorless. Because one mole of reacts with 2 moles of chlorine dioxide, companies can determine the concentration of ClO2 present in water. For more information on this, click the following link: Hach Chlorine Dioxide Water Treatment.

This molecule is also a good example of the C3 Point Group & shows "propeller" rotation.

To buy a model of this molecule or others, click here: Chlorphenol Red

Model Sets That Can Build This Molecule

Hybrid Dome Open Sphere Closed Dome Closed Sphere
62053
62053SP
62050
62009
62009EX
62010
62003
62004
62053
62053SP
62007
62050
62003
62053
62053SP


P/NDescriptionQTY
60103EAtom, Molymod, red (oxygen), 1 hole, 20mm2
60111EAtom, Molymod, green (halogen), 1 hole, 17mm2
60150EAtom, Molymod, white (hydrogen), hemisphere, 19mm12
60200EAtom, Molymod, red (oxygen), 2 hole, 105 degrees3
60400EAtom, Molymod, black (carbon), 4 hole, 109.5 degrees, 23mm19
60403EAtom, Molymod, yellow (sulfur), 4 hole, 109.5 degrees, 23mm1
61012EBond, Molymod, grey (single), 20mm21
61013EBond, Molymod, grey (double/triple), 35mm18
61015EBond, Molymod, opaque, 2mm (for spacefilling models)12

2-chloro-4-[3-(3-chloro-4-hydroxyphenyl)-1,1-dioxobenzo[c]oxathiol-3-yl]phenol , 2-chloro-4-[3-(3-chloro-4-hydroxy-phenyl)-1,1-dioxo-benzo[c]oxathiol-3-yl]phenol , 2-chloro-4-[3-(3-chloro-4-hydroxyphenyl)-1,1-dioxo-3-benzo[c]oxathiolyl]phenol , 2-chloro-4-[3-(3-chloro-4-hydroxy-phenyl)-1,1-diketo-benzo[c]oxathiol-3-yl]phenol , 2-chloro-4-[3-(3-chloro-4-hydroxy-phenyl)-1,1-dioxo-benzo[c][1,2]oxathiol-3-yl]phenol , 123301-42-8 , 27459-85-4 , 4430-20-0 , 199524_ALDRICH , 3',3''-Dichlorophenolsulfonphthalein , 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis(2-chlorophenol) S,S-dioxide , EINECS 224-619-2 , NSC 7828 , Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(2-chloro- , Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(2-chloro-, S,S-dioxide (8CI)(9CI) , AIDS030500 , Chlorophenol red indicator , AIDS-030500 , Chlorophenol red , Chlorphenol Red , Chlorphenolsulfonphthalein , Dichlorophenolsulfonephthalein , NSC7828 , Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-chloro-, S,S-dioxide , 3′,3′-Dichlorophenolsulfonaphthalein , ZINC03861447 , SBB005925