SPECIALITY DYESTUFF

                                         

Product:

Cresol Red (Reddish)

CAS #:

1733-12-6

Molecular Formula:

C21H18O5S

Molecular Weight:

 

 

 

 

 

Structural Formula:

382.42

http://garudachem.com/CRed_files/image005.gif

 

Appearance:

Brownish red powder

Transition Range:

pH 0.5 to pH 2.5: (Pink – Yellow).

pH 6.5 to pH 8.8: (Yellow –Purple).

Solubility 0.1% (EtOH):

Clear yellow solution.

Solubility:

To a mixture of:

1) Dowanol PM (propylene glycol monomethyl ether) - 57.070 grams

2) Diacetone alcohol - 3.500 grams

3) Ethanol - 31.530 grams

Add 0.075 gms. of Cresol Red.

Test Passes. Dissolves immediately.

Produces a clear, pinkish-red solution with no insolubles.

Absorptivity 1%, 1cm:

 

(pH 8.8) at λ max 573.0 nm:

(1000-1100).

(pH 6.5) at λ max 435.0 nm:

(490-540).

Loss on Drying at 110oC(1hr):

 

 

(<3%).

 

          Related Information

We offer packing customised to customer-requirement. Standard packing for this product is 25.0 kilos net, new, polylined, HDPE drums

We mostly keep small quantities of this material in ready stock

Please enquire for updated information on delivery schedule, pricing and payment terms to <gcsales@garudachem.com>

H.T.S.#:

3204.1300.90

REACH Registration #:

 

Known Applications:

monitoring pH in aquaria; molecular biology reactions in place of other loading dyes. Cresol Red does not inhibit Taq polymerase to the same degree as other common loading dyes; colour marker to monitor the process of agarose gel electrophoresis and polyacrylamide gel electrophoresis; laboratory reagent and biological stain

 

MSDS

 

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Garuda

Tel:

+91.22.28201198/28215596

Email:

   gcsales@garudachem.com

Fax:

+91.22.28201201