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Spectrum Chemical Mfg. Corp.

14422 S San Pedro St., united states

united states united states

bromocresol bromocresol
bromocresol green a.c.s. above 90%

bromocresol green

a.c.s.
Above 90%

PRODUCT NAME     :           BROMOCRESOL GREEN

 

Synonyms                  :           3',3",5',5"-Tetrabromo-m-cresolsulfonephthalein           

 

CAS NO.                    :           76-60-8

 

Molecular Formula   :           C21H14Br4O5S

 

Formula Weight        :           698.04

 

Appearance               :           Pinlish Beige to yellow to tan powder

 

Structure                    :          

 

 

 

BATCH NO.               :           BCGK -0717

 

 

TESTS                                              LIMITS                                               RESULTS    

 

Transition pH range                         pH3.8 - pH5.4                                     pH3.8 - pH5.4

                                                            Yellowish Green- Blue                     Yellowish Green- Blue        

           

Soluability 0.1% (EtOH)                   Clear Golden Yellow Solution         Passes as per ACS

 

Absorptivity 1%/1cm,

(pH 3.8) at lmax 443.0 nm               240-270                                               248                                                     

(pH 5.4) at lmax 616.0 nm               530-570                                               545

 

Dye content

(by Spectrophotometry)                  > 95%                                                  96.2%

 

Loss on drying (110°C) 1 hr.           < 3%                                                    2.15%  

CAS Number:76608

UNISOURCE CHEMICALS PVT LTD

L-15 MIDC Tarapur,, boisar, india

india india

bromocresol

Ace Chemical Company

119A Mooringe Ave, Camden Park, SA-5038,Australia, australia

australia australia

bromocresol bromocresol
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