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Phenol Red
C.A.S. No. : 2800-80-8
M.F. : C19H12Br2S
M.W. : 512.19gm/mole
Dye Content (by Spectrophotometry) : >95%
Transition Range : pH 4.7-6.3 Yellow-Pu..
C.A.S. No. : 4430-20-0
M.F. : C19H12Cl2O5S
M.W. : 423.32gm/mole
Dye Content (by Spectrophotometry) : >93%
Solubility 0.1% (95% EtOH) : Clear solution
C.A.S. No. : 143-74-8
M.F. : C19H14O5S
M.W. : 354.38gm/mole
Solubility 0.1 % (95% EtOH) : Clear solution
C.A.S. No. : 34487-61-1
M.F. : C19H13O5SNa
M.W. : 376.36gm/mole
Dye Content (by Spectrophotometry) : >90%
Solubility 0.1 % (Dist. water) : Clear solution
Bromocresol Purple
C.A.S. No. : 115-40-2
M.F. : C21H16Br2O5S
M.W. : 540.24gm/mole
Transition Range : pH 5.2-6.8 Yellow-Pu..
C.A.S. No. : 62625-30-3
M.F. : C21H16Br2O5SNa
M.W. : 562.22gm
Bromocresol Green
C.A.S. No. : 76-60-8
M.F. : C21H14Br4O5S
M.W. : 698.04gm/mole
Transition Range : pH 3.8-5.4 Greenish ..
C.A.S. No. : 62625-32-5
M.F. : C21H13Br4NaO5S
M.W. : 720.00gm/mole
Bromothymol Blue
C.A.S. No. : 76-59-5
M.F. : C27H28Br2O5S
M.W. : 624.40gm/mole
Transition Range : pH 5.8-7.6 Yellow-Bl..
C.A.S. No. : 34722-90-2
M.W. : 646.38gm/mole
Thymolphthalein
C.A.S. No. : 125-20-2
M.F. : C28H30O4
M.W. : 430.54gm/mole
Transition Range : Ph 9.3-10.5 Colorles..
C.A.S. No. : 1913-93-5
M.F. : C38H44O12N2
M.W. : 720.78gm/mole
Absorption maximum (0.1N NaOH) ?max : 600-605nm
Other Products
C.A.S. No. : 1324-80-7
CI NO. : 42765
M.W. : 573.65 gm/mole
Solubility 0.1% ( Water) : Clear solution
Absorption Maximum(Methanol) ? max. : 593-613nm
C.A.S. No. : 3567-66-6
CI NO. : 17200
M.F. : C16H11N3Na2O7S2
M.W. : 467.39gm/mole
Solubility 0.1% (Dist. Water) : Clear solution
C.A.S. No. : 3952-78-1
M.F. : C19H15NO8
M.W. : 412.36gm/mole
Solubility in 0.1% (0.1N NaOH) : Clear solution
Absorption Max (0.1N NaOH) ?max : 564-568nm
C.A.S. No. : 130-22-3
CI NO. : 58005
M.F. : C14H7NaO7S
M.W. : 342.26gm/mole
Dye Content (by Spectrophotometry) : >70%
C.A.S. No. : 569-58-4
M.F. : C22H14O9 · 3NH3
M.W. : 473.44gm/mole
Solubility 0.1% (dist. Water) : Clear Solution
Insoluble Matter : <0.1%
C.A.S. No. : 1064-48-8
CI NO. : 20470
M.F. : C22H14N6Na2O9S2
M.W. : 616.49gm/mole
Dye Content ( by Spectrophotometry) : >80%
C.A.S. No. : 28983-56-4
M.F. : C37H27N3Na2O9S3
M.W. : 799.80gm/mole
Dye Content (by Spectrophotometry) : >50%
C.A.S. No. : 603-45-2
CI NO. : 43800
M.F. : C19H14O3
M.W. : 290.32gm/mole
Dye Content (by Spectrophotometry) : >85%
C.A.S. No. : 531-53-3
CI NO. : 52005
M.F. : C14H14CIN3S
M.W. : 291.80gm/mole
Dye Content (by Spectrophotometry) : >75%
C.A.S. No. : 531-55-5
CI NO. : 52010
M.F. : C15H16CIN3S
M.W. : 305.83gm/mole
Dye Content (by Spectrophotometry) : 80%
C.A.S. No. : 531-57-7
M.F. : C13H12Cl N3S
M.W. : 277.78gm/mole
Dye Content (by Spectrophotometry) : >40%
C.A.S. No. : 37247-10-2
M.F. : C16H18N3S · C16H18N..
M.W. : 625.68gm/mole
Absorption Maximum (Dist. Water) ?max : 655-660nm
C.A.S. No. : 53092-85-6
Solubility 0.1% (MeOH) : Clear solution
Absorption maximum (MeOH) ?1max : 647-652nm
Absorption maximum (MeOH) ?2 max : 520-525nm
Absorptivity (A1%/1cm in MeOH,at ?1max on dried substance) : >1250
C.A.S. No. : 4196-99-0
CI NO. : 26905
M.F. : C22H14N4Na2O7S2
M.W. : 556.49gm/mole
C.A.S. No. : 81029-05-2
M.F. : C17H20CIN3O.1/2.ZnCl..
M.W. : 385.96gm/mole
Dye Content (by Spectrophotometry) : >65%
Solubility 0.1% (50% Etoh) : Clear Blue Solution
C.A.S. No. : 102185-52-4
M.F. : C19H9Br2O5SNa
M.W. : 603.06gm/mole
Transition Range : pH 3.0-4.5 Greenish..
C.A.S. No. : 115-39-9
M.F. : C19H10Br4O5S
M.W. : 669.99gm/mole
Transition Range : pH 3.0-4.6 Greenish ..
C.A.S. No. : 16574-43-9
M.F. : C19H10Br2O8S
M.W. : 558.17gm/mole
Solubility 0.1% (in 95% EtOH) : Clear solution
Absorption Maximum (in 95% EtOH) ?max : 554-557nm
C.A.S. No. : 40070-59-5
M.F. : C23H20Br2O5S
M.W. : 568.29gm/mole
Transition Range : pH 5.7-7.4 Yellow-Bl..
C.A.S. No. : 1461-15-0
M.F. : C30H22N2O13
M.W. : 622.55gm/mole
Solubility 0.1% (0.1N NaOH) : Clear solution
Absorption maximum (0.1N NaOH) ?max : 499+/-5nm
C.A.S. No. : 2538-85-4
CI NO. : 15705
M.F. : C20H13N2NaO5S
M.W. : 416.39gm/mole
Solubility 0.1% (50% EtOH) : Clear solution
C.A.S. No. : 3737-95-9
M.F. : C21H14N2O7S
M.W. : 438.41gm/mole
Dye Content (by Spectrophotometry) : >60%
C.A.S. No. : 3147-14-6
M.F. : C17H14N2O5S
M.W. : 358.37gm/mole
Absorption maximum (pH 10.0 in Ammonia buffer+2ml of 0.05M E.D.T.A. Solution) ?max : 600-610nm
C.A.S. No. : 4197-24-4
Absorption maximum (50% EtOH) ?max : 547-552nm
Absorptivity (A1%1cm in 50% EtOH at ?max) : >2150
Loss On Drying (110°C) : <10%
C.A.S. No. : 548-80-1
CI NO. : 16575
M.F. : C16H9N3Na2O10S2
M.W. : 513.37gm/mole
C.A.S. No. : 4197–07–3
CI NO. : 16570
M.F. : C16H10N2Na2O8S2
M.W. : 468.37gm/mole
C.A.S. No. : 573-58-0
CI NO. : 22120
M.F. : C32H22N6Na2O6S2
M.W. : 696.66gm/mole
C.A.S. No. : 596-27-0
M.F. : C22H18O4
M.W. : 346.38gm/mole
Appearance : White-Off white powd..
C.A.S. No. : 1733-12-6
M.F. : C21H18O5S
M.W. : 382.43gm/mole
Transition Range : pH 6.5-8.8 Yellow-Pu..
C.A.S. No. : 62625-29-0
M.F. : C21H17O5SNa
M.W. : 404.42gm/mole
Absorption maximum (pH 6.5) ?1max : 432-437nm
C.A.S. No. : 2303-01-7
Appearance : Green to Brown Powde..
Transition Range : pH 7.4-9.0 Brownish ..
C.A.S. No. : 1934-20-9
CI NO. : 15970
M.F. : C16H11N2SO4Na
M.W. : 350.33gm/mole
C.A.S. No. : 10510-54-0
M.F. : C18H15N3O3
M.W. : 407.99gm/mole
Solubility 0.1% (Water) : Clear to opaque, pur..
Dye content (Spectrophotometric) : > 50%
C.A.S. No. : 596-03-2
M.F. : C20H10 Br 2O5
M.W. : 332.31gm/mole
Solubility 0.1 % (meoh+1ml 1n Hcl ) : Clear Solution
C.A.S. No. : 620-45-1
M.F. : C12H5Cl2NNaO22H2O
M.W. : 326.11gm/mole
Solubility 0.1% ((50% Etoh +2ml Na2co3) : Clear Solution
Absorption maximum (50% EtOH +2ml Na2CO3) ?max : 640-645nm
C.A.S. No. : 6283-63-2
Assay ( acidimetric) : > 99.5%
Appearance : white to off- white ..
pH ( 5% in water) : 2.0-2.2
Solubility ( 1% in dist. water) : Clear solution
C.A.S. No. : 548-24-3
CI NO. : 45400
M.F. : C20H6Br2N2Na2O9
M.W. : 624.09gm/mole
Dye content (By Gravimetry) : >85%
C.A.S. No. : 17372-87-1
CI NO. : 45380
M.F. : C20H6Br4Na2O5
M.W. : 691.86gm/mole
Dye Content (Spectrophotometry) : >90%
C.A.S. No. : 1787-61-7
CI NO. : 14645
M.F. : C20H12N3NaO7S
M.W. : 461.38gm/mole
Solubility 0.1 % (Dist. Water) : Clear solution
C.A.S. No. : 6359-05-03
CI NO. : 45386
M.W. : 714.03 gm/mole
Dye content (Spectrophotometry) : > 94%
Appearance : Dark Red to Brown
C.A.S. No. : 62758-12-7
M.F. : C16H18N3SO3Na
M.W. : 355.39gm/mole
Transition Range : pH 3.0-4.8
C.A.S. No. : 314-13-6
CI NO. : 23680
M.F. : C34H24N6Na4O14S4
M.W. : 960.82gm/mole
Absorption Maximum (Dist.Water) ? max. : 655-665nm
Absorptivity (A1%, 1cm in Water, at ? max. On dried substance) : >550
Loss on drying (110°C) : < 8%
Absorption Maximum (Dist.Water) ? max. : 510-520nm
Absorptivity (A1%, 1cm in Water, at ? max. On dried substance) : > 350
C.A.S. No. : 51811-82-6
Solubility 0.1 % (MeOH) : Clear solution
Absorption Maximum(in MeOH) ?1max : 640-650 nm
Absorption Maximum(in MeOH) ?2max : 520 - 525 nm
Absorptivity (A1%1cm in MeOH at ?1max on dried substance) : 950-1150
C.A.S. No. : 165660-27-5
M.F. : C20H12N2O11Na2S3
M.W. : 598.50gm
Suitability for Calcium Determination : Passes Test
C.A.S. No. : 4569-88-4
CI NO. : 12210
M.F. : C30H24ClN5O
M.W. : 506.01gm/mole
Appearance : Brownish to black po..
C.A.S. No. : 62851-42-7
Absorption Maximum(in MeOH) ?1max : 650-653nm
Absorption Maximum(in MeOH) ?2max : 520-525nm
Absorptivity (A1%1cm in MeOH at ?1max on dried substance) : >1100
C.A.S. No. : 12627-53-1
Absorption Maximum(in MeOH) ?1max : 640-645nm
Absorption Maximum(in MeOH) ?2max : 522-525nm
Absorptivity (A1%1cm in MeOH at ?1max on dried substance) : >900
C.A.S. No. : 74-39-5
M.W. : 259.22gm/mole
Solubility 0.05%(Methanol + 1ml 0.1N NaOH) : Clear solution
Absorption Max. %(Methanol + 1ml 0.1N NaOH : 442 +/- 3nm
Absorptivity (A1%, 1cm, at ? max.) : > 1430
C.A.S. No. : 2437-29-8
Appearance : Green crystals
Solubility 0.1% (dist. water) : Clear Green Solution
Absorption maximum (water) ?max : 615-620nm
Absorptivity (A1%/1cm in water, at ?max) : 1600
C.A.S. No. : 547-58-0
CI NO. : 13025
M.F. : C14H14N3SO3Na
M.W. : 327.34gm/mole
C.A.S. No. : 493-52-7
CI NO. : 13020
M.F. : C15H15N3O2
M.W. : 269.31gm/mole
C.A.S. No. : 63451-28-5
M.F. : C15H16N3O2Cl
M.W. : 305.77gm/mole
C.A.S. No. : 845-10-3
M.F. : C15H14N3O2Na
M.W. : 291.29gm/mole
C.A.S. No. : 1945-77-3
M.F. : C37H40N2Na4O13S
M.W. : 844.76gm/mole
Absorption maximum (Dist. water) ?max : 437-443nm
C.A.S. No. : 145-50-6
M.F. : C27H18O2
M.W. : 374.44 gm/mole
Solubility 0.1% ( in acetic perchloric acid) : Almost clear solutio..
Absorption maximum (in acetic perchloric acid)?max : 622-626 nm
C.A.S. No. : 596-01-0
M.F. : C28H18O4
M.W. : 418.45gm/mole
Solubility 0.1 % (95% EtOH) : Almost Clear solutio..
Absorption maximum (in 0.1N NaOH) ?max : 650-654nm
C.A.S. No. : 19381-50-1
CI NO. : 10020
M.F. : (C10H5O5NNaS)3 . Fe
M.W. : 878.45gm/mole
C.A.S. No. : 553-24-2
CI NO. : 50040
M.F. : C15H17 N4Cl
M.W. : 288.78gm/mole
C.A.S. No. : 2381-85-3
CI NO. : 51180
M.F. : C20H20ClN3O
M.W. : 353.85gm/mole
C.A.S. No. : 3625-57-8
M.F. : C40H40N6O6S
M.W. : 732.84gm/mole
C.A.S. No. : 7385-67-3
M.F. : C20H18N2O2
M.W. : 318.38gm
Absorption maximum (MeOH) ?max : 551-554nm
C.A.S. No. : 525-05-3
M.F. : C10H5O8NNa2S2 . xH2O
M.W. : 377.26gm/mole
Absorption maximum (0.1N NaOH) ?max : 422-426nm
C.A.S. No. : 1936-15-8
CI NO. : 16230
M.F. : C16H10N2Na2O7S2
M.W. : 452.38gm/mole
C.A.S. No. : 1400-62-0
Solubility 0.1 %(0.1N NaOH) : Clear solution
Absorption Maximum (0.1N NaOH) ?max : 574-580nm
Absorptivity (A1%/1cm in 0.1N NaOH, at ?max) : 250-450
Loss on drying (110°C) : <7%
C.A.S. No. : 85-85-8
M.F. : C15H11N3O
M.W. : 249.27gm/mole
Solubility 0.1 %(0.1N EtOH) : Clear solution
Absorption Maximum (in EtOH) ?max : 462-466nm
C.A.S. No. : 16593-81-0
M.W. : 255.21gm/mole
Absorption Maximum (in Dist. water) ?max : 411-413nm
C.A.S. No. : 569-61-9
CI NO. : 42500
M.F. : C19H18ClN3
M.W. : 323.83gm/mole
Dye Content (by Spectrophotometry) : >88%
C.A.S. No. : 25296-54-2
M.W. : 608.56gm/mole
Appearance : Off white powder
Solubility : Clear solution
Absorption Maximum(in 0.1N NaOH) ?max : 556-560nm
C.A.S. No. : 62276-79-5
CI NO. : 27195
M.F. : C22H12N4Na4O13S4
M.W. : 760.58gm/mole
C.A.S. No. : 32638-88-3
M.F. : C19H14O9S
M.W. : 418.39gm/mole
Solubility 0.1% (0.1n Naoh) : Clear Solution
Absorption maximum (in acidic MeOH) ?max : 474-478nm
C.A.S. No. : 115-41-3
M.F. : C19H14O2S
M.W. : 386.38gm/mole
Absorption maximum(in MeOH) ?max : 442-446nm
C.A.S. No. : 632-69-9
CI NO. : 45440
M.F. : C20H2O5Cl4I4Na2
M.W. : 1017.65gm/mole
C.A.S. No. : 477-73-6
CI NO. : 50240
M.F. : C20H19N4Cl
M.W. : 350.85gm/mole
Dye content (Spectrophotometry) : > 95%
C.A.S. No. : 62625-21-2
M.F. : C27H29SO5Na
M.W. : 488.58gm/mole
C.A.S. No. : 1829-00-1
CI NO. : 19540
M.F. : C28H19Na2O6S4N5
M.W. : 695.73gm/mole
C.A.S. No. : 92-31-9
CI NO. : 52040
M.F. : C15H16N3SCl
Dye Content (by Spectrophotometry) : >80%
C.A.S. No. : 547-57-9
CI NO. : 14270
M.F. : C12H9N2SO5Na
M.W. : 316.27gm/mole
Solubility 0.1% (Dist. water) : Clear solution
C.A.S. No. : 554-73-4
CI NO. : 13080
M.F. : C18H14N3SO3Na
M.W. : 375.38gm/mole
Transition range : pH 1.2-2.7 Yellow-Or..
C.A.S. No. : 72-57-1
CI NO. : 23850
M.F. : C34H24N6S4O14Na4
C.A.S. No. : 68988-92-1
Absorption Maximum (MeOH) ?1max : 640-645nm
Absorption maximum (MeOH) ?2max : 522-525nm
Absorptivity (A1%/1cm in MeOH at ?1max) : >1100
C.A.S. No. : 3618-43-7
M.F. : C31H28N2SO13Na4
M.W. : 760.59gm/mole
Absorption maximum (0.1N NaOH) ?max : 575-580nm
C.A.S. No. : 125-31-5
M.F. : C23H22O5S
M.W. : 410.49gm/mole
