GSP Chemical Industries

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Products / pH Indicators

ALKALI BLUE
ACID RED 33
ALIZARIN COMPLEXONE
ALIZARIN RED S
ALUMINON (ACS GRADE)
AMIDO BLACK 10B
ANILINE BLUE (METHYL BLUE)
AURIN (p-ROSOLIC ACID)
AZURE A
AZURE B (AZURE I)
AZURE C
AZURE II
AZURE II EOSINATE
BIEBRICH SCARLET
BRILLIANT CRESYL BLUE 65%
BROMOCHLOROPHENOL BLUE SODIUM SALT
BROMOCRESOL GREEN (ACS GRADE)
BROMOCRESOL GREEN SODIUM SALT (ACS GRADE)
BROMOCRESOL PURPLE (ACS GRADE)
BROMOCRESOL PURPLE SODIUM SALT (ACS GRADE)
BROMOPHENOL BLUE (ACS GRADE)
BROMOPHENOL BLUE SODIUM SALT (ACS GRADE)
BROMOPHENOL RED
BROMOPYROGALLOL RED
BROMOTHYMOL BLUE (ACS GRADE)
BROMOTHYMOL BLUE SODIUM SALT (ACS GRADE)
BROMOXYLENOL BLUE
CALCEIN (FLUORESCEIN COMPLEXONE)
CALCON (SOLOCHROME DARK BLUE)
CALCON CARBOXYLIC ACID (PATTON AND REEDER'S REAGENT)
CALMAGITE
CARBOL FUCHSIN
CHLOROPHENOL RED
CHROMOTROPE 2B
CHROMOTROPE 2R
CONGO RED
o-CRESOLPHTHALEIN
o-CRESOLPHTHALEIN COMPLEXONE
CRESOL RED (ACS GRADE)
CRESOL RED SODIUM SALT (ACS GRADE)
m-CRESOL PURPLE
CROCEIN ORANGE G
CRESYL VIOLET ACETATE
4',5'-DIBROMOFLUORESCEIN
2,6-DICHLOROPHENOL INDOPHENOL SODIUM SALT (ACS GRADE)
N,N-DIETHYL-p-PHENYLENEDIAMINE SULFATE SALT (A.C.S)
EOSIN BLUE
EOSIN YELLOW
ERIOCHROME BLACK T (ACS GRADE)
ETHYL EOSIN (EOSIN SPIRIT SOLUBLE)
ETHYL ORANGE
EVAN'S BLUE
FIELD STAIN A
FIELD STAIN B
GIEMSA STAIN
HYDROXY NAPHTHOL BLUE (ACS GRADE)
INDOINE BLUE (JANUS BLUE)
JENNER STAIN
LEISHMAN STAIN
MAGNESON I
MALACHITE GREEN CHLORIDE
MAY-GRUNWALD STAIN
METHYL ORANGE (ACS GRADE)
METHYL RED (ACS GRADE)
METHYL RED HYDROCHLORIDE
METHYL RED SODIUM SALT (ACS GRADE)
METHYLTHYMOL BLUE COMPLEXONE
1-NAPHTHOLBENZEIN
1-NAPHTHOLPHTHALEIN
NAPHTHOL GREEN B
NEUTRAL RED 60%
NEUTRAL RED 95%
NILE BLUE CHLORIDE
NILE BLUE SULPHATE
NILE RED
NITROSO-R-SALT
ORANGE G
ORCEIN
PAN INDICATOR
PAR INDICATOR MONOSODIUM SALT
PARAROSANILINE HYDROCHLORIDE
PHENOLPHTHALEIN COMPLEXONE
PHENOL RED (ACS GRADE)
PHENOL RED SODIUM SALT (ACS GRADE)
PONCEAU S
PYROGALLOL RED
PYROCATECHOL VIOLET
ROSE BENGAL
SAFRANINE O
SODIUM DIPHENYLAMINE SULFONATE (ACS GRADE)
SPADNS
SUDAN III
SUDAN IV
THYMOL BLUE (ACS GRADE)
THYMOL BLUE SODIUM SALT (ACS GRADE)
THYMOLPHTHALEIN (ACS GRADE)
THYMOLPHTHALEIN COMPLEXONE
TITAN YELLOW 65%
TOLUIDINE BLUE O
TROPAEOLIN O
TROPAEOLIN OO
TRYPAN BLUE
WRIGHT STAIN
XYLENOL ORANGE TETRASODIUM SALT (ACS GRADE)
p-XYLENOL BLUE
XYLIDINE PONCEAU 2R

C.A.S. No.	23647-14-5
M.F.	C16H9N2Na3O11S3
M.W.	570.42gm/mole

Specifications:

Dye Content (by Spectrophotometry)	>80%
Solubility 0.1% (Dist. water)	Clear solution
Absorption Maximum (water, at pH 7.0)?max	505-510nm
Absorptivity (A1%/1cm in Dist. water, at pH 7.0 at ?max)	>375
Loss on drying (110°C)	<10%