CONGO RED manufacturer supplier distributor in Mumbai, Kandla, Kolkata, Vizag, Chennai, India, Fujairah, Dubai, Sharjah, UAE, Gulf, Middle East, Muscat Oman, Kenya Africa. Get the best quality of CONGO RED at a competitive price from us. We have ready stock of CONGO RED in India, UAE Gulf, Oman, Kenya Africa. Contact us for bulk as well as small orders.
SURAT CHEMICAL TAG::
Congo red excellent quality manufacturer, exporter and supplier. Congo red is an organic compound, the sodium salt of 3,3′-([1,1′-biphenyl]-4,4′-diyl)bis(4-aminonaphthalene-1-sulfonic acid. It is an azo dye. Congo red is water-soluble, yielding a red colloidal solution; its solubility is greater in organic solvents. However, the use of Congo red has long been abandoned, primarily because of its carcinogenic properties.
We introduce ourselves as one of the leading exporters of , pH Indicators, Chemicals reagents & Catalysts.
We give you brief details of our products as under -
Product Name CAS NoProduct Name Cas No
ACID FUCHSIN 3244-88-0JANUS GREEN B 2869-83-2
ALIZARIN RED S 130-22-3LEISHMAN'S STAIN 12627-53-1
ALIZARIN COMPLEXONE
MALACHITE GREEN
13425-25-7
ALKALI BLUE 6B 1324-80-7METHYL ORANGE 547-58-0
METHYL BLUE ACID BLUE 93 28983-56-4META CRESOL PURPLE
AURIN (Rosolic Acid) 603-45-2MAGNESON I -- --
AZURE 1 (B) 531-55-5May & Grunwald Stain 62851-42-7
AZURE A 531-53-3METHYLENE BLUE 7220-79-3
AZUR II 37247-10-2METHYL RED 493-52-7
BIEBRICH SCARLET 4196-99-0METHYL GREEN 7114-03-6
BASIC FUCHSIN 632-99-5NEW FUCHSIN 3248-91-7
BROMOPHENOL BLUE 115-39-9NILE BLUE (SULFATE) 3625-57-8
BROMOCRESOL GREEN 76-60-8NITROSO R-SALT 525-05-3
BROMOCRESOL PURPLE 115-40-2NEUTRAL RED 553-24-2
BROMOCRESOL PURPLE SODIUM SALT 62625-28-9ORANGE G 1936-15-8
BROMOTHYMOL BLUE 76-59-5O-CRESOLPHTHALEIN 59-27-0
BROMOTHYMOL BLUE SODIUM SALT 34722-95-93PHENOL RED 143-74-8
CRESOL RED 1733-12-6PHENOL RED SODIUM SALT 34487-61-1
CHLOROPHENOL RED 4430-20-0PHLOXINE B 18472-87-2
CHROME AZUROL S 1667-99-8PAN INDICATOR 85-85-8
CRYSTAL VIOLET 548-62-9PAR (Mono Sodium) 16593-81-0
O-CRESOLPHTHALEIN 59-27-0PONCEAU S 6226-79-5
CALCON 2538-85-4P-ROSANILINE HCL 569-61-9
CALCON CARBOXYLIC ACID 3737-95-9PHENOLPHTHALEIN
CALMAGITE 3147-14-6ROSE BENGAL 632-69-9
CONGO RED 573-58-0SAFRANIN 477-73-6
CHROMOTROPE 2 R 4197-07-3SUDAN III 85-86-9
DI ETHYL SAFRANINE
4569-86-2THYMOLPHTHALEIN 125-20-2
DI METHYL SAFRANINE
2390-56-9THIOFLAVIN T 2390-54-7
2,6 DICHLOROINDOPHENOL SODIUMSALT
620-45-1THYMOL BLUE 76-61-9
EOSIN YELLOW 17372-87-1TITAN YELLOW 1829- 00-1
ERIOCHROME BLACK T 1787-61-7TOLUIDINE BLUE 92-31-9
Ethyl Orange Sodium Salt 62758-12-7TRYPAN BLUE 72-57-1
EVAN'S BLUE 314-13-6WRIGHT'S STAIN 68988-92-1
FIELD STAIN A XYLENOL ORANGE 3618-43-7
FIELD STAIN B ACRIFLAVINE HCL 8063-24-9
FLUORESCEIN 2321-07-5ACID BLUE 93 28983-56-4
FLUORESCEIN SODIUM 518-47-8P-ROSANILINE BASE 467-62-9
FLUORESCEIN COMPLEXONE 1461-15-0P-ROSANILINE ACETATE 6035-94-5
GIEMSA'S STAIN 51811-82-6ZINCON 62625-22-3
HYDROXY NAPHTHOL BLUE 63451-35-41- NAPHTHOLBENZEIN 145-50-6
HEMATOXYLIN STAIN 517-28-2ESOIN B 548-24-3
NEW INDICATORS
ALIZARIN YELLOW GG 584-42-9NITRAZINE YELLOW 1716-22-9
ALCIAN BLUE 8GX --NAPHTHOL GREEN B 19381-50-1
O-Cresolphthalein Complexone 2411-89-4ORCEIN 1400-62-0
LITMUS GRANULES 1393-92-6PYROCATECHOL VIOLET 115-41-3
BROMOXYLENOL BLUE 40070-59-5PYROGALLOL RED 32638-88-3
BROMOPHENOL RED 2800-80-8TETRAZOLIUM BLUE CHLORIDE 1871-22-3
BRILLIANT CRESYL BLUE 81029-05-2SUDAN IV 85-83-6
C.A.S. No.573-58-0
CI NO.22120
M.F.C32H22N6Na2O6S2
M.W.696.66gm/mole
Specifications:
Dye Content (by Spectrophotometry)>75%
Transition RangepH 3.0-5.2
Violet-Orange Red
Solubility 0.1% (Dist. Water)Clear solution
Absorption Maximum (Dist.Water) ?max495-499nm
Absorptivity (A1%, 1cm in Water, at ?max)>520
Loss On Drying (110°C)<5%
Suitability for microscopyPasses test
Mol. weight: 696.665 g/mol
Odor: Odorless.
Color: Red. Brownish-red. (Dark.)
pH (1% soln/water): 8.5 - 9.0 [Basic.]
Melting Point: >360°C (680°F)
Solubility: Soluble in cold water. Very slightly soluble in acetone. Insoluble in diethyl ether. Soluble in Ethanol. Solubility in water: 1g/30 ml water
Congo red was formerly used to dye cotton but has been superseded by dyes more resistant to light and to washing. It is still used in histology to stain tissues for microscopic examination, and to serve as an acid-base indicator, since it turns red in the presence of alkalies and blue when exposed to acids.
Congo Red is an inverse ph indicator.
Congo Red is an acid-base indicator and it turns red when it comes in contact with bases or alkalies and turns blue in presence of acids.Congo red is water-soluble compound and its solubility is greater in organic solvents. Congo Red is a heterocyclic aromatic chemical compound with molecular formula, C32H22N6Na2O6S2
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