Stains Indicator Reagents-69

Product Short Description: CROCEIN ORANGE G

Product Technical Specification:

C.A.S. No.	1934-20-9
CI NO.	15970
M.F.	C16H11N2SO4Na
M.W.	350.33gm/mole

Specifications:

Dye Content (by Spectrophotometry)	>70%
Solubility in 0.1% (in Dist. Water)	Clear solution
Absorption maximum (in Dist. water)	482-486nm
Absorptivity 1%/1cm at ?max	>460
Loss On Drying (110°C)	<5%

Remarks:

Hashtag: #MarineChemical #TankCleaner #OilFieldChemical #ChemicalManufacturer #ChemicalSupplier #WaterTreatmentChemical #ROchemicals #ReverseOsmosisChemical #Dispersant #Demulsifier #WaterlessHandCleaner #AirC

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4',5'-DIBROMOFLUORESCEIN

Product Short Description: 4',5'-DIBROMOFLUORESCEIN

Product Technical Specification:

C.A.S. No.	596-03-2
M.F.	C20H10 Br 2O5
M.W.	332.31gm/mole

Specifications:

Dye Content (by Spectrophotometry)	>90%
Solubility 0.1 % (MeOH+1ml 1N HCl )	Clear solution
Absorption Maximum(MeOH+1ml 1N HCl) ?max	445-450nm
Absorptivity (A1% 1cm in Methanol+1ml 1N HCl at ?max)	>300
Loss On Drying (110°C)	<3%

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2,6-DICHLOROPHENOL INDOPHENOL SODIUM SALT ACS GRADE

Product Short Description: 2,6-DICHLOROPHENOL INDOPHENOL SODIUM SALT (ACS GRADE)

Product Technical Specification:

C.A.S. No.	620-45-1
M.F.	C12H5Cl2NNaO22H2O
M.W.	326.11gm/mole

Specifications:

Solubility 0.1% ((50% EtOH +2ml Na2CO3)	Clear solution
Absorption maximum (50% EtOH +2ml Na2CO3) ?max	640-645nm
Absorptivity (A1%/1cm, in 50% EtOH +2ml Na2CO3), at ?max	>700
Interfering dyes test (according to ACS)	Passes test
Loss On Drying (110°C)	<12%

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EOSIN BLUE

Product Short Description: EOSIN BLUE

Product Technical Specification:

C.A.S. No.	548-24-3
CI NO.	45400
M.F.	C20H6Br2N2Na2O9
M.W.	624.09gm/mole

Specifications:

Dye content (By Gravimetry)	>85%
Solubility 0.1 % (Dist. Water)	Clear solution
Absorption maximum (Dist. water) ?max	516-520nm
Absorptivity (A1%1cm in water at ?max)	>800
Loss On Drying (110°C)	<8%

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CRESOL RED ACS GRADE

Product Short Description: CRESOL RED (ACS GRADE)

Product Technical Specification:

C.A.S. No.	62625-29-0
M.F.	C21H17O5SNa
M.W.	404.42gm/mole

Specifications:

DYE CONTENT	MIN 95%
Transition Range	pH 6.5-8.8 ( Yellow-Purple )
	pH 0.5 - 1.8 ( Pink - Yellow )
Absorption maximum (pH 0.5) Lambda 1max	517 - 520nm
Absorption maximum (pH 2.5) Lambda 2max	432-437nm
Absorption maximum (pH 6.5) Lambda 3max	432-437nm
Absorption maximum (pH 8.8) Lambda 4max	571-575nm
Absorptivity (A1%/1cm at pH 0.5 at Lambda 1max)	1180-1230
Absorptivity (A1%/1cm at pH 2.5 at Lambda 2max)	490-540
Absorptivity (A1%/1cm at pH 6.5 at Lambda 3max)	490-540
Absorptivity (A1%/1cm at pH 8.5 at Lambda 4max)	1000-1050
Loss On Drying (110°C)	<5%

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o-CRESOLPHTHALEIN COMPLEXONE

Product Short Description: o-CRESOLPHTHALEIN COMPLEXONE

Product Technical Specification:

C.A.S. No.	2411-89-4
M.F.	C32H32N2 O12
M.W.	636.62gm/mole

Specifications:

Solubility 0.1% (0.1N NaOH)	Clear solution
Absorption maximum (0.1N NaOH) at ?max	572-578nm
Absorptivity (A1%1cm in 0.1N NaOH, at ?max on dried substance)	>790
Loss On Drying (110°C)	<6%

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CRESOL RED SODIUM SALT ACS GRADE

Product Short Description: CRESOL RED SODIUM SALT (ACS GRADE)

Product Technical Specification:

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m-CRESOL PURPLE

Product Short Description: m-CRESOL PURPLE

Product Technical Specification:

C.A.S. No.	2303-01-7
M.F.	C21H18O5S
M.W.	382.43gm/mole

Specifications:

Appearance	Green to Brown Powder
Transition Range	pH 7.4-9.0
	Brownish Yellow-Violet
Solubility 0.1%(50% EtOH)	Clear solution
Absorption maximum (0.1N NaOH) ?max	578-584nm
Absorptivity 1%,1cm,(0.1 N NaOH, at ?max)	800-900
Loss On Drying (110°C)	<3%

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CHROMOTROPE 2B

Product Short Description: CHROMOTROPE 2B

Product Technical Specification:

C.A.S. No.	548-80-1
CI NO.	16575
M.F.	C16H9N3Na2O10S2
M.W.	513.37gm/mole

Specifications:

Dye Content (by Spectrophotometry)	>75%
Solubility 0.1 % (Dist. water)	Clear solution
Absorption maximum (Dist. Water) ?max	512-518nm
Absorptivity (A1%1cm in Water, at ?max)	>575
Loss On Drying (110°C)	<8%

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CHROMOTROPE 2R

Product Short Description: CHROMOTROPE 2R

Product Technical Specification:

C.A.S. No.	4197–07–3
CI NO.	16570
M.F.	C16H10N2Na2O8S2
M.W.	468.37gm/mole

Specifications:

Dye Content (by Spectrophotometry)	>75%
Solubility 0.1 % (MeOH)	Clear solution
Absorption maximum (MeOH) ?max	510+/-4nm
Absorptivity (A1%1cm in MeOH at ?max)	>485
Loss On Drying (110°C)	<10%

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RX SOL

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CROCEIN ORANGE G

4',5'-DIBROMOFLUORESCEIN

2,6-DICHLOROPHENOL INDOPHENOL SODIUM SALT ACS GRADE

EOSIN BLUE

CRESOL RED ACS GRADE

o-CRESOLPHTHALEIN COMPLEXONE

CRESOL RED SODIUM SALT ACS GRADE

m-CRESOL PURPLE

CHROMOTROPE 2B

CHROMOTROPE 2R

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