Stains Indicator Reagents-69

Product Short Description: ROSE BENGAL

Product Technical Specification:

C.A.S. No.	632-69-9
CI NO.	45440
M.F.	C20H2O5Cl4I4Na2
M.W.	1017.65gm/mole

Specifications:

Dye Content (by Spectrophotometry)	>90%
Solubility 0.1% (Dist. water)	Clear solution
Absorption max. (Water+2ml 5% Na2CO3) ?max	544-550nm
Absorptivity (A1%/1cm, in Water+2ml 5% Na2CO3) at ?max	>910
Loss on drying (110°C)	<10%

Remarks:

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

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PHENOL RED SODIUM SALT ACS GRADE

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

Product Technical Specification:

C.A.S. No.	34487-61-1
M.F.	C19H13O5SNa
M.W.	376.36gm/mole

Specifications:

Dye Content (by Spectrophotometry)	>90%
Solubility 0.1 % (Dist. water)	Clear solution
Transition range	pH 6.5-8.2
	Yellow-Reddish violet
Absorption Maximum (pH 6.5) ?1max	430-435nm
Absorption maximum (pH 8.2) ?2max	557-560nm
Absorptivity (A1%/1cm at pH 6.5 at ?1max)	560-620
Absorptivity (A1%/1cm at pH 8.2 at ?2max)	970-1100
Loss on drying (110°C)	<5%

Remarks:

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PHENOL RED ACS GRADE

Product Short Description: PHENOL RED (ACS GRADE)

Product Technical Specification:

C.A.S. No.	143-74-8
M.F.	C19H14O5S
M.W.	354.38gm/mole

Specifications:

Colour	Red / Orange Powder
Dye Content (by Spectrophotometry)	>95%
Solubility 0.1 % (95% EtOH)	Clear solution
Transition range	pH 6.5-8.2
	Yellow-Reddish violet
Absorption Maximum (pH 6.5) ?1max	430-435nm
Absorption maximum (pH 8.2) ?2max	557-560nm
Absorptivity (A1%/1cm at pH 6.5 at ?1max)	600-700
Absorptivity (A1%/1cm at pH 8.2 at ?2max)	1100-1200
Loss on drying (110°C)	<1%

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PONCEAU S

Product Short Description: PONCEAU S

Product Technical Specification:

C.A.S. No.	62276-79-5
CI NO.	27195
M.F.	C22H12N4Na4O13S4
M.W.	760.58gm/mole

Specifications:

Dye Content (by Spectrophotometry)	>75%
Solubility 0.1% (Dist. water)	Clear solution
Absorption max. (Dist. water) ?max	517-523nm
Absorptivity (A1%/1cm in Dist. water, at ?max)	460-600
Loss on drying (110°C)	>10%
Suitability for microscopy	Passes test

Remarks:

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PYROGALLOL RED

Product Short Description: PYROGALLOL RED

Product Technical Specification:

C.A.S. No.	32638-88-3
M.F.	C19H14O9S
M.W.	418.39gm/mole

Specifications:

Solubility 0.1% (0.1N NaOH)	Clear solution
Absorption maximum (in acidic MeOH) ?max	474-478nm
Absorptivity 1%, 1cm (in acidic MeOH) at ?max	>450
Loss on drying (110°C)	<5%

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PAN INDICATOR

Product Short Description: PAN INDICATOR

Product Technical Specification:

C.A.S. No.	85-85-8
M.F.	C15H11N3O
M.W.	249.27gm/mole

Specifications:

Solubility 0.1 %(0.1N EtOH)	Clear solution
Absorption Maximum (in EtOH) ?max	462-466nm
Absorptivity (A1%/1cm in EtOH, at ?max)	>670
Loss on drying (110°C)	<5%
Suitability as metal indicator	Passes test

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PARAROSANILINE HYDROCHLORIDE

Product Short Description: PARAROSANILINE HYDROCHLORIDE

Product Technical Specification:

C.A.S. No.	569-61-9
CI NO.	42500
M.F.	C19H18ClN3
M.W.	323.83gm/mole

Specifications:

Appearance	Green Crystalline Powder with Luster
Dye Content (by Spectrophotometry)	>88%
Water Content	0.5% Max
Water Insoluble Matter	0.2% Max
Solubility 0.1 % (50% EtOH)	Clear solution
Absorption Maximum (50% EtOH) ?max	545-548nm
Absorptivity (A1%/1cm in 50% EtOH, at ?max)	>2550
Loss on drying (110°C)	<10%
Suitability for microscopy	Passes test

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PAR INDICATOR MONOSODIUM SALT

Product Short Description: PAR INDICATOR MONOSODIUM SALT

Product Technical Specification:

C.A.S. No.	16593-81-0
M.W.	255.21gm/mole

Specifications:

Dye Content (by Spectrophotometry)	>90%
Solubility 0.1 % (Dist. water)	Clear solution
Absorption Maximum (in Dist. water) ?max	411-413nm
Absorptivity (A1%/1cm in Dist. water ,at ?max)	>1300
Loss on drying (110°C)	<8%
Suitability as metal indicator	Passes test

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NILE RED

Product Short Description: NILE RED

Product Technical Specification:

C.A.S. No.	7385-67-3
M.F.	C20H18N2O2
M.W.	318.38gm/mole

Specifications:

Solubility 0.1% (MeOH)	Clear solution
Absorption maximum (MeOH) ?max	551-554nm
Absorptivity (A1%/1cm in MeOH, at ?max)	>1400
Loss On Drying (110°C)	<1%

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NITROSO-R-SALT

Product Short Description: NITROSO-R-SALT

Product Technical Specification:

C.A.S. No.	525-05-3
M.F.	C10H5O8NNa2S2 . xH2O
M.W.	377.26gm/mole

Specifications:

Solubility 0.1% (Dist. Water)	Clear solution
Absorption maximum (0.1N NaOH) ?max	422-426nm
Absorptivity (A1%/1cm in 0.1N NaOH, at ?max)	>200
Residue on ignition (as sulfate)	37%
Loss on drying (105°C)	<1%

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RX SOL

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