Metanil Yellow

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Product Short Description: ACID YELLOW 36
Product Technical Specification:
C.A.S. No.  587-98-4
CI NO. 13065
M.F. C18H14N3O3SNa
M.W. 375.391 gm/mole

Specifications Acid yellow 36:

 

Solubility 0.1% (Dist. Water) Clear solution
Absorptivity (A1%, 1cm in Water, at ?max 530.0nm >650
Loss On Drying (110°C) Moisture >5%
Remarks:

Metanil Yellow which is also called Acid yellow 36 is used in printing on paper, dyeing on fibres, silk, Wool, nylon, silk, paper, ink, aluminum, detergent, wood, fur, cosmetics, biological stain etc.

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Laundry Emulsifier (Conc)

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Product Short Description: Laundry Emulsifier detergent contains a blend of nonionic and anionic surfactants and fluorescent whitening agent.
Product Technical Specification:

 

Form         Liquid
Colour Clear
Odour Charachteristic
Boiling point and boiling range  Not Determine
Flash Point 72°C
Bulk Density 0.89 - 0.97
pH 6 -7
Solubility in Water Soluble
 
Remarks:
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BIEBRICH SCARLET

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Product Short Description: Biebrich scarlet: an acid azo dye that is used as a biological stain for cytoplasm. Fluorescent labeling of white cells in tissue samples
Product Technical Specification:
C.A.S. No. 4196-99-0
CI NO. 26905
M.F. C22H14N4Na2O7S2
M.W. 556.49gm/mole

Specifications:

 

Dye Content (by Spectrophotometry) >70%
Solubility 0.1% (Dist. Water) Clear solution
Absorption Maximum (Dist. Water) ?max 506-510nm
Absorptivity (A1%/1cm,in water at ?max on dried substance) 530-740
Loss On Drying (110°C) <15%
Suitability for microscopy Passes test
Remarks:
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NILE RED

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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%
Remarks:
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NITROSO-R-SALT

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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%
Remarks:
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PAN INDICATOR

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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
Remarks:
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PAR INDICATOR MONOSODIUM SALT

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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
Remarks:
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PARAROSANILINE HYDROCHLORIDE

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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
Remarks:
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PHENOL RED ACS GRADE

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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%
Remarks:
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PHENOL RED SODIUM SALT ACS GRADE

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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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PONCEAU S

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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

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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%
Remarks:
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