THYMOL BLUE ACS GRADE

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Product Short Description: THYMOL BLUE (ACS GRADE)
Product Technical Specification:

 

C.A.S. No. 76-61-9
M.F. C27H30O5S
M.W. 466.60gm/mole

Specifications:

Dye Content (by Spectrophotometry) >95%
Solubility 0.1 % (95% EtOH) Clear solution
Transition range pH7.8-9.5
  Yellow-Blue
Absorption Maximum (pH 7.8) ?1max 431-436nm
Absorption maximum (pH 9.5) ?2max 594-598nm
Absorptivity (A1%/1cm at pH 7.8 at ?1max) 200-300
Absorptivity (A1%/1cm at pH 9.5 at ?2max) 450-550
Loss on drying (110°C) <3%
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SUDAN IV

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Product Short Description: SUDAN IV
Product Technical Specification:
C.A.S. No. 85-83-6
CI NO. 26105
M.F. C24H20N4O
M.W. 380.45gm/mole

Specifications:

Appearance Brown Powder
Solubility 0.1 % (Toluene) Clear solution
Absorption maximum (Toluene) ?max 520-523nm
Absorptivity (A1%/1cm in Toluene, at ?max) >710
Suitabillity for Microscopy To Pass Test
Loss on drying (110°C) <1%
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SUDAN III

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Product Short Description: SUDAN III
Product Technical Specification:
C.A.S. No. 85-86-9
CI NO. 26100
M.F. C22H16N4O
M.W. 352.40gm/mole

Specifications:

Dye Content (by Spectrophotometry) >85%
Solubility 0.1 % (Toluene) Clear solution
Absorption maximum (Toluene) ?max 508-512nm
Absorptivity (A1%/1cm in Toluene, at ?max) >870
Loss on drying (110°C) <1%
Suitabilty for Microscopy To Pass Test
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SPADNS

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Product Short Description: SPADNS
Product Technical Specification:
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%
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SODIUM DIPHENYLAMINE SULFONATE ACS GRADE

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Product Short Description: SODIUM DIPHENYLAMINE SULFONATE (ACS GRADE)
Product Technical Specification:
C.A.S. No. 6152-67-6
M.F. C12H10NNaO3S
M.W. 271.27gm/mole

Specifications:

Solubility 0.1% (Dist. water) Clear solution
Sulfated ash 26.5-28.5%
Absorption maximum (Dist. water) ?max 290-295nm
Absorptivity (A1%/1cm in Dist. water) at ?max on dried substance 700-800
Sensitivity as indicator Passes test
Loss on drying (110°C) <5%
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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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1,3 DibromoPropane

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Product Short Description: 1,3-Dibromopropane is a halogenated hydrocarbon. When at room temperature, it is a colorless to light-brown liquid with sweet odor.
Product Technical Specification:

1,3-Dibromopropane Properties

Melting point:−34 °C(lit.)
Boiling point:167 °C(lit.)
Density 1.989 g/mL at 25 °C(lit.)
vapor density 7 (vs air)
refractive index n20/D 1.524(lit.)
Flash point:54 °Cstorage temp. 2-8°Csolubility 1.68g/lform Liquidcolor Clear colorless to yellowWater Solubility 1.7 g/L (30 ºC)Merck 14,9713Stability:Stable. Incompatible with strong oxidizing agents, strong bases. Flammable

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Litmus Granules / Powder

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Product Short Description: Litmus Granules / Powder
Product Technical Specification:
SPECIFICATIONS :
APPEARANCE : BLUE GRANULES
SENSITIVITY TEST : TO PASS TEST
SENSITIVITY TEST : TO PASS TEST SPECIFICATIONS :
APPEARANCE : BLUE GRANULES
SENSITIVITY TEST : TO PASS TEST 
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TRYPAN BLUE

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Product Short Description: TRYPAN BLUE
Product Technical Specification:
C.A.S. No. 72-57-1
CI NO. 23850
M.F. C34H24N6S4O14Na4
M.W. 960.82gm/mole

Specifications:

Dye Content (by Spectrophotometry) >60%
Solubility 0.1% (Dist. water) Clear solution
Absorption maximum (MeOH) ?max 603-607nm
Absorptivity (A1%/1cm in MeOH, at ? max) >625
Suitability for Microscopy Passes Test
Loss on drying (110°C) <10%
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ROSE BENGAL

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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%
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