Product Short Description: THYMOLPHTHALEIN ACS GRADE chemicals name is 3,3-Bis(4-hydroxy-5-isopropyl-2-methylphenyl)-2-benzofuran-1(3H)-one
Product Technical Specification:
C.A.S. No.
125-20-2
M.F.
C28H30O4
M.W.
430.54gm/mole
Specifications:
Transition range
pH 9.3-10.5
Colorless-Blue
Solubility 0.1 % (95% EtOH)
Clear solution
Absorption maximum (0.1N NaOH) ?max
592-596nm
Absorptivity (A1%/1cm at 0.1NNaOH, at ?max)
>1000
Loss on drying (110°C)
<1%
Remarks:
InChI Key : LDKDGDIWEUUXSH-UHFFFAOYSA-N
Thymolphthalein acts as pH indicator, as reagent for blood after decolorizing the alkaline solution by boiling with zinc dust. . Also used to model communicable disease transmission and the importance of lab cleanliness.Thymolphthalein was suitable as indicator during titration of hyamine hydroxide. It is suitable in preparing disappearing ink.
Product Short Description: If the acid used in the working mixture of hydrofluoric acid (45%), it would take 1.55 times more than if we use a dry ammonium bifluoride.
Product Technical Specification:
CAS Number: 1341-49-7
UN number: 1727
Boiling point: 240 °C (464 °F; 513 K)
EC Number: 215-676-4
Molecular Weight: 57.04 g/mol
Molecular Formula: NH4HF2
Ammonium bifluoride [NH4.HF2]
Melting point :124.6°C (Sublimes at higher temperature)
Boiling point : 239.5°C
When dissolved in water, cooling takes place. Material is Hygroscopic at 50% humidity.
Analysis
Appearance : White crystalline solid (Orthorhombic crystals)
Solubility in water : 60.2 g at 20°C and 156.4g at 60°C per 100ml of water
Solubility in HCl : 10% (w/v) sample is soluble in 15% (w/w) of HCl at 25°C
*Assay: Weigh accurately about 1.0gm of Ammonium bi fluoride sample. Dissolve it in 100ml distilled water. Titrate with about 1N NaOH. Use Phenolphthalein as indicator. End point is Colourless to Pink.
% acidity as HF = A / B
1st calculate Consumption of NaOH, B.R. X Normality of NaOH X 0.02 X 100 = A
Then Divided the result with " Weight of the sample " = B
%NH4HF= %acidityasHFx57 / 20
Remarks:
Ammonium bifluoride is a white crystal salt chemically when ammonium bifluoride comes in contact with water resulting with the formation of HF. It is used to brighten aluminum and other metals.
Product Short Description: High quality product classified as a vegetable oil, animal oil, fat, fuel oil, lube oil and pet coke residues general remover/cleaner applied to cargo and storage tanks as well as to other systems. Furthermore, it removes carbonaceous deposits.
Product Technical Specification:
Tank Cleaner Alkaline Swift is a mixture of emulsifiers, surfactants. Heavy duty water based tank cleaner Does not contain nonyl phenol ethoxylates or other estrogenic compounds Biodegradable Free from hydrocarbon solvents
Benefits It has numerous tank cleaning applications including removal of natural oils and fats Ideal for cleaning after wax deposits Suitable for removal of soot deposits from inert gas systems Can be used for deodorizing, gas and hydrocarbon-freeing of tanks Effective and economical Completely safe on epoxy coatings
.
Remarks:
RXSOL-20-2004-210 is a mixture of emulsifiers, surfactants, corrosion inhibitors and rust preventives, being non-caustic very gentle on hand & ideal for cleaning walls metal and other areas.
Caustic free property of this product helps and prevents the corrosion of metal such as zinc, aluminium, copper, brass and tin. Specialized for cargo tank cleaning and gas freeing of tanks.
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.
