Dimeticone or Dimethicone EP IP BP USP NF Suppliers Exporters, CAS 9006-65-9 or 9006-75-9 or 9016-00-6 or 63148-62-9 |
| Muby Group of USA & India is a pioneer manufacturers suppliers exporters & importers of chemicals including Dimeticone or Dimethicone EP IP BP USP NF, Hydraulic fracturing stimulation & oil well production chemicals, Pharmaceutical excipients and API, Fragrance & flavor chemicals. Muby Group has several manufacturing facilities and toll manufacturers across the globe. We have offices warehouses and representatives in Houston & Midland Texas and Chicago Illinois USA. |
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SDS MSDS of Dimeticone or Dimethicone Manufacturers
Dimeticone
Dimethicone CAS Number 9006-65-9 or 9006-75-9 or 9016-00-6 or 63148-62-9, EP IP BP USP NF Commercial & Pure
Dimethicone USP Grade Specifications
-(Trimethylsilyl)- -methylpoly[oxy(dimethylsilylene)] [CAS 9006-65-9].
Dimethicone is a mixture of fully methylated linear siloxane polymers containing repeating units of the formula: [–(CH3)2SiO–]n stabilized with trimethylsiloxy end-blocking units of the formula: [(CH3)3SiO–] wherein n has an average value such that the corresponding nominal viscosity is in a discrete range between 20 and 30,000 centistokes. It contains not less than 97.0 percent and not more than 103.0 percent of polydimethylsiloxane ([–(CH3)2SiO–]n). The requirements for viscosity, specific gravity, refractive index, and loss on heating differ for the several types of Dimethicone, as set forth in the accompanying table.
Identification: Its IR absorption spectrum, obtained as directed in the Assay, exhibits maxima only at the same wavelengths as that of USP Polydimethylsiloxane RS, obtained as directed in the Assay.
TESTS
Meets all the tests for Specifications of Benzoic Acid USP mongograph.
Dimeticone BP Ph Eur Grade Specifications
Ph Eur --- CAS 9006-75-9
Action and use: Antifoaming agent; water repellent. When dimethicone is demanded, Dimeticone shall be supplied.
DEFINITION
Poly(dimethylsiloxane) obtained by hydrolysis and polycondensation of dichlorodimethylsilane and chlorotrimethylsilane. Different grades of dimeticone exist which are distinguished by a number indicating the nominalkinematic viscosity placed after the name.
Their degree of polymerisation (n = 20 to 400) is such that their kinematic viscosities are nominally between 20 mm2.s-1 and 1300 mm2.s-1.
Dimeticones with a nominal viscosity of 50 mm2.s-1 or lower are intended for external use only.
CHARACTERS
Appearance: Clear, colourless liquid of various viscosities.
Solubility: Practically insoluble in water, very slightly soluble or practically insoluble in anhydrous ethanol, miscible with ethyl acetate, with methyl ethyl ketone and with phenylmethane.
IDENTIFICATION
A. It is identified by its kinematic viscosity at 25C (see Tests).
B. Infrared absorption spectrophotometry.
C. Heat 0.5 g in a test-tube over a small flame until white fumes begin to appear. Invert the tube over a 2nd tube containing 1 ml of a 1 g/l solution of chromotropic acid sodium salt in sulphuric acid so that the fumes reach the solution. Shake the 2nd tube for about 10 s and heat on a water-bath for 5 min. The solution is violet.
D. In a platinum crucible, prepare the sulphated ash using 50 mg. The residue is a white powder that gives the reaction of silicates.
TESTS
Meets all the tests for Specifications of Benzoic Acid BP Ph Eur mongograph.
Dimeticone IP EP is also supplied.
Dimeticone or Dimethicone EP IP BP USP NF Manufacturers:
Muby Group
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