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Polythylene Glycol, Macrogols BP Ph Eur IP Manufacturers

Anmol Chemicals Group, established in 1976, is the pioneer manufacturer of Specialty chemicals, Pharmaceutical Excipients, Fragrance & Flavor chemicals in India. Anmol Chemicals Group has manufacturing facilities spread across Western India, representatives in Houston Chicago USA, Dubai and UAE. We also have toll manufacturing units for processing chemicals in a few countries around the world. We make IP, BP, USP, Ph. Eur., FCC or Food Grade, Analytical Reagent Grade, LR or Laboratory Reagent Grade, Pure and Technical Grades of various chemicals. All our items are analyzed to meet the required standards. We can supply the material in grams for your laboratory trial and in tons for your plant scale jobs.

Our manufacturing facility is FDA approved and cGMP, GLP (FDA) Approved, ISO 9001, ISO 14001, ISO 17025, ISO 45001, ISO 22000, HACCP, FSSAI, FSSC 22000, Halal and Kosher certified. We are registered with "REACH" for export to European countries. Solid materials can be customized for particle size, shape and bulk density. We observe WHO Good Manufacturing Practice and Good Laboratory Practice. We are a STAR Export House and “Authorised Economic Operator” as per Indian customs.

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Polythylene Glycol, Macrogols SDS of Manufacturers

Polythylene Glycol, Macrogols

Synonyms: Polythylene Glycol, Macrogols
CAS Number: 25322-68-3, Molecular Weight: ----, Chemical Formula: H(OCH2CH2)nOH, EINECS EC Number: ----, FEMA: ----,

Macrogols BP Ph Eur Specifications:
Action and use: Non-ionic surfactant.

DEFINITION
Mixtures of polymers with the general formula H-[OCH2-CH2]n-OH where n represents the average number of oxyethylene groups. The type of macrogol is defined by a number that indicates the average relative molecular mass. A suitable stabiliser may be added.

CHARACTERS
Macrogols Type

IDENTIFICATION
A. Viscosity.
B. To 1 g in a test-tube add 0.5 mL of sulfuric acid, close the test-tube with a stopper fitted with a bent delivery tube and heat until white fumes are evolved. Collect the fumes via the delivery tube into 1 mL of mercuric chloride solution. An abundant, white, crystalline precipitate is formed.
C. To 0.1 g add 0.1 g of potassium thiocyanate and 0.1 g of cobalt nitrate and mix thoroughly with a glass rod. Add 5 mL of methylene chloride and shake. The liquid phase becomes blue.

TESTS
Appearance of solution: The solution is clear and not more intensely coloured than reference solution.
Dissolve 12.5 g in water and dilute to 50 mL with the same solvent.
Acidity or alkalinity: Dissolve 5.0 g in 50 mL of carbon dioxide-free water and add 0.15 mL of bromothymol blue solution. The solution is yellow or green. Not more than 0.1 mL of 0.1 M sodium hydroxide is required to change the colour of the indicator to blue.
Viscosity: The viscosity is calculated using a density given in Table 1444.-1.
For macrogols with a relative molecular mass greater than 400, determine the viscosity on a 50 per cent m/m solution of the substance to be examined.
Freezing point: See Table 1444.-2.
Hydroxyl value: Introduce m g (see Table 1444.-3) into a dry conical flask fitted with a reflux condenser. Add 25.0 mL of phthalic anhydride solution, swirl to dissolve and boil under a reflux condenser on a hot plate for 60 min. Allow to cool. Rinse the condenser first with 25 mL of pyridine and then with 25 mL of water, add 1.5 mL of phenolphthalein solution and titrate with 1 M sodium hydroxide until a faint pink colour is obtained (n1 mL). Carry out a blank test (n2 mL). Calculate the hydroxyl value using the following expression:

56.1*(n2-n1)/m

For macrogols with a relative molecular mass greater than 1000, if the water content is more than 0.5 per cent, dry a sample of suitable mass at 100-105C for 2 h and carry out the determination of the hydroxyl value on the dried sample.

Macrogol Density

Macrogol Freezing Point

Macrogols Hydroxyl Value

Reducing substances: Dissolve 1 g in 1 mL of a 10 g/L solution of resorcinol and warm gently if necessary. Add 2 mL of hydrochloric acid. After 5 min the solution is not more intensely coloured than reference solution.
Formaldehyde: Maximum 30 ppm.
Ethylene glycol and diethylene glycol: to pass the test.
Water: Maximum 2.0 per cent for macrogols with a relative molecular mass not greater than 1000 and maximum 1.0 per cent for macrogols with a relative molecular mass greater than 1000, determined on 2.00 g.
Sulfated ash: Maximum 0.2 per cent, determined on 1.0 g.

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Manufacturers

ANMOL CHEMICALS
Taloja Mumbai and Ankleshwar, INDIA
Representatives in Houston, Chicago and New York, USA
TEL: (OFF) +91 22 23726950, +91 22 23774610, +91 22 23723564

e-mail: info@anmol.org

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Last updated 1-apr-21

Calcium Chloride in Jumbo Bags Drum Packing Paletized and Shrink Wrapped Packing for Exports to USA UAE Africa Tanzania Turkey Kenya Dubai

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Representatives in New York, Houston - Texas, Chicago - Illinois, Los Angeles.

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Macrogols
Polythylene Glycol IP BP Ph Eur EP Grades Manufacturers
Polythylene Glycol, Macrogols