CAS number: 25013-16-5
EINECS EC code number: 246-563-8
Molecular Weight: 180.2
Chemical Formula: C11H16O2
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Typical Analysis & Butylated hydroxyanisole specifications:
Butylated hydroxyanisole is a white to slightly yellow waxy flakes with characteristic odor.
It is freely soluble in alcohol, propylene glycol. It is insoluble in water.
Test ---------------- Result ----- Specification
Melting Point -------- 62.6C ------ 48C to 63C
Residue on ignition ---0.018% ----- 0.05% max
Arsenic -------------- <1ppm ------ 3ppm max
Assay --------------- 99.06% ----- 98.5% min of C11H16O2
Packing will be 25-50 kg or 50 lbs in bags or drums or as desired by the buyer.
Butylated Hydroxyanisole USP NF Grade
tert-Butyl-4-methoxyphenol [CAS number 25013-16-5].
Butylated Hydroxyanisole contains not less than 98.5 percent of C11H16O2.
Packaging and storage: Preserve in well-closed containers.
Identification: To 5 mL of a 1 in 10,000 solution in 72% alcohol add 2 mL of sodium borate solution (1 in 50) and 1 mL of a 1 in 10,000 solution of 2,6-dichloroquinone-chlorimide in dehydrated alcohol, and mix: a blue color is produced.
Residue on ignition: not more than 0.01%, determined on a 10-g specimen.
Heavy metals: 0.001%.
Organic volatile impurities: meets the requirements.
BHA FCC Food Grade
CAS No: 25013-16-5
BHA occurs as a white or slightly yellow, waxy solid. It is predominantly 3-tert-butyl-4-hydroxyanisole (3-BHA), with varying amounts of 2-tert-butyl-4-hydroxyanisole (2-BHA). It melts between 48C and 63C. It is freely soluble in alcohol and in propylene glycol, and insoluble in water.
Butylated Hydroxyanisole BP Grade
Butylhydroxyanisole Ph Eur
CAS No: 25013-16-5
Action and use: Antioxidant.
Butylhydroxyanisole is 2-(1,1-dimethylethyl)-4-methoxyphenol containing not more than 10 per cent of 3-(1,1-dimethylethyl)-4-methoxyphenol.
A white, yellowish or slightly pinkish, crystalline powder, practically insoluble in water, very soluble in methylene chloride, freely soluble in alcohol and in fatty oils. It dissolves in dilute solutions of alkali hydroxides.
A. Examine the chromatograms obtained in the test for related substances. The principal spot in the chromatogram obtained with test solution (b) is similar in position, colour and size to the principal spot in the chromatogram obtained with reference solution (a).
B. To 0.5 ml of solution S (see Tests) add 10 ml of aminopyrazolone solution and 1 ml of potassium ferricyanide solution. Mix and add 10 ml of methylene chloride. Shake vigorously. After separation, the organic layer is red.
C. Dissolve about 10 mg in 2 ml of alcohol. Add 1 ml of a 1 g/l solution of testosterone propionate in alcohol and 2 ml of dilute sodium hydroxide solution. Heat in a waterbath at 80C for 10 min and allow to cool. A red colour develops.
Solution S: Dissolve 2.5 g in alcohol R and dilute to 25 ml with the same solvent.
Appearance of solution: Solution S is clear and not more intensely coloured than intensity 5 of the range of reference solutions of the most appropriate.
Related substances: To pass the test --- (0.5 per cent).
Heavy metals: 1.0 g complies with limit test C for heavy metals (10 ppm). Prepare the standard using 1 ml of lead standard solution (10 ppm Pb).
Sulphated ash: Not more than 0.1 per cent, determined on 1.0 g.
Store protected from light.
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