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8.17074  Butylhydroxytoluene
Ph Eur, JPE, NF, E321

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23 April 2014

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Product number Packaging Qty/Pk Quantity Price Available to Ship
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8.17074.1000  Poly Bottle   1 kg 
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8.17074.1003  Poly Bottle   1 kg  loading
8.17074.5000  Poly Bottle   5 kg  loading
8.17074.9025  Fiber Carton   25 kg 
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Prices are subject to change without notice.
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Product information
Grade NF, Ph Eur
Synonyms BHT
Chemical formula C15H24O
Molar mass 220.36
CAS number 128-37-0
Comments Product Change Notification
Chemical and physical data
Molar mass 220.36
Specifications
Solidification temperature 69.2-70.0°C
Appearance White to yellowish crystalline powder
Sulfated ash 0.002% max
Mercury (Hg) 0.0001% max
Purity (GC) 99.0% min
tert-Butanol (GC) 1000ppm max
Diisobutylene (GC) 100ppm max
Related substances (TLC) 0.5% max
Residual solvent(PhEur/ICP/USP)class3 propan-2-ol 2000ppm max
Heavy metals 0.001% max
Identity (IR Spectrum) Passes
Appearance of solution (100g/L, Methanol) Clear, color not more iintense than reference soln
Absorption maximum (Ethanol) 277.0-279.0nm
Spec. Absorptivity A 1%/1cm (max 0.02g/l ethanol) 81-88
Other residual solvents (Ph.Eur/USP/ICH) Excluded by manufacturing process
Organic volatile impurities (according to USP) Conforms
Lead (Pb) 0.0005% max
Arsenic (As) 0.0003% max

© Merck KGaA, Darmstadt, Germany, 2014

All references to Merck refer to Merck KGaA, Darmstadt, Germany.


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