Intermediates for Dyestuff Dyes Pigments Food Antioxidants   Tertiary Butyl Hydroquinone ( TBHQ ) Butylated Hydroxy Anisole ( BHA ) Polymer Antioxidants   Para methoxy phenol ( MEHQ ) In Organic Chemicals
	SPECIFICATION
	1 Chemical Name : TERTIARY BUTYL HYDROQUINONE 2 Chemical formula : C10H14O2 3 Molecular Weight : 166.21 4 Trade Name : TBHQ 5 CAS No. : 1948-33-0 6 EINECS No. : 217-752-2 7 NIOSH : MX 4375000
	Sr. No. PARAMETER NORMS ANALYSIS METHOD 1 Appearance White Crystalline Powder Visual 2 Purity by HPLC 99.00% Min HPLC 3 Melting Point 126.5°C to 128°C Capillary Melting Point 4 Tert. Butyl Benzo Quinone 0.20% Max HPLC 5 2.5 Di-ter-butyl Hydroquinone % by mass 0.20% Max HPLC 6 Arsenic (as AS) 3 ppm Max HPLC 7 Hydroquinone, % by mass 0.10% Max HPLC 8 Toluene 25 ppm Max HPLC 9 Heavy Metals (as Pb) 10 ppm Max HPLC 10 Soluble in Ethanol at 25°C 60% Solubility test in solvent 11 Soluble in Ethyl Acetate at 25°C 60% Solubility test in solvent 12 Soluble in Acetone 110% Solubility test in solvent 13 Soluble in Methanol at 25°C 100% Solubility test in solvent 14 Soluble in Ethyl ether at 32°C 115% Solubility test in solvent 15 Insoluble in water at 25°C <1% Insolubility test 16 Insoluble in Benzene at 25°C Insoluble Insolubility test 17 U.V.Absorbance (Spectra UV) E(1%-1cm) 210-230 Spectra U.V.
	[ Above parameters complies to Food grade ]
	Packaging Specification : 25 Kgs in Plastic drums with LDPE Liner inside. Storage Condition : Dry & Cool (Ambient Tem. 25°C.)
	Shelf life
	1) When the container is intact : 3 years from date of Manufacturing 2) When the container is open : Subject to external environment

                                            Tertiary Butyl Hydroquinone (TBHQ)