Tbhq

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Molecular Formula : C10H14O2
TestsSpecifications
1.DESCRIPTIONA white crystalline powder having a characteristic odour. It is soluble in alcohol and practically insoluble in water.
2.IDENTIFICATIONPositive
3.ARSENIC (as As)Max. 3 PPM
4.tert-BUTYL-p-BENZOQUINONE(IR)Max. 0.2%
5.2,5-Di-tert-BUTYL HYDROQUINONE (GC)Max. 0.2%
6.HEAVY METALS (as Pb)Max. 2 PPM
7.HYDROQUINONE CONTENT (GC)Max. 0.1%
8.MELTING RANGEBetween 126.5 &128.5oC
9.(GC)Max. 0.0025%
10.ULTRAVIOLET ABSORBANCE (POLYNUCLEAR HYDROCARBON)Passes the Test
11.ASSAYMin. 99% of C10H14O2