2023-06-12TBHQ E319 Tert-Butylhydroquinone (TBHQ, tertiary butylhydroquinone)
Product: Tert-butyl hydroquinone（ TBHQ）
Chemical Name: tert-Butylhydroquinone or mono-tert-Butylhydroquinone
Chemical Formula：C10H14O2
Molecular Weight：166.22
CAS: 1948-33-0
EINECS Number: 217-752-2
Identifications:
Dissolve a few milligrams of sample in 1 mL of methanol, and add a few drops of a 25% solution of dimethylamine in water. A pink to red color appears.
Physical Character:
Occurs as a white, crystalline solid. It is soluble in alcohol and in ether, and it is practically insoluble in water.
SPECIFICATION (FCC ):
|
ITEM |
STANDARD LIMITS |
|
Assay(%) |
NLT 99.0% of TBHQ(C10H14O2) |
|
Tert-Butyl-p-Benzoquinone (%) |
NMT 0.2 |
|
2,5-Di-Tert-Butylhydroquinone (%) |
NMT 0.2 |
|
Hydroquinone (%) |
NMT 0.1 |
|
Toluene (%) |
NMT 0.0025 |
|
Melting Range (°) |
Between 126.5 and 128.5 |
|
Lead(mg/kg) |
NMT 2 |
|
UV-Absorbance (Polynuclear Hydrocarbons) |
Complies with FCC |
Packaging: Sealed polyethylene bags in fiber drum.
Storage Conditions: Store in cool and dry location with fresh, clean and circulating air. Protect from direct sunlight, microbial and other contamination.
Shelf Life:3 years in original packaging containers.
