Tert-Butylhydroquinone

tert-Butylhydroquinone

Names
Preferred IUPAC name 2-tert-Butylbenzene-1,4-diol
Other names TBHQ(i)
Identifiers
CAS Number	1948-33-0 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:78886 N
ChEMBL	ChEMBL242080 N
ChemSpider	15235 Y
DrugBank	DB07726 Y
ECHA InfoCard	100.016.139
EC Number	217-752-2
E number	E319 (antioxidants, ...)
PubChem CID	16043
UNII	C12674942B
CompTox Dashboard (EPA)	DTXSID6020220
InChI InChI=1S/C10H14O2/c1-10(2,3)8-6-7(11)4-5-9(8)12/h4-6,11-12H,1-3H3 Y Key: BGNXCDMCOKJUMV-UHFFFAOYSA-N Y InChI=1/C10H14O2/c1-10(2,3)8-6-7(11)4-5-9(8)12/h4-6,11-12H,1-3H3 Key: BGNXCDMCOKJUMV-UHFFFAOYAP
SMILES Oc1ccc(O)cc1C(C)(C)C
Properties
Chemical formula	C10H14O2
Molar mass	166.220 g·mol−1
Appearance	Tan powder
Density	1.050 g/mL
Melting point	127 to 129 °C (261 to 264 °F; 400 to 402 K)
Boiling point	273 °C (523 °F; 546 K)
Solubility in water	Slightly soluble
Acidity (pKa)	10.80±0.18
Hazards
Occupational safety and health (OHS/OSH):
Main hazards	Harmful
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H302, H312, H315, H317, H319, H335, H400
Precautionary statements	P261, P264, P270, P271, P272, P273, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P333+P313, P337+P313, P362, P363, P391, P403+P233, P405, P501
Flash point	171 °C (340 °F; 444 K)
Safety data sheet (SDS)	External MSDS
Related compounds
Related compounds	Butylated hydroxyanisole (BHA) 4-tert-Butylcatechol (TBC)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

tert-Butylhydroquinone (TBHQ, tertiary butylhydroquinone) is a synthetic aromatic organic compound which is a type of phenol. It is a derivative of hydroquinone, substituted with a tert-butyl group.