tert-Butylhydroquinone , 98% , 1948-33-0

Synonym(s):
2-(1,1-Dimethylethyl)-1,4-benzenediol;2-tert.-Butyl-1,4-dihydroxybenzene;NSC 4972;tert-Butylhydroquinone

Update time: 2022-07-08

Melting point:	127-129 °C(lit.)
Boiling point:	295 °C
Density	295
vapor pressure	0.004Pa at 25℃
refractive index	1.4859 (estimate)
Flash point:	171 °C
storage temp.	Store below +30°C.
solubility	DMSO (Slightly), Methanol (Slightly)
form	Crystalline Powder
pka	10.80±0.18(Predicted)
color	White to light tan, may contain black specs
Water Solubility	Slightly soluble in water(10g/L).
BRN	637923
Stability:	Stable. Incompatible with strong bases, strong oxidizing agents.
Cosmetics Ingredients Functions	FRAGRANCE PERFUMING ANTIOXIDANT
InChI	1S/C10H14O2/c1-10(2,3)8-6-7(11)4-5-9(8)12/h4-6,11-12H,1-3H3
InChIKey	BGNXCDMCOKJUMV-UHFFFAOYSA-N
SMILES	CC(C)(C)c1cc(O)ccc1O
LogP	1.521 at 25℃
CAS DataBase Reference	1948-33-0(CAS DataBase Reference)
NIST Chemistry Reference	1,4-Benzenediol, 2-(1,1-dimethylethyl)-(1948-33-0)
EPA Substance Registry System	tert-Butylhydroquinone (1948-33-0)

antioxidant in cosmetic products like lipsticks.

Symbol(GHS)	GHS07,GHS09
Signal word	Warning
Hazard statements	H302+H312-H315-H317-H319-H410
Precautionary statements	P273-P280-P301+P312+P330-P302+P352+P312-P305+P351+P338
PPE	dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes	Xn
Risk Statements	22-36/37/38
Safety Statements	26-36-28A
RIDADR	UN3077
WGK Germany	3
RTECS	MX4375000
Autoignition Temperature	855 °F
TSCA	TSCA listed
HazardClass	9
PackingGroup	III
HS Code	29072900
Storage Class	13 - Non Combustible Solids
Hazard Classifications	Acute Tox. 4 Dermal Acute Tox. 4 Oral Aquatic Acute 1 Aquatic Chronic 1 Eye Irrit. 2 Skin Irrit. 2 Skin Sens. 1
Hazardous Substances Data	1948-33-0(Hazardous Substances Data)
Toxicity	guinea pig,LD50,oral,790mg/kg (790mg/kg),WHO Food Additives Series. Vol. 8, Pg. 26, 1975.
REACH Registrations	Active
Limited Quantities	5.0 kg (11 lbs) (solid)
Excepted Quantities	Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)