tert-Butylhydroquinone , Analysis of standard products,> 99%(GC) , 1948-33-0

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

CAS NO.：1948-33-0

Empirical Formula: C10H14O2

Molecular Weight: 166.22

MDL number: MFCD00002344

EINECS: 217-752-2

PRODUCT Properties

• 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)
• pka: 10.80±0.18(Predicted)
• form: Crystalline Powder
• 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.
• InChIKey: BGNXCDMCOKJUMV-UHFFFAOYSA-N
• 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)

Description and Uses

antioxidant in cosmetic products like lipsticks.

Safety

• 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
• 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: Yes
• HazardClass: 9
• PackingGroup: III
• HS Code: 29072900
• 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.
• Limited Quantities: 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)