2,5-Dihydroxy-p-cymene

CAS NO.：2217-60-9
Empirical Formula: C10H14O2
Molecular Weight: 166.22
MDL number: MFCD00045782
SAFETY DATA SHEET (SDS)
Update Date: 2024-11-01 18:09:03

What is 2,5-Dihydroxy-p-cymene?

Chemical properties

Thymohydroquinone is a Prismatic crystals. Sublimes when heated. Soluble in hot water and alcohol, Practically insoluble in oils. The taste is equally woody-herbaceous, spicy, woody-Fennel-like at concentrations near 20 ppm.

The Uses of 2,5-Dihydroxy-p-cymene

Thymohydroquinone is a component of Black Cumin Seed Oil and Thyme. It is also a┬аreduction product of┬аThymoquinone (T413500), which is a phytochemical compound found in the plant Nigella sativa. Thymoquinone exhibits antioxidant and analgesic properties.

What are the applications of Application

2,5-Dihydroxy-p-cymene has been suggested for use in perfume compositions, and years ago also in flavors.

Preparation

2,5-Dihydroxy-p-cymene is prepared by reduction of Thymoquinone with Sulfurous acid or with the aid of a catalyst.

Properties of 2,5-Dihydroxy-p-cymene

Melting point:	148°C
Boiling point:	290°C (estimate)
Density	1.0060 (rough estimate)
refractive index	1.5277 (estimate)
storage temp.	Store at -20°C
solubility	DMF: 1 mg/mL; DMSO: 1 mg/mL; Ethanol: 2 mg/mL; Ethanol:PBS (pH 7.2) (1:9): 0.1mg/mL
form	A crystalline solid
pka	11.11±0.23(Predicted)
color	White to off-white
Odor	fennel
Water Solubility	Slightly soluble in cold water. Soluble in hot water and alcohol

Safety information for 2,5-Dihydroxy-p-cymene

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H302:Acute toxicity,oral H319:Serious eye damage/eye irritation
Precautionary Statement Codes	P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.