1. Basic information of beta-Carotene (CAS NO.7235-40-7)

beta-Carotene (CAS NO.7235-40-7), for being one kind of reddish-brown, free-flowing powder, has other synonyms of Betacaroteno, and its IUPAC Name is 1,3,3-trimethyl-2-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyl-18-(2,6,6-trimethylcyclohexen-1-yl)octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]cyclohexene. With the Empirical Formula of C₄₀H₅₆ and Molecular Weight of 536.8726g/mol, beta-Carotene is being stable but sensitive to air, heat and light, and it should be stored at -20C under nitrogen.

2. Physical and chemical properties of beta-Carotene (CAS NO.7235-40-7) 

(1)Index of Refraction: 1.565;
(2)Molar Refractivity: 185.93 cm³;
(3)Molar Volume: 570.1 cm³;
(4)Polarizability: 73.71×10^-24 cm³;
(5)Surface Tension: 36.3 dyne/cm;
(6)beta-Carotene density: 0.941 g/cm³;
(7)Flash Point: 346 °C;
(8)Enthalpy of Vaporization: 92.93 kJ/mol;
(9)Melting Point: 176-184 °C (dec.);
(10)Boiling Point: 654.7 °C at 760 mmHg;
(11)Vapour Pressure: 2.71E-16 mmHg at 25°C;
(12)Solubility hexane: 100 μg/mL, soluble

3. beta-Carotene (CAS NO.7235-40-7) Supply in China

beta-Carotene (CAS NO.7235-40-7) product has many leading suppliers in China, including many beta-Carotene manufacturers, beta-Carotene traders, beta-Carotene distributors and so on, because it has been one hot chemical in the domestic market. eg. Hangzhou Toyond Biotech Company which will provide high-quality beta-Carotene. It is a professional beta-Carotene supplier of Vitamins, Nutrition, Food additives, Feed additives and APIs.