Molecular Formula | C14H16O9 |
Molar Mass | 328.27 |
Density | 1.3901 (rough estimate) |
Melting Point | 237-240°C(lit.) |
Boling Point | 386.03°C (rough estimate) |
Specific Rotation(α) | D18 -37.7° (c = 1.96 in ethanol); D24 -45.3° (c = 0.51 for anhydr in water) |
Flash Point | 250.6°C |
Solubility | Dissolve in methanol, slightly soluble in water or ethanol. |
Vapor Presure | 2.92E-18mmHg at 25°C |
Appearance | White loose needle crystal or crystalline powder |
Color | White to Off-White |
Maximum wavelength(λmax) | ['277nm(EtOH)(lit.)'] |
pKa | 8.26±0.70(Predicted) |
Storage Condition | -20°C |
Refractive Index | 1.6550 (estimate) |
MDL | MFCD00167248 |
Physical and Chemical Properties | White loose needle-like crystals or crystalline powder. Melting point 238 °c. Soluble in water, soluble in alcohol. Odorless, bitter, and gradually discolored when exposed to light and heat. |
Use | Antitussive and expectorant for prevention and treatment of chronic bronchitis |
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
WGK Germany | 3 |
RTECS | UQ0337200 |
HS Code | 29329990 |
Reference Show more | 1. Ma Ji-ping, Liu Danhua, Hao Haijun, et al. Preparation and pharmacokinetics of Phloretin-phospholipid complex [J]. Chinese traditional medicines, 2020, v.42(06):183-186. 2. Zhang Ya, Wang Yiqiao, Ma Zhuoya, et al. Optimization of water extraction and alcohol precipitation process of zhuangyao Baijin granules by pharmacodynamic experiment combined with orthogonal test [J]. China Pharmacy, 2020, v.31;No.674(08):28-34. 3. [IF = 5.64] Wu Dousheng et al."Oleanolic acids the Type III secret System of Ralstonia solanacearum." Front Microbiol. 2015 Dec;0:1466 |
is a white loose needle-like crystal or crystalline powder, melting point 238 ℃, soluble in water, soluble in ethanol. Odorless, bitter, and gradually discolored when exposed to light and heat.
with the crude drug saximaraceae plant Chinese cabbage as raw material extraction.
for antitussive expectorant, for the treatment of chronic bronchitis.