Name | DL-Tropic acid |
Synonyms | Tropic acid DL-Tropic acid DL-TROPIC ACID 2-PHENYLHYDRACRYLIC ACID 2-PHENYLHYDROACRYLIC ACID DL-A-PHENYLHYDRACRYLIC ACID ALPHA-PHENYLHYDRACRYLIC ACID 3-hydroxy-2-phenylpropanoate 3-HYDROXY-2-PHENYLPROPIONIC ACID 3-Hydroxy-2-phenylpropionic acid 3-hydroxy-2-phenylpropanoic acid (2S)-3-hydroxy-2-phenylpropanoate (2R)-3-hydroxy-2-phenylpropanoate DL-3-HYDROXY-2-PHENYLPROPIONIC ACID DL-3-Hydroxy-2-phenylpropionic acid (2R)-3-hydroxy-2-phenylpropanoic acid ALPHA-(HYDROXYMETHYL)BENZENEACETIC ACID |
CAS | 529-64-6 |
EINECS | 208-465-3 |
InChI | InChI=1/C9H10O3/c10-6-8(9(11)12)7-4-2-1-3-5-7/h1-5,8,10H,6H2,(H,11,12)/p-1/t8-/m0/s1 |
InChIKey | JACRWUWPXAESPB-UHFFFAOYSA-N |
Molecular Formula | C9H10O3 |
Molar Mass | 166.17 |
Density | 1.1097 (rough estimate) |
Melting Point | 116-118°C(lit.) |
Boling Point | 234.38°C (rough estimate) |
Flash Point | 163.1°C |
Water Solubility | 20 g/L (20 ºC) |
Solubility | methanol: 0.1g/mL, clear |
Vapor Presure | 0.000114mmHg at 25°C |
Appearance | White crystal |
Color | White to off-white |
Merck | 13,9849 |
pKa | pK1:3.53 (25°C) |
Storage Condition | Store below +30°C. |
Refractive Index | 1.4500 (estimate) |
MDL | MFCD00004255 |
Physical and Chemical Properties | The melting point of R-form is 107 ° C.,[α]20D 70 °(C = 0.5,H2O); The melting point of S-form is 126-128 ° C. [Α] 20D-70 °(C = 0.5,H2O);(±) type needle-like (water) or plate-like (benzene) crystal, melting point 118 °c. |
Hazard Symbols | Xi - Irritant |
Risk Codes | R22 - Harmful if swallowed R41 - Risk of serious damage to eyes R37/38 - Irritating to respiratory system and skin. R36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
WGK Germany | 3 |
HS Code | 29181980 |
Hazard Note | Irritant |
Reference Show more | 1. Wang Xiong-fei, Sun Yi-kun, Duan Xiao-jie, et al. Study on impurities of racanisodamine [C]// Chinese Association of Traditional Chinese Medicine. Chinese society of traditional Chinese medicine, 2017. |