Name | 3,4-(Methylenedioxy)cinnamic acid |
Synonyms | Acetic acid, piperonylidene- 3,4-(Methylenedioxy)cinnamic acid 3-(1,3-Benzodioxol-5-yl)propenoic acid Cinnamic acid, 3,4-(methylenebis(oxy))- 3-(3,4-Methylene-dioxphenyl)acrylicacid 3-(Benzo[d][1,3]dioxol-5-yl)acrylic acid 3,4-Methylenedioxybenzene-3-acrylic acid 3-(3,4-Methylenedioxyphenyl)propenoicacid 3-(3,4-Methylenedioxyphenyl)propenoic acid (2E)-3-(1,3-benzodioxol-5-yl)prop-2-enoate (2Z)-3-(1,3-benzodioxol-5-yl)prop-2-enoic acid (2E)-3-(1,3-benzodioxol-5-yl)prop-2-enoic acid |
CAS | 2373-80-0 |
EINECS | 219-151-0 |
InChI | InChI=1/C10H8O4/c11-10(12)4-2-7-1-3-8-9(5-7)14-6-13-8/h1-5H,6H2,(H,11,12)/p-1/b4-2+ |
InChIKey | QFQYZMGOKIROEC-DUXPYHPUSA-N |
Molecular Formula | C10H8O4 |
Molar Mass | 192.17 |
Density | 1.0825 (rough estimate) |
Melting Point | 242-244°C (dec.)(lit.) |
Boling Point | 248.14°C (rough estimate) |
Flash Point | 148.9°C |
Solubility | very faint turbidity in Pyridine |
Vapor Presure | 7.39E-06mmHg at 25°C |
Appearance | White to Pale Beige |
Color | White to Light yellow |
BRN | 84599 |
pKa | 4.37±0.10(Predicted) |
Storage Condition | Inert atmosphere,Room Temperature |
Refractive Index | 1.4440 (estimate) |
MDL | MFCD00005837 |
Physical and Chemical Properties | E Type needle Crystal (ethanol). Melting point 247 ° C (242 ° C);Z type crystal (carbon disulfide), melting point 99-100 ° C. |
Hazard Symbols | Xi - Irritant |
Risk Codes | R38 - Irritating to the skin R36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S36 - Wear suitable protective clothing. S24/25 - Avoid contact with skin and eyes. S37 - Wear suitable gloves. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
WGK Germany | 3 |
HS Code | 29329990 |
Hazard Class | IRRITANT |
NIST chemical information | Information provided by: webbook.nist.gov (external link) |
use | anti-epileptic intermediate. |
Production method | It is prepared by condensation of piperonal and acetic anhydride with the participation of potassium acetate and hexahydropyridine. |