3,4-??????
|
|
3,4-?????? ??
- ???
- 163-165 °C (lit.)
- ?? ?
- 271.51°C (estimate)
- ??
- 1.0937 (estimate)
- ???
- 1.5188 (estimate)
- ?? ??
- Sealed in dry,Room Temperature
- ?? ?? (pKa)
- 4.44±0.10(Predicted)
- ??? ??
- ??? ??
- ??
- ???? ????
- ???
- 129.2mg/L(?? ???)
- BRN
- 907267
- CAS ??????
- 619-04-5(CAS DataBase Reference)
??
- ?? ? ?? ??
- ?? ? ???? ?? (GHS)
| ??? ?? | Xi,Xn | ||
|---|---|---|---|
| ?? ???? ?? | 36/37/38-22 | ||
| ????? | 22-24/25-37/39-26 | ||
| WGK ?? | 3 | ||
| RTECS ?? | DG8734020 | ||
| TSCA | Yes | ||
| HS ?? | 29163900 |
3,4-?????? C??? ??, ??, ??
??? ??
white to beige crystalline powder??
ChEBI: A dimethylbenzoic acid in which the two methyl groups are located at positions 3 and 4.Purification Methods
Crystallise it from EtOH or H2O (m 168-168.5o), and sublime it in vacuo. The phenyl ester has m 68o (from EtOH or pet ether) and b 155-157o/2mm. [Beilstein 9 II 353, 9 III 2441, 9 IV 1803.]3,4-?????? ?? ?? ? ???
???
Benzeneacetaldehyde, 3,4-dimethyl-α-oxo-
3,4-Dimethyl-cyclohex-3-enecarboxylic acid
{3,4-Me2C6H3N2}{BF4}
2,3-Dimethylbenzoic acid
2,4-??????
3',4'-Dimethylacetophenone
???
?? ??
3,4-?????? ?? ??
???( 282)?? ??
| ??? | ?? | ??? | ?? | ?? ? | ?? |
|---|---|---|---|---|---|
| Capot Chemical Co.,Ltd. | +86-（0）57185586718 +86-13336195806 |
sales@capot.com | China | 29730 | 60 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-371-+86-371-66670886 |
info@dakenam.com | China | 19840 | 58 |
| Taizhou Tianhong Biochemistry Technology Co., Ltd. | 0523-86132544 |
sales@thbiochem.com | CHINA | 305 | 60 |
| ATK CHEMICAL COMPANY LIMITED | +undefined-21-51877795 |
ivan@atkchemical.com | China | 33025 | 60 |
| career henan chemical co | +86-0371-86658258 +8613203830695 |
sales@coreychem.com | China | 29865 | 58 |
| Changzhou Ansciep Chemical Co., Ltd. | +86 519 86305871 |
sales@ansciepchem.com | CHINA | 4241 | 58 |
| Chongqing Chemdad Co., Ltd | +86-023-6139-8061 +86-86-13650506873 |
sales@chemdad.com | China | 39894 | 58 |
| Alchem Pharmtech,Inc. | 8485655694 |
sales@alchempharmtech.com | United States | 63687 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 |
sales@conier.com | China | 49732 | 58 |
| Fuxin Pharmaceutical | +86-021-021-50872116 +8613122107989 |
contact@fuxinpharm.com | China | 10035 | 58 |