74331-70-7
74331-70-7 structure
- Name: 2-Ethynyl-1,4-dimethylbenzene
- Chemical Name: 2-Ethynyl-1,4-dimethylbenzene
- CAS Number: 74331-70-7
- Molecular Formula: C10H10
- Molecular Weight: 130.18600
- Create Date: 2018-09-03 09:47:32
- Modify Date: 2025-08-25 15:52:24
| Name | 2-Ethynyl-1,4-dimethylbenzene |
|---|---|
| Synonyms |
MFCD05664209
2,5-Dimethylphenylacetylene 2,5-dimethylphenylethyne 2-ethynyl-p-xylene Benzene,2-ethynyl-1,4-dimethyl 1-ethynyl-2,5-dimethylbenzene 2-ethynyl-1,4-dimethyl-benzene |
| Density | 0.914 |
|---|---|
| Boiling Point | 193-194ºC |
| Molecular Formula | C10H10 |
| Molecular Weight | 130.18600 |
| Flash Point | -13ºC |
| Exact Mass | 130.07800 |
| LogP | 2.28470 |
| Index of Refraction | 1.541 |
| Hazard Codes | F: Flammable;Xi: Irritant; |
|---|---|
| Risk Phrases | R11;R41 |
| Safety Phrases | 16-26-36 |
| RIDADR | UN 1993 |
| HS Code | 2902909090 |
|
~92%
74331-70-7 |
| Literature: Apeloig, Yitzhak; Franke, Wilfried; Rappoport, Zvi; Schwarz, Helmut; Stahl, Daniel Journal of the American Chemical Society, 1981 , vol. 103, # 10 p. 2770 - 2780 |
|
~95%
74331-70-7 |
| Literature: Yates, Keith; Mandrapilias, George Journal of Organic Chemistry, 1980 , vol. 45, # 19 p. 3902 - 3906 |
|
~%
74331-70-7 |
| Literature: Journal of the American Chemical Society, , vol. 103, # 10 p. 2770 - 2780 |
|
~%
74331-70-7 |
| Literature: Journal of Fluorine Chemistry, , vol. 43, p. 35 - 52 |
|
~58%
74331-70-7 |
| Literature: Journal of Organic Chemistry, , vol. 62, # 25 p. 8957 - 8960 |
|
~%
74331-70-7 |
| Literature: Journal of Organic Chemistry, , vol. 25, p. 687 - 690 |
| Precursor 7 | |
|---|---|
| DownStream 0 | |
| HS Code | 2902909090 |
|---|---|
| Summary | 2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |