您好，欢迎来到魔法化学网！
| CAS号 : | 4316-23-8 |
精确质量 : | 180.04200 |
| 分子式 : | C9H8O4 |
logP : | 1.39140 |
| 分子量 : | 180.15700 |
PSA : | 74.60000 |
4-甲基邻苯二甲酸 | |
4-Methylphthalic Acid | |
4316-23-8 | |
C9H8O4 | |
180.15700 | |
74.60000 | |
1.39140 | |
180.04200 |
|
白色粉末
|
|
|
204.4ºC
|
|
|
390.9ºC at 760 mmHg
|
|
|
146-148 °C(lit.)
|
|
|
1.377g/cm3
|
|
|
Stable at room temperature in closed containers under normal storage and handling conditions.
|
|
|
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
|
GHS07 | |
警告 | |
H315; H319; H335 | |
P261; P305 + P351 + P338 | |
|
3
|
|
|
S26-S37/39
|
|
|
Xi
|
|
|
R36/37/38
|
|
|
2917399090
|
|
2933990090
|
|
2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
<p>其制备方法是以4-甲基-1,2,3,6-四氢苯二甲酸酐与硫在230～250℃脱氢而生成产品。</p> | |
<p>4-甲基苯二甲酸是除草剂咪草酸的中间体。</p> |
