您好，欢迎来到魔法化学网！
| CAS号 : | 490-79-9 |
精确质量 : | 154.02700 |
| 分子式 : | C7H6O4 |
logP : | 0.79600 |
| 分子量 : | 154.12000 |
PSA : | 77.76000 |
2,5-二羟基苯甲酸 | |
2,5-dihydroxybenzoic acid | |
490-79-9 | |
C7H6O4 | |
154.12000 | |
77.76000 | |
0.79600 | |
154.02700 |
|
白色至黄色粉末
|
|
|
214ºC
|
|
|
406.9ºC at 760 mmHg
|
|
|
204-208 °C(lit.)
|
|
|
1.559 g/cm3
|
|
|
soluble
|
|
|
2.38E-07mmHg at 25°C
|
|
|
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 | |
H302; H315; H319; H335 | |
P261; P305 + P351 + P338 | |
|
LY3850000
|
|
|
3
|
|
|
29182990
|
|
|
S26-S36-S37/39
|
|
|
Xi
|
|
|
R36/37/38
|
|
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>1. 由对苯二酚经羧基化而得。<br>2. 从水中得针晶。<br>3. 由氢酯制备。由过硫酸氧化水杨酸制备。</p> | |
<p>用作制造染料的原料。</p> |
