3-硝基-4-羟基苯甲酸;
4-hydroxy-3-nitro benzoic acid;4-hydroxy-3-ninitrobenzoic acid;3-Nitro-4-hydroxybenzoic acid;Benzoic acid, 4-hydroxy-3-nitro-;NHB;
外观与性状：
淡黄色晶体
密度：
1 g/cm3
沸点：
354.3ºC at 760 mmHg
熔点：
183-186 °C(lit.)
闪点：
162.6ºC
稳定性：
Stable under normal temperatures and pressures. Stable at room temperature in closed containers under normal storage and handling conditions.
储存条件：
Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
三、用途 测定糜蛋白酶标准。有机合成。
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