Molecular formula: C6H5NO3
Molecular weight: 139
CAS No.: 88-75-5
EINECS No.: 201-857-5
Dangerous goods transport No.: UN 1663
Appearance: light yellow acicular or prismatic crystal
Melting point: 43-47 ℃
Solubility: soluble in ethanol, ether, benzene, carbon disulfide, caustic soda and hot water, slightly soluble in cold water, and can volatilize with steam.
Uses: used as intermediates in organic synthesis of medicine, dyes, rubber additives, photosensitive materials and so on; It can also be used as a monochromatic PH indicator.