硝酸钙是一种无机物,化学式为Ca(NO3)2,白色结晶。有两种晶体。易吸湿。热至500℃左右分解。易溶于水、乙醇、甲醇和丙酮,几乎不溶于浓硝酸。相对密度α型1.896,β型1.82。熔点α型42.7℃,β型39.7℃。低毒,半数致死量(大鼠,经口)3900mg/kg。有氧化性,加热放出氧气,遇有机物、硫等即发生燃烧和爆炸。EPA化学物质信息:Nitric acid, calcium salt(10124-37-5)英文别名:CALCIUM ICP STANDARD; CALCIUM NITRATE; CA(NO3)2; calcium(ii)nitrate(1:2); calciumionchromatographystdsol.fluka; calciumsaltpeter; limesaltpeter; nitricacid,calciumsalt; nitrocalcite; norgesaltpeter; norwaysaltpeter; norwegiansaltpeter; saltpeter[norway]; synfat1006; Norwegian saltpetre