Provided are a borosilicate glass for a pharmaceutical container and a glass tube for a pharmaceutical container, which have high appearance quality, in particular, low airlines. SiO270.0-78.0% by mass%, Al2O35.0-8.0%, B2O35.0-12.0%, CaO 0-4.0%, BaO 0-4.0%, Na2O 4.0 -8.0%, K2O 0-5.0%, SnO20.001-1.0%, It is characterized by the above-mentioned.高い外観品質、特にエアラインの少ない医薬容器用ホウケイ酸ガラス及び医薬容器用ガラス管を提供する。質量％でＳｉＯ２ ７０．０～７８．０％、Ａｌ２Ｏ３ ５．０～８．０％、Ｂ２Ｏ３ ５．０～１２．０％、ＣａＯ ０～４．０％、ＢａＯ ０～４．０％、Ｎａ２Ｏ ４．０～８．０％、Ｋ２Ｏ ０～５．０％、ＳｎＯ２ ０．００１～１．０％含有することを特徴とする。
