Glass tube and pharmaceutical container

2:

• The glass tube according to claim 1, wherein the content of Al2O3 is from 1 mol % to 10 mol %.

3:

• The glass tube according to claim 1, wherein a content of MgO is from 0 mol % to 1 mol %, and a content of CaO is from 0 mol % to 0.5 mol %.

4:

• The glass tube according to claim 1, wherein a content of Li2O is from 0 mol % to 10 mol %, a content of Na2O is from 0.1 mol % to 15 mol %, and a content of K2O is from 0 mol % to 5 mol %.

5:

• The glass tube according to claim 1, wherein a content of SnO2 is from 0.03 mol % to 3 mol %.

6:

• The glass tube according to claim 1, wherein a content of TiO2 is from 0.001 mol % to 0.5 mol %.

7:

• The glass tube according to claim 1, wherein a content of Fe2O3+TiO2+SnO2+MoO3 is from 0.001 mol % to 1 mol %.

8:

• The glass tube according to claim 1, wherein a molar ratio (Li2O+Na2O+K2O)/Al2O3 is 2 or more.

9:

• The glass tube according to claim 1, wherein a molar ratio MoO3/(Fe2O3+TiO2) is 0.5 or less, and a visible light transmittance at a thickness of 1 mm is 80% or more.

10:

• The glass tube according to claim 1, wherein a molar ratio (10×SnO2)/(10×Fe2O3+TiO2+10×SnO2+100×MoO3) is from 0.5 to 1, and a visible light transmittance at a thickness of 1 mm is 85% or more.

11:

• The glass tube according to claim 1, which is to be subjected to an ion exchange treatment.

12:

• The glass tube according to claim 1, which is for use in a pharmaceutical container.

13:

• A pharmaceutical container obtained by processing a glass tube, wherein
• the glass tube is the glass tube according to claim 1.

14:

• The pharmaceutical container according to claim 13, comprising:
• a compression stress layer on a surface.

15:

• A glass tube comprising, as a glass composition, in mol %, from 66% to 85% of SiO2, from 1% to 10% of Al2O3, from 0% to 5% of B2O3, from 1% to 16.5% of Li2O+Na2O+K2O, from 0% to 5% of MgO+CaO+SrO+BaO, and from 0.03% to 3% of SnO2, wherein a molar ratio MoO3/(Fe2O3+TiO2) is from 0.0001 to 0.2, and a visible light transmittance at a thickness of 1 mm is 85% or more.

16:

• A glass tube comprising, as a glass composition, in mol %, from 66% to 85% of SiO2, from 1% to 10% of Al2O3, from 0% to 5% of B2O3, from 1% to 16.5% of Li2O+Na2O+K2O, from 0% to less than 4% of MgO+CaO+SrO+BaO, from 0.001% to 0.5% of TiO2, and from 0.03% to 3% of SnO2, wherein a molar ratio (10×SnO2)/(10×Fe2O3+TiO2+10×SnO2+100×MoO3) is from 0.5 to 1, and a visible light transmittance at a thickness of 1 mm is 85% or more.