奇米网久久国产精品一区二区|国产精品莉莉欧美自在线线|久久国产精品广西柳州门|国产精品三级在线播放,亚洲图片欧美性爱在线视频,国产精品一品二区三区四区五区,欧美亚洲图片激情另类一区

Thymol Blue

Alias:

TB; Thymolsulfonephthalein; Thymolsulphonephthalein; 4,4'-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis[5-methyl-2-(propan-2-yl)phenol];

English name:

Thymol Blue

Alias:

TB; Thymolsulfonephthalein; Thymolsulphonephthalein;

CAS RN:

76-61-9

EINECS No.:

200-973-3

Molecular formula:

C₂₇H₃₀O₅S

Molecular weight:

466.5891

Molecular structure:

Density:

1.229g/cm3

Melting point:

221-224℃

Properties:

Brownish green or reddish purple crystalline powder. It breaks down at 在200-220℃, insoluble in water and soluble in ethyl alcohol.

Uses:

As diagnostic agents.