…They have come to be widely used due to their vivid colors and good color transferability. However, tar-based dyes are chemically structured as azo dyes and xanthene dyes, and compounds with these structures are often toxic. Therefore, tests are conducted on animals for tar-based dyes, and those found to be toxic are banned from use. … *Some of the terminology explanations that mention "xanthene dyes" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…その色彩の鮮やかさと色伸びのよさから,広く使われるようになった。しかし,タール系色素は化学構造的にはアゾ色素,キサンテン色素などであり,これらの構造をもつ化合物は毒性をもつことが多い。そこで,タール系色素については動物を用いた試験が実施され,毒性の認められたものは使用禁止処置がとられている。… ※「キサンテン色素」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
<<: Xanthene dyes - Xanthene dyes
>>: Xanthene ring - Xanthene epilepsy
...For wool over 20 cm long, a sliver is made usi...
...According to a surviving Sanskrit inscription,...
...A leading European manufacturer of general pho...
A commentary on the customs of the court. Written...
This is the new name for "rare gases," a...
For example, Elman R. Service, in his book Primit...
...After the war, following the signing of the Sa...
…Together with “Flora Japonica” and “Fauna Japoni...
… There are two types of binders that thicken sau...
The term refers to the main mineral that constitu...
…The colonies of the provinces (such as those in ...
One of the powerful clans of ancient immigrants. ...
This temple was located in Asuka Village, Takaichi...
A snail shell of the Laridae family that lives in ...
A Tendai sect temple located in Shimomeguro, Megu...