这种成分是什么?

이 원료는 2-메틸-2-부텐과 2-메틸-1-부텐의 혼합물이다.

成分词典

METHYLBUTENES

2-methylbut-1-ene is an alkene that is but-1-ene carrying a methyl substituent at position 2.

美国FDA 物质登记 · UNII F238I92ISV · 登记名称 METHYLBUTENE (MIXED ISOMERS) · 混合物

2-methylbut-1-ene is an alkene that is but-1-ene carrying a methyl substituent at position 2.

来源: PubChem

溶解其他成分的基质SOLVENT

未列入韩国有毒物质 GHS 分类

详细资料——标示名称、识别编号、物性、试验记录、文献

METHYLBUTENESINCI메틸부텐韩国标示名称（食药处标准名）Butene, methyl-同义名

性状: Isopentenes appears as a colorless liquid with a pleasant odor. A mixture of isomers. Insoluble in water and less dense than water. Hence floats on water. Vapors are heavier than air. Used as a solvent and to make other chemicals. · 2-methyl-1-butene appears as a colorless volatile liquid with a disagreeable odor. Insoluble in water and less dense than water. Vapors are heavier than air. Used to make other chemicals.
气味: Disagreeable odor
沸点: 31.2 °C · 31.04 °C @760 [mm Hg]
熔点: -137.5 °C
溶解性: Sol in alcohol, ether, benzene · In water, 130 mg/l @ 20 °C.
密度: 0.6504 @ 20 °C/4 °C · 0.06504 @ 20°C
稳定性: VOLATILE
熔点/凝固点: -134 ℃
初沸点和沸程: 34.5~36 ℃
闪点: -45 ℃
蒸气压: 62.39 ㎪ (at 25°C)
溶解度: 193 ㎎/ℓ (at 25°C)
比重: 0.66 (20℃)
正辛醇/水分配系数（Kow）: 2.67
自燃温度: 290 ℃
分子量: 70.14

这是对物质本身测得的数值。韩国安全保健公团（KOSHA）的资料仅供编写和审核安全数据表参考，并非原料商品的规格。

这是向美国 EPA 申报含该成分的 2 款产品的用途。其中包括化妆品以外的产品，排在前几行的即为该成分的主要用途。

记录有皮肤试验 2 项、眼部试验 1 项。

归类为刺激性高1 项归类为低1 项

各项试验结论不一（最多的结论占 50%），因此不能断定该成分有刺激性。这是对原料本身的试验记录，与成品中所含浓度下的刺激性不同。

查看全部 3 项试验

Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · equivalent or similar to OECD Guideline 406 (Skin Sensitisation)
Severe Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) equivalent or similar to
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) equivalent or similar to