成分词典

4-METHYLPENT-3-EN-2-ONE

4-Methyl-3-penten-2-one, 9CI is an olefinic compound.

定义

4-Methyl-3-penten-2-one, 9CI is an olefinic compound. It is functionally related to an acrylic acid.

来源: PubChem

美国FDA 物质登记 · UNII 77LAC84669 · 登记名称 Mesityl oxide · 单一化学物质

为产品增添香味PERFUMING

未列入韩国有毒物质 GHS 分类 · 现有化学物质

详细资料——标示名称、识别编号、物性、试验记录、文献

4-METHYLPENT-3-EN-2-ONEINCI3-Penten-2-one, 4-methyl-同义名

性状: Mesityl oxide appears as a colorless, oily liquid with a pungent honey-like odor. Flash point 87 °F. Less dense than water and slightly soluble in water. Vapors heavier than air. Used in paint removers, as a solvent for plastics, and as an insect repellent. · Oily, colorless to light-yellow liquid with a peppermint- or honey-like odor, [NIOSH]
气味: ... spearmint ... · COMMERCIAL GRADE EXHIBITS AN UNPLEASANT ODOR
沸点: 266 °F at 760 mmHg (USCG, 1999) · 130 °C at 760 mm Hg
熔点: -51 °F (USCG, 1999) · -59 °C
溶解性: 3 % (NIOSH, 2024) · Sol in about 30 parts water, miscible with most org liq
密度: 0.853 at 68 °F (USCG, 1999) - Less dense than water, will float · 0.8592 at 15 °C/4 °C
熔点/凝固点: -59 ℃
初沸点和沸程: 130 ℃
闪点: 25 ℃(101.3 kPa EU Method A.9, GLP)
燃烧或爆炸范围上限/下限: 7.2 / 1.4 %
蒸气压: 1.2 ㎪ (20℃)
溶解度: 26.98 (20℃, pH=3.7 (OECD TG , GLP), g/L)
蒸气密度: 3.4 (air=1)
比重: 0.8592 (15℃/4℃)
正辛醇/水分配系数（Kow）: 1.37
自燃温度: 335 ℃ (1013 hPa, (EU Method A.15))
黏度: 0.717 (20.15 °C, (OECD TG 114, GLP))
分子量: 98.14

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 8 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 5 项、眼部试验 4 项。

归类为刺激性高1 项归类为中等1 项归类为低1 项

各项试验结论不一（最多的结论占 33%），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 9 项试验

Severe Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to EPA OPPTS 870.2500 (Acute Dermal Irritation) according to EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion) according to
Category 6.3B (Category 3)
Skin Irritation · Read Across
Category 2
Skin Irritation · Screening
Classification not possible
Skin Sensitization · Screening
Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) according to EU Method B.6 (Skin Sensitisation)
Serious eye damage/eye irritation - Category 2
Eye Irritation · Screening
Category 2A
Eye Irritation · Screening
Severe Irritation
eye irritation: in vitro / ex vivo · Screening · other guideline: OECD 437 "Bovine Corneal Opacity and Permeability Test Method for Identifying Ocular Corrosives and Severe Irritants (adopted 7 September 2009) according to
Category 8.3A (Category 1)
Eye Irritation · Read Across