Butan-2-one is a dialkyl ketone that is a four-carbon ketone carrying a single keto- group at position C-2.
产品中实际含有多少
暂无产品标示该成分含量。
含该成分的产品中,13 款将其列在 1% 线之前,0 款列在之后(通常不超过 1%)。
含有此成分的产品
已确认 13 款中的 12 款 · 按含量充足程度排序 · 查看全部 13 款
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定义
Butan-2-one is a dialkyl ketone that is a four-carbon ketone carrying a single keto- group at position C-2. It has a role as a polar aprotic solvent and a bacterial metabolite. It is a volatile organic compound, a dialkyl ketone, a butanone and a methyl ketone.
来源: PubChem
美国FDA 物质登记 · UNII 6PT9KLV9IO · 登记名称 METHYL ETHYL KETONE · 单一化学物质
化妆品中的作用
安全与法规参考
韩国有毒物质 GHS 分类: 危险 · H336 (第3类) · H319 (第2类) · H225 (第2类)
详细资料——标示名称、识别编号、物性、试验记录、文献
官方标示名称和定义
日本化妆品工业联合会标示名称 MEK: 本品は、次の化学式で表される脂肪族ケトンである。
来源: 日本化妆品工业联合会标示名称
别名和识别信息
- CAS No.化学物质登记号
- 78-93-3
- EC No.欧盟化学品目录编号
- 201-159-0
- DTXSID美国EPA化学品编号
- DTXSID3021516
- DTXCID美国EPA化合物编号
- DTXCID801516
- IUPAC
- Butan-2-one
- 分子式
- C4H8O
- 分子量
- 72.107 g/mol
实测物性
- 性状
- Methyl ethyl ketone appears as colorless fairly volatile liquid with a pleasant pungent odor. Flash point 20 °F. Vapors heavier than air. Does not react with water or many common materials. Stable in normal transportation. Irritates the nose, eyes, and throat. Combustion may produce toxic materials. Density 6.7 lb / gal. Used as a solvent, for making other chemicals, and for production of wax from · Liquid, Gas Vapor, CBI
- 气味
- Acetone-like odor · Sweet, pleasant, pungent
- 沸点
- 175.3 °F at 760 mmHg (NTP, 1992) · 79.59 °C
- 熔点
- -123.3 °F (NTP, 1992) · -86.67 °C
- 溶解性
- greater than or equal to 100 mg/mL at 66 °F (NTP, 1992) · Constant boiling mixture with water, BP 73.4 °C, contains 88.7% methyl ethyl ketone (MEK), Solubility of water in MEK is 12.5% at 25 °C
- 密度
- 0.806 at 68 °F (USCG, 1999) - Less dense than water, will float · 0.805 at 20 °C/4 °C, 0.7997 at 25 °C/4 °C, 0.8255 at 0 °C/4 °C
- 颜色
- 无色
- 嗅觉阈值
- 0.7375~147.5 ㎎/㎥
- 熔点/凝固点
- -86 ℃
- 初沸点和沸程
- 79.59 ℃
- 闪点
- -9 ℃
- 蒸发速率
- 2.7
- 燃烧或爆炸范围上限/下限
- 11.5 / 1.8 %
- 蒸气压
- 90.6 ㎜Hg(25℃)
- 溶解度
- 29 g/100㎖(20℃)
- 蒸气密度
- 2.41
- 比重
- 0.8
- 正辛醇/水分配系数(Kow)
- 0.29
- 自燃温度
- 505 ℃
- 黏度
- 0.40 cP(25℃)
- 分子量
- 72.11
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。
来源: PubChem · 韩国安全保健公团 安全数据表
产品实际使用的用途
这是向美国 EPA 申报含该成分的 80 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。
- Catalyst19
- Solvent17
- Adhesion/cohesion promoter10
- Degradant/impurity (EPA)7
- Fragrance5
- No specific technical function4
- Surfactant (surface active agent)3
- Intermediate2
其余用途 10 项
- Flavouring and nutrient2
- Cleaning agent2
- Processing aids not otherwise specified2
- Plating agent1
- Corrosion inhibitor1
- Surface modifier1
- Diluent1
- Sealant (barrier)1
- Lubricating agent1
- Viscosity modifier1
来源: 美国EPA CompTox
刺激与致敏试验记录
记录有皮肤试验 4 项、眼部试验 6 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 10 项试验
- Classification not possible
Skin Sensitization · Screening - Category 2
Skin Irritation · Screening - Category 6.3B (Category 3)
Skin Irritation · Read Across - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) year not reported; reliability scoring based on 1992 guideline according to EU Method B.6 (Skin Sensitisation) 1992 - Eye Irrit. 2
Eye Irritation · Screening - Category 6.4A (Category 2A)
Eye Irritation · Read Across - Severe Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) equivalent or similar to - Category 2A
Eye Irritation · Screening - Serious eye damage/eye irritation - Category 2
Eye Irritation · Screening - Eye Irrit. 2
Eye Irritation · Authoritative
来源: 美国EPA CompTox
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- FGF5 promotes catagen induction through upregulation of TGF-β2 in human dermal papilla cells. · 2026 · Biochemical and biophysical research communications
- Japanese intractable and rare dermatologic diseases: From the official skin-centered nanbyo core to an illustrative mechanism-based framework. · 2026 · Intractable & rare diseases research