这种成分是什么?

이 원료는 다음의 구조를 갖는 무기산화물이다.

成分词典

CALCIUM OXIDE

Calcium oxide is a member of the class of calcium oxides of calcium and oxygen in a 1:1 ratio.

定义

Calcium oxide is a member of the class of calcium oxides of calcium and oxygen in a 1:1 ratio. It has a role as a fertilizer.

来源: PubChem

美国FDA 物质登记 · UNII C7X2M0VVNH · 登记名称 LIME (CALCIUM OXIDE) · 单一化学物质

来源: 美国FDA 物质识别码（UNII）

化妆品中的作用

稳定 pHBUFFERING

安全与法规参考

未列入韩国有毒物质 GHS 分类 · 现有化学物质

来源: 韩国有毒物质 GHS 信息（环境公团）

Other restriction: ban substances that deplete the ozone layer

来源: 欧盟 CosIng 成分清单

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酸化Ｃａ: 本品は、カルシウムの酸化物であり、次の化学式で表される。

来源: 日本化妆品工业联合会标示名称

别名和识别信息

CALCIUM OXIDEINCI칼슘옥사이드韩国标示名称（食药处标准名）酸化Ｃａ日本标示名称

CAS No.化学物质登记号: 1305-78-8
EC No.欧盟化学品目录编号: 215-138-9
DTXSID美国EPA化学品编号: DTXSID5029631
DTXCID美国EPA化合物编号: DTXCID101323191

IUPAC: Calcium oxide
分子式: CaO
分子量: 56.077 g/mol

实测物性

性状: Calcium oxide appears as an odorless, white or gray-white solid in the form of hard lumps. A strong irritant to skin, eyes and mucous membranes. Used in insecticides and fertilizers. · Dry Powder, Wet Solid, Other Solid, Large Crystals, CBI, Liquid
气味: Odorless · 无臭
沸点: 5162 °F at 760 mmHg (NIOSH, 2024) · 2850 °C
熔点: 4662 °F (NIOSH, 2024) · 2613 °C
溶解性: Reacts with water (NIOSH, 2024) · Slightly soluble in water. Insoluble in ethanol. Soluble in glycerol
密度: 3.3 at 68 °F (USCG, 1999) - Denser than water, will sink · 3.34 g/cu cm
稳定性: Readily absorbs carbon dioxide and water from air, becoming airslaked.
颜色: 白色
pH: 12.8
熔点/凝固点: 2570 ℃
初沸点和沸程: 2850 ℃
比重: 3.3-3.4
分子量: 56.1

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 111 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。

Binder35
Processing aids not otherwise specified12
Degradant/impurity (EPA)8
pH regulating agent7
Filler6
Stabilizing agent4
Chemical reaction regulator4
Intermediate4

其余用途 19 项

Catalyst3
Dehydrating agent (desiccant)3
Drier3
Corrosion inhibitor2
Sealant (barrier)2
Abrasive2
Flux agent2
Diluent2
Soil amendments2
Thickening agent1
Viscosity modifier1
Adhesion/cohesion promoter1
Adsorbent1
Absorbent1
Dye1
Flavouring and nutrient1
Anti-caking agent1
Reducing agent1
Dispersing agent1

来源: 美国EPA CompTox

刺激与致敏试验记录

记录有皮肤试验 8 项、眼部试验 5 项。

归类为刺激性高1 项归类为中等1 项归类为低4 项

各项试验结论不一（最多的结论占 17%），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 13 项试验

Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) , adopted 1992-07-17 according to
Skin corrosion/irritation - Category 1
Skin Irritation · Screening
Category 2
Skin Irritation · Screening
Classification not possible
Skin Sensitization · Screening
Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion) according to
Not likely to be sensitizing
skin sensitisation: in vivo (LLNA) · Screening · according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay) according to EU Method B.42 (Skin Sensitisation: Local Lymph Node Assay)
Category 8.2C (Category 1C)
Skin Irritation · Read Across
Skin irritation - category 2
Skin Irritation · Screening
Corrosive or Irritation Persists for > 21 days
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) , adopted 1987-02-24 according to
Category 1
Eye Irritation · Screening
Category 8.3A (Category 1)
Eye Irritation · Read Across
Eye damage - category 1
Eye Irritation · Screening
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion) according to