この成分は何ですか?

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成分辞典

NITRIC ACID

Nitric acid is a nitrogen oxoacid of formula HNO3 in which the nitrogen atom is bonded to a hydroxy group and by equivalent bonds to the remaining two oxygen atoms.

定義

Nitric acid is a nitrogen oxoacid of formula HNO3 in which the nitrogen atom is bonded to a hydroxy group and by equivalent bonds to the remaining two oxygen atoms. It has a role as a reagent and a protic solvent. It is a conjugate acid of a nitrate.

出典: PubChem

米国FDA 物質登録 · UNII 411VRN1TV4 · 登録名 Nitric acid · 単一の化学物質

出典: 米国FDA 物質識別番号（UNII）

Nitric Acid is the inorganic acid that conforms to the formula:

化粧品での役割

他の成分を溶かす基剤SOLVENT

安全性・規制情報

韓国の有害物質GHS分類: 危険 · H314 (区分1) · H330 (区分1) · H271 (区分1) · ほか1件

出典: 韓国有害物質GHS情報（環境公団）

詳しい資料 — 表示名・識別番号・物性・試験記録・文献

別名・識別情報

NITRIC ACIDINCI나이트릭애씨드韓国の表示名（食薬処標準名）

CAS No.化学物質登録番号: 7697-37-2
DTXSID米国EPA化学物質番号: DTXSID5029685
DTXCID米国EPA化合物番号: DTXCID509685

IUPAC: Nitric acid
分子式: HNO3
分子量: 63.012 g/mol

測定された物性

性状: Nitric acid, other than red fuming appears as a pale yellow to reddish brown liquid with reddish brown vapors and a suffocating odor. Very toxic by inhalation. Corrosive to metals or tissue. Accelerates the burning of combustible material and may cause ignition of combustible materials upon contact. Prolonged exposure to low concentrations or short term exposure to high concentrations may result i · Nitric acid, red fuming appears as a pale yellow to reddish brown liquid generating red-brown fumes and having a suffocating odor. Very toxic by inhalation. Corrosive to metals or tissue. Prolonged exposure to low concentrations or short term exposure to high concentrations may result in adverse health effects. Rate of onset: Immediate Persistence: Hours - days Odor threshold: ~1 ppm Source/u
臭い: Characteristic choking odor · Acrid, Sweet to acrid
沸点: 181 °F at 760 mmHg (NIOSH, 2024) · 83 °C
融点: -44 °F (NIOSH, 2024) · -41.6 °C
溶解性: Miscible (NIOSH, 2024) · Very soluble in water
密度: 1.5 at 77 °F (NIOSH, 2024) - Denser than water, will sink · 1.5129 g/cu cm at 20 °C
融点・凝固点: -41.6 ℃
初留点および沸点範囲: 121 ℃
蒸気圧: 0.89 ㎜Hg(20℃)
溶解度: 500000 ㎎/ℓ(20 ℃)
蒸気密度: 2.2
比重: 1.5128
n-オクタノール/水分配係数（Kow）: -0.21
粘度: 0.746 cP(25℃)
分子量: 63.0119

物質そのものを測定した値です。安全保健公団（KOSHA）の資料はSDS作成・確認の参考用で、原料商品の規格ではありません。

出典: PubChem · 韓国安全保健公団 SDS

製品が実際に使っている用途

米国EPAにこの成分を届け出た製品46件の用途です。化粧品以外の製品も含まれるため、上の数行がこの成分の主な使い道といえます。

Processing aids not otherwise specified7
pH regulating agent4
Intermediate4
Soil amendments4
Degradant/impurity (EPA)2
Pigment2
Catalyst2
Cleaning agent2

その他の用途 16件

Ion exchange agent2
Oxidizing agent2
Dehydrating agent (desiccant)2
Reducing agent1
Dye1
Propellants, non-motive (blowing agents)1
Surface modifier1
Energy releasers (explosives, motive propellant)1
Plating agent1
Semiconductor and photovoltaic agent1
Solvent1
Solids separation (precipitating) agent, not other1
Corrosion inhibitor1
No specific technical function1
Preservative1
Etching agent1

出典: 米国EPA CompTox

刺激・感作試験の記録

皮膚試験8件・眼試験3件の記録があります。

刺激が強いと分類1件

試験の結論はおおむね一致しています（100%）。原料そのものを試験した記録で、完成品に含まれる濃度での刺激性とは異なります。

試験11件をすべて見る

Classification not possible
Skin Sensitization · Screening
Skin corrosion/irritation - Category 1
Skin Irritation · Screening
Category 1
Skin Irritation · Screening
Skin Corr. 1A
Skin Irritation · Screening
Skin Corr. 1A
Skin Irritation · Authoritative
Category 8.2A (Category 1A)
Skin Irritation · Read Across
Category 8.2C (Category 1C)
Skin Irritation · Read Across
Category 8.2B (Category 1B)
Skin Irritation · Read Across
Eye Dam. 1
Eye Irritation · Screening
Category 1
Eye Irritation · Screening
Category 8.3A (Category 1)
Eye Irritation · Read Across