# C15-19 ALKANE (c15-19-alkane) — Global Cosmetic Regulatory & Formulation Monograph

- **Canonical URL**: https://www.inciname.com/en/ingredients/c15-19-alkane
- **Standard INCI**: `C15-19 ALKANE`
- **KR MFDS Standard Name**: `C15-19알케인`
- **CAS No.**: `64742-46-7`
- **EC / EINECS No.**: `934-956-3`
- **Origin**: `synthetic`
- **Functions**: 용제
- **Molecular Formula / MW**: `—` (— g/mol)

## 1. 7-Track Official Regulatory Label Names
| Track | Official Label Nomenclature |
| :--- | :--- |
| KR (MFDS Standard) | C15-19알케인 |
| KR (Former Names) | — |
| EU (CosIng 1223/2009) | C15-19 ALKANE |
| US (PCPC / MoCRA INCI) | C15-19 ALKANE |
| US (FDA OTC Monograph) | — |
| CN (NMPA IECIC) | C15-19 烷 |
| JP (JCIA / MHLW QD) | C15-19 ALKANE  |

## 2. Layer 1 — Global 6-Region Statutory Summary
- **KR (MFDS)**: `none`
- **EU (1223/2009)**: `banned`
- **US (FDA/MoCRA)**: `none`
- **CN (NMPA IECIC)**: `allowed` (Entry: `179`)
- **JP (MHLW)**: `none`
- **ASEAN (ACD)**: `none`



## 3. Layer 2 — Toxicological & Historical Safe Use Concentrations
- **cn_iecic_max** (leave_on): ≤ 30% — NMPA IECIC (2025) Entry 01465 (2025)
- **cn_iecic_max** (rinse_off): ≤ 15% — NMPA IECIC (2025) Entry 01465 (2025)

## 4. Layer 3 — Formulation Quartiles & Compatibility
- **Optimal pH Window**: 2 – 12
- **Max Process Temp**: ≤ 85°C
- **Synergy Pairings**: CETEARYL OLIVATE, ZINC OXIDE, TITANIUM DIOXIDE, CAPRYLIC/CAPRIC TRIGLYCERIDE
- **Incompatibilities**: Inert saturated alkane; completely resistant to oxidation and hydrolysis across all pH levels

## 5. Academic Monograph
■ [1. Chemical Identity & International Labeling Nomenclature]
  - INCI Name: C15-19 ALKANE | CAS No.: 64742-46-7 | EC No.: 934-956-3
  - Origin: SYNTHETIC | Functions: 
  - Physicochemical Profile: Formula      | MW /(Polymer/Complex) | LogP 7.8 | Ionic Nature: non-ionic | CosIng/MFDS 
  - Official Regional Label Names: US [C15-19 ALKANE] · EU [C15-19 ALKANE] · CN [C15-19 烷] · JP [-] · JP Quasi-Drug [-]
■ [2. Dermatological Mechanism of Action & Functional Role]
  - C15-C19 Alkane is a mixture of alkanes with 15 to 19 carbon atoms in the alkyl chain. Classified under origin 'synthetic', it acts within the cosmetic vehicle or stratum corneum to deliver  performance and structural formulation stability.
■ [3. Global 6-Jurisdiction Regulatory Status & Safety Limits (Layer 1 & Layer 2)]
  - Regional Summary: KR: NONE | EU: BANNED | US: NONE | CN: ALLOWED | JP: NONE | ASEAN: NONE (CN IECIC (2025) Entry No. 179 (C15-19 烷))
  - [EU / COMPOSITION / banned]: 
  - Official Safety & Historical Use Concentration (Layer 2): CN_IECIC_2025 (cn_iecic_max, leave_on): Max 30.0% / CN_IECIC_2025 (cn_iecic_max, rinse_off): Max 15.0%
■ [4. Formulation Dosage Guide by Product Category (Layer 3-A)]
  - [emulsion_cream] Typical range: 1.0 ~ 15.0% (Median 4.0%, Ref: SEPPIC EMOSMART L15/L19 / EMOGREEN L15 TDS & Formulation Library) — Biodegradable plant-based volatile silicone (D5) alternative
  - [sun_color] Typical range: 2.0 ~ 20.0% (Median 6.5%, Ref: SEPPIC EMOGREEN L15 Sunscreen Guide) — Mineral sunscreen slip enhancer & anti-soaping modifier
■ [5. Formulation Engineering, Stability & Incompatibility Matrix (Layer 3-B)]
  - Addition Phase: Oil Phase (Cold or Hot Process)
  - Optimal pH Range: pH 2.0 ~ 12.0 | Max Process Temp: Max 85°C | Electrolyte Tolerance: HIGH
  - Incompatibility / Caution: Inert saturated alkane; completely resistant to oxidation and hydrolysis across all pH levels
  - Synergy Pairings: CETEARYL OLIVATE, ZINC OXIDE, TITANIUM DIOXIDE, CAPRYLIC/CAPRIC TRIGLYCERIDE | Reference Trade Names: EMOGREEN™ L15, EMOGREEN™ L19, EMOSMART™ L15
■ [6. Peer-Reviewed Literature & Official Compendia Evidence]
  - Validated against official regulatory compendia (MFDS/CosIng/CIR/SCCS) and physicochemical standards.

## 6. Linked PubMed Literature