Octyl Salicylic Acid Liquid

Octyl Salicylic Acid Liquid

Product Name: Ethylhexyl Salicylate (Octyl Salicylic Acid) Liquid
Chemical Name: 2-Ethylhexyl 2-hydroxybenzoate
Synonyms: Octyl Salicylate; 2-Ethylhexyl Salicylate; Octisalate
CAS Number: 118-60-5
Molecular Formula: C₁₅H₂₂O₃
Molecular Weight: 250.33 g/mol
Purity: >99% (GC)
Appearance: Clear to slightly yellowish oily liquid
Odor: Characteristic, faint odor
Minimum Order Quantity (MOQ): Typically 1 kg. Laboratory sample sizes are available for R&D and evaluation.
Key Applications: Primary use as a UVB absorber in sunscreens and daily wear cosmetics (e.g., moisturizers, foundations). Also functions as a fragrance ingredient and skin-conditioning agent.

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Product Introduction

Products Description

 

Ethylhexyl Salicylate, commonly known as Octyl Salicylate or by its INCI name Octisalate, is a proven and widely-used liquid organic UV filter. It is an ester derived from salicylic acid and 2-ethylhexanol. Renowned for its effective absorption of UVB rays (280-320 nm), it is a cornerstone ingredient in broad-spectrum sunscreen formulations, helping to prevent sunburn and long-term skin damage. Beyond its photoprotective role, it also imparts an elegant, non-greasy skin feel and can enhance the performance of other sunscreen actives.

 

Products Description

 

Parameter Specification / Value Notes
Physical State Liquid Oily liquid at room temperature.
Density ~1.014 g/mL at 25°C --
Boiling Point 189-190 °C (at 21 mmHg) Approximately 331°C at atmospheric pressure.
Flash Point >110 °C ( >230 °F ) Combustible.
Refractive Index n20/D ~1.502 --
Solubility Insoluble in water. Soluble in oils, alcohols, and most organic solvents. Ideal for incorporation into the oil phase of emulsions.
Storage Store in a tightly sealed container in a cool, dry, and dark place. Stable under recommended conditions.

 

Mechanism of Action

 

Ethylhexyl Salicylate functions primarily through a physical-optical mechanism of ultraviolet light absorption and dissipation.

 

  1. Photon Absorption: Its molecular structure features a conjugated aromatic system (the salicylate portion) that is specifically tuned to absorb high-energy UVB radiation (280-320 nm).
  2. Energy Conversion: When a UVB photon is absorbed, the molecule enters an excited state. Instead of allowing this energy to damage skin cells (e.g., causing thymine dimer formation in DNA), the molecule safely converts the absorbed ultraviolet energy into negligible amounts of low-energy heat, which is then dissipated.
  3. Film-Forming & Synergy: As an oily liquid, it integrates seamlessly into the sunscreen film on the skin. It is particularly valued for its ability to stabilize other UV filters (like Avobenzone) by reducing their photodegradation, thereby extending the product's protective efficacy.

 

Key Benefits

 

  • Effective UVB Protection: Provides reliable absorption in the critical sunburn range (280-320 nm).
  • Excellent Safety Profile: Has a long history of safe use in cosmetics. Dermal irritation and sensitization potential are minimal, and it is classified as a non-photosensitizer.
  • Low Skin Penetration: In vitro studies show less than 1% of the topically applied dose penetrates through intact human skin, indicating it remains primarily on the surface where it functions.
  • Formulation Versatility: Its lipophilic nature and liquid state make it easy to incorporate into a wide array of emulsion systems (O/W, W/O), sticks, and anhydrous formulas.
  • Sensory Enhancer: Imparts a light, non-greasy, and silky skin feel without leaving a heavy residue, improving overall product aesthetics.
  • Global Regulatory Acceptance: Approved for use as a sunscreen agent within specified concentration limits in all major international markets (e.g., up to 5% in the EU).

 

Primary Applications

 

  • Sunscreens & Sun Care Products: A foundational UVB filter in sunscreen lotions, creams, sprays, and sticks. Often combined with UVA filters to achieve broad-spectrum protection.
  • Daily Wear Cosmetics: Incorporated into moisturizers, foundations, BB creams, and lip balms with SPF to provide daily photoprotection.
  • After-Sun & Protective Hair Care: Used in products designed to soothe sun-exposed skin or protect hair from UV damage.
  • Fragrances & Functional Ingredients: Serves as a solvent and fixative in perfumery, and as a skin-conditioning agent.

 

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Formulation Guidelines

 

  • Typical Use Concentration: 3% to 5% as a sunscreen agent, in compliance with regional regulatory limits.
  • Incorporation: Add to the oil phase during emulsion preparation. Heat and mix until completely dissolved before emulsification.
  • Synergistic Combinations:

 To achieve Broad-Spectrum SPF: Combine with UVA absorbers like Avobenzone or Bemotrizinol. Ethylhexyl Salicylate can help stabilize Avobenzone.

 For Enhanced Water Resistance: Formulate with film-forming polymers and other lipophilic filters.

 For Elegant Feel: Blends well with light esters like C12-15 Alkyl Benzoate or Dicaprylyl Carbonate.

 

Frequently Asked Questions (FAQ)

Q: What is the difference between "Octyl Salicylate" and "Ethylhexyl Salicylate"?

A: They are different names for the same chemical compound (CAS 118-60-5). "Octyl Salicylate" is a common generic name, while "2-Ethylhexyl Salicylate" is the more precise chemical name. The INCI name is Octisalate.

Q: Is this ingredient safe? Does it penetrate the skin deeply?

A: Yes, it has a well-established safety profile for topical use in cosmetics. Critical in vitro penetration studies using human skin models indicate that less than 1% of the applied dose penetrates beyond the outer layers, meaning systemic exposure is extremely low. It is considered non-irritating and non-sensitizing for the vast majority of users.

Q: Can it be used in products marketed as "natural" or "reef-safe"?

A: It is a synthetic ingredient. While it is considered safe for human use, its environmental impact, particularly regarding marine ecosystems, is part of an ongoing scientific and regulatory discussion. Claims related to "reef safety" should be supported by relevant and compliant data.

 

Common customer problems

 

(1) When will it be delivered?

Delivery 1-3 days after receipt of payment

 

(2) Can you provide samples first?

You can. A 10-20g free sample can be provided, but the customer needs to pay for the freight

 

(3) How to prove the purity of octyl salicylic acid powder products?

We can provide product certificate of analysis.

 

(4) What if the goods are damaged during transit?

Who is responsible according to the trade terms used in the contract.

 

Company strength

 

We have nearly 8 years of production and export experience, with a professional sales team, a perfect delivery and logistics system, adequate inventory, quality assurance, price concessions, welcome to visit, negotiate cooperation, email ella.zhang@huilinbio-tech.com.

 

 

Why choose us?

  • Trust us to provide you with the best Cosmetic Raw Materials in the market.
  • We insist on advocating the spirit of happy struggle and love of dedication.
  • We take pride in providing our customers with the highest level of satisfaction.
  • Our Octyl Salicylic Acid Powder not only incorporates the necessary core technology, but also reflects the innovation and outstanding performance as always.
  • Our Cosmetic Raw Materials are of the best quality while our services are top-notch.
  • What we need is a team of talents who can meet the needs of the company's management improvement and transformation and upgrading, with a strong sense of mission, responsibility, centripetal force and combativeness.
  • Our processes and technologies are designed to produce the best results.
  • The company develops and strengthens itself in innovation, realizes the scale of benefits, and builds the enterprise into a more competitive enterprise.
  • Our prices are among the most competitive in the market.
  • We acknowledge that quality is the key for our Octyl Salicylic Acid Powder to occupy the market and is the basis for enterprises to obtain economic benefits.

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