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HallStar® Octyl Isononanoate

INCI Name: Ethylhexyl Isononanoate
Product Code: H014
CAS #: 71566-49-9
EINECS: 275-637-2
Brand: HallStar®

HallStar® Octyl Isononanoate is the reaction product of isononanoic acid and 2-ethylhexanol. It is used as an emollient in skin care and may be used as a resin plasticizer for hair styling resins. Its branched nature imparts a low viscosity and low freeze point, making it useful for reducing the tackiness of heavier oils, and so enhancing finished product feel (making it softer, drier, and/or less oily).

All components of HallStar® Octyl Isononanoate are listed in the following countries; the registration number for the predominant component is included in parentheses: Europe (EINECS 275-637-2), Australia (AICS 71566-49-9), Philippines (PICCS 71566-49-9), Japan (ENCS 2-782) and United States (TSCA 71566-49-9).

Features & Benefits:

  • Anticaking / Anti-agglomeration Agent
  • Biodegradable
  • Detackifying Agent
  • Emollient
  • Feel Modification/Enhancement
  • Resin Plasticizer
Appearance (25°C) Clear colorless liquid
Odor Typical, faint
Color (APHA = PtCo) 20
Saponification Value (mg KOH/g) 205
Viscosity (cP, 25°C) 4.3
Specific Gravity (25°C/25°C) 0.856
Refractive Index (25°C) 1.434
Freezing Point (°C) -30
Flash Point (°C) 127
RVOC, U.S. EPA (%) 0
Insoluble In
  • Water
Soluble In
  • Isopropyl Alcohol
  • Mineral Oil
  • Vegetable Oil
Toxicology Profile
  • LD50: > 5g/kg
  • Ocular / Eye Irritation: Minimally irritating
  • Skin Irritation: Minimally irritating
  • Drum - 400lbs
  • Pail - 40lbs

Regional Approvals:

  • Australia
  • Canada
  • EU
  • Japan
  • Korea
  • New Zealand
  • Philippines
  • Taiwan
  • US


  • Antiperspirants
  • Depilatories
  • Eye Area Color Cosmetics
  • Facial Cleansers
  • Facial Color Cosmetics
  • Facial Skin Care
  • Foot Care
  • Hair Conditioners
  • Hand & Body Care
  • Self-Tanners


Scroll right to view specs →
Name Regional Acceptance  Formula Number
Activating SerumAustralia, Canada, EU, Japan, Korea, MERCOSUR, New Zealand, Taiwan, USCS17-031-03A
Biphasic 3-O-Free Sunscreen Spray SPF 30Canada, EU, USJZ13-110
Biphasic Sea Glass Spray SPF 30Canada, EU, USJZ13-99
Biphasic Sunscreen Spray SPF 30Canada, EU, USJZ12-304
Daily Wear SPF 30GlobalJZ14-276
Fountain of YouthGlobalCS17-036-04A
Harmonious Defense Inorganic Sunscreen SPF 50+ASEAN, Australia, Canada, EU, Japan, Korea, MERCOSUR, New Zealand, Philippines, Taiwan, USJZ15-46B
Light-Quenching Lotion SPF 30ASEAN, Canada, Japan, Korea, MERCOSUR, New Zealand, Philippines, Taiwan, USJZ11-234
Lightweight Non-nano ZnO Sunscreen Lotion SPF 30GlobalJZ12-154B
Liquid Sun Defense SPF 50USJZ15-255
Mineral BB Tinted Cream SPF 50GlobalJZ15-40
Minerals Only SPF 70, PFA 20 O/W Sunscreen LotionCanada, EU, USJZ11-159
Night is Coming ZnO-Only Sunscreen Lotion SPF 50+ PA++++GlobalSZ-19052
Oil Protect You! SPF 30Canada, EU, USJZ15-59
Oil-in-Water Mineral Sunscreen Cream SPF 50Canada, EU, USJZ8-204
Oil-in-Water Mineral Sunscreen Lotion SPF 45ASEAN, Canada, Japan, Korea, MERCOSUR, New Zealand, Philippines, Taiwan, USJZ10-186
Oil-in-Water Zinc Oxide-Based SPF 40 Sunscreen CreamASEAN, EU, Japan, Korea, MERCOSUR, New Zealand, Philippines, Taiwan, USJZ10-227
Pink Biphasic Spray SPF 30Canada, EU, USJZ14-45
Rosy Spray SPF 30Canada, EU, USJZ15-61
Sheer Blush Sunscreen Stick SPF 30Canada, EU, USJZ14-54
Sunshine Stick SPF 30Canada, EU, USJZ13-192
Tinted Sunscreen SPF 50GlobalJZ15-145
UV Protection ZnO Cream SPF 50GlobalJZ15-112B
UV Protection ZnO Cream SPF 50GlobalJZ15-69B
Zinc Oxide-Based SPF 30, PFA 10 O/W Sunscreen LotionASEAN, Australia, Canada, EU, Japan, Korea, MERCOSUR, New Zealand, Philippines, Taiwan, USJZ11-151B
Zinc-or-Swim W/O Sunscreen Lotion SPF 30ASEAN, Canada, China, Japan, Korea, MERCOSUR, New Zealand, Philippines, Taiwan, USJZ11-242
ZnO Sunscreen SPF 50Canada, EU, USJZ15-49B

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The information presented herein is believed to be accurate and reliable, but no warranty or guarantee, expressed or implied, is made regarding the information or the performance of any product. Further, nothing contained herein shall be taken as any inducement or recommendation to use, manufacture or sell that may infringe any patents or any other proprietary rights now or hereafter in existence, nor to imply compliance with any regulatory requirements

The Hallstar Company - 120 South Riverside Plaza Suite 1620 - Chicago, IL 60606-3911 USA