Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Basic Information
Product Name: 1,2-Octanediol
CAS Number: 1117-86-8
Alias: Octane-1,2-diol
Chemical Full Name: Octane-1,2-diol
Molecular Formula: C8H18O2
Molecular Weight: 146.23
EINECS: 214-254-7
Structural Information
- Structure Type: Aliphatic vicinal diol
- Structural Features: Straight-chain octane with two adjacent hydroxyl groups at C1 and C2 positions; dual hydroxyl groups bring excellent moisturizing, antibacterial and solubilizing performance, good compatibility with oil and water phases
- Characteristic: Low-irritation cosmetic multifunctional humectant & preservative booster
Physical & Chemical Properties
- Appearance: Colorless transparent oily liquid
- Odor: Slight faint fatty odor
- Melting Point: 28–30 °C
- Boiling Point: 232–234 °C
- Flash Point: 138 °C (closed cup)
- Density (30℃): 0.94 g/cm3
- Solubility: Slightly soluble in water; fully miscible with ethanol, glycerin, propylene glycol, vegetable oils, ester solvents
- Stability: Stable under sealed room temperature storage; resistant to weak acid and weak alkali; can form ester derivatives with carboxylic acids; inhibits bacteria and mold growth synergistically with other preservatives
Synthesis & Applications
Production Method
Epoxidation of 1-octene, followed by hydrolysis of epoxy ring under mild acidic catalysis, vacuum rectification purification to obtain finished product.
Main Applications
- Cosmetic raw material: Multifunctional moisturizer, antibacterial synergist for facial care, toner, cream, shampoo, replace partial traditional preservatives
- Daily chemical additive: Solubilizer for essence, humectant for body care products
- Pharmaceutical auxiliary: Mild solubilizer for topical ointment, skin penetration enhancer
- Industrial surfactant intermediate: Raw material for synthesis of emulsifiers and dispersants
Safety & Storage Instructions
GHS Hazard Classification
- H315 Causes skin irritation
- H319 Causes serious eye irritation
Personal Protection
Chemical splash goggles, nitrile oil-resistant gloves; operate in ventilated environment, avoid long-term liquid skin contact.
Storage Condition
Hermetically sealed plastic-lined iron drum, cool dry ventilated warehouse ≤30℃; isolate strong oxidants, avoid direct sunlight.
Transportation
General mild organic chemical liquid; prevent container leakage during transit.
Quality Specifications
- Purity (GC): ≥99.0%
- Moisture: ≤0.1%
- Chroma (Pt-Co): ≤10
- Acid value: ≤0.1 mgKOH/g
Information Summary Table
| Item | Specification |
| CAS Number | 1117-86-8 |
| Product Name | 1,2-Octanediol |
| Synonym | Octane-1,2-diol |
| Molecular Formula | C8H18O2 |
| Molecular Weight | 146.23 |
| Appearance | Colorless oily liquid (solidify below 28℃) |
| Flash Point | 138℃ |
| Core Advantage | Cosmetic moisturizing & antibacterial dual-effect diol, low irritation |
| Storage Rule | Sealed cool storage, separate from strong oxidants |
| Hazard Property | Mild irritant to skin and eyes, low toxicity |
| Main Usage | Cosmetic humectant & preservative synergist, topical medicine solubilizer, daily chemical solubilizer |
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