ELHUME – HDO12
1,2-Hexanediol
ELHUMETM – HDO12
A glycol used as a humectant, solvent, and preservative in cosmetics, providing moisture and skin protection.
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CAS Number
6920-22-5
HS Code
29.05.39.00
Molecular Formula
C₅H₁₄O₂
INCI Name
1,2-Hexanediol
1,2-Hexanediol
ELHUMETM – HDO12
A glycol used as a humectant, solvent, and preservative in cosmetics, providing moisture and skin protection.
CAS Number
6920-22-5
INCI Name
1,2-Hexanediol
HS Code
29.05.39.00
Molecular Formula
C₅H₁₄O₂
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Need pricing? Request a quote for this product and we'll get back to you shortly.
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ELHUME – HDO12
Product Specification
Physical Properties
| Property | Specification |
|---|---|
| Appearance | Light yellow liquid |
| Molecular Weight (G/Mol) | 118.17 |
Chemical Properties
| Property | Specification |
|---|---|
| Pka | 14.49 ± 0.20 (predicted) |
| Water Solubility | Miscible with water |
| Incompatibilities | Generally stable, but as a glycol, may react with strong oxidizers |
Thermal Properties
| Property | Specification |
|---|---|
| Flash Point | >230 °F |
| Boiling Point | 223-224 °C (lit.) |
| Melting Point | 45°C |
| Thermal Stability | Stable under normal conditions |
Processing Methods & Reference Formulations
A. Cosmetic cream
Add 1,2-Hexanediol during the cool-down phase to preserve its efficacy as a preservative booster and humectant. It is water-soluble and should be mixed thoroughly to ensure uniform distribution in the cream.
| Key Ingredients | Indicative Dosage (% w/w) |
|---|---|
| Emollients | 5–20% |
| Emulsifiers | 2-6% |
| Humectants (e.g., glycerin) | 2-8% |
| 1,2-Hexanediol | 0.5–5% |
| 1,2-Pentanediol | 0.5–5% |
| 1,2-Octanediol | 0.5–2% |
| Sorbic Acid | 0.05–0.2% |
| Water | 40-50% |
B. Hair shampoo
Add 1,2-Hexanediol during the cool-down phase to maintain its preservative-boosting and moisturizing properties. Ensure thorough mixing for even dispersion in the shampoo base.
| Key Ingredients | Indicative Dosage (% w/w) |
|---|---|
| Sodium Lauryl Sulfate (SLS) | 12% |
| Cocamidopropyl Betaine | 5% |
| Glycerin | 3% |
| 1,2-Hexanediol | 1% |
| Polyquaternium-7 | 0.5% |
| Citric Acid | 0.2% |
| Sodium Chloride | 0.3% |
| Phenoxyethanol | 0.8% |
| Disodium EDTA | 0.3% |
| Deionized Water | 70-80% |
C. Facial cleansers
When adding 1,2-Hexanediol to a facial cleanser, incorporate it into the cool-down phase to preserve its antimicrobial efficacy and prevent degradation. Compatible with most surfactants and active ingredients, it helps improve skin feel without affecting foam. Ensure final pH is 4.5–7 for optimal performance.
| Key Ingredients | Indicative Dosage (% w/w) |
|---|---|
| Deionized Water | 60% |
| Sodium Cocoyl Isethionate | 12% |
| Coco-Glucoside | 8% |
| Glycerin | 4% |
| 1,2-Hexanediol | 1% |
| Cocamidopropyl Betaine | 5% |
| Sodium Chloride | 1% |
| Citric Acid | 0.2% |
| Phenoxyethanol | 0.8% |
| Disodium EDTA | 0.3% |
| Fragrance | 0.5% |
D. Sunscreen cream
When adding 1,2-Hexanediol to sunscreen cream, incorporate it during the cooling phase to preserve stability and avoid volatility. Ensure the final pH is 4.5–7 to support both efficacy and formulation stability.
| Key Ingredients | Indicative Dosage (% w/w) |
|---|---|
| Potassium Cetyl Phosphate | 2% |
| C12-15 alkyl benzoate | 6% |
| Caprylic/Capric Triglyceride, Glyceryl Oleate Citrate | 6% |
| Octocrylene | 10% |
| Homosalate | 8% |
| Butyl Methoxydibenzoylmethane | 5% |
| 4-Methylbenzylidene Camphor | 4% |
| Simmondsia Chinensis seed oil | 5% |
| Glyceryl Stearate | 3% |
| Apalight SP | 5% |
| Aqua | 44.8% |
| Tetrasodium glutamate diacetate | 0.1% |
| Hydroxyethyl Acrylate and Sodium Acryloyl Dimethyl Taurate Copolymer | 0.5% |
| 1-2 Hexanediol | 0.5% |
Dosing Guidelines
A. Dosing by Application
| Products | Authorized dosage % |
|---|---|
| Skin Care | 0.5–5% |
| Hair shampoo | 0.5–5% |
| Other Personal Care | 0.5–5% |
About 1,2-Hexanediol
Catalytic hydrogenation of 2-hydroxyhexanoic acid or its esters, followed by hydrolysis and purification.Yield recovery is usually around 85-95%.
Catalytic hydrogenation of 2-hydroxyhexanoic acid or its esters, followed by hydrolysis and purification.Yield recovery is usually around 85-95%. Raw Material - 2-Hydroxyhexanoic acid, Hydrogen gas, Catalyst(e.g, Raney Nickel) Overall Formula: C₆H₁₂O₃ (2-Hydroxyhexanoic acid) + 2H2 --> C₆H₁₄O₂ (1,2-Hexanediol) +H2O
About 1,2-Hexanediol
Catalytic hydrogenation of 2-hydroxyhexanoic acid or its esters, followed by hydrolysis and purification.Yield recovery is usually around 85-95%.
Catalytic hydrogenation of 2-hydroxyhexanoic acid or its esters, followed by hydrolysis and purification.Yield recovery is usually around 85-95%. Raw Material - 2-Hydroxyhexanoic acid, Hydrogen gas, Catalyst(e.g, Raney Nickel) Overall Formula: C₆H₁₂O₃ (2-Hydroxyhexanoic acid) + 2H2 --> C₆H₁₄O₂ (1,2-Hexanediol) +H2O
Regulatory Compliance
| Region | Max Allowed Level | Notes | Certification Body |
|---|---|---|---|
| United States | - | No explicit statutory maximum. CIR and FDA consider 1,2-hexanediol safe as used in cosmetics. | FDA |
| European Union | - | Not specifically restricted; permitted under general safety provisions of EU Cosmetics Regulation. | SCCS (Scientific Committee on Consumer Safety) |
| India | - | No BIS-specific limit. | - |
| Japan | - | No specific limit, permitted if safe. | - |
| ASEAN | - | No explicit max for cosmetics. | - |
| Australia | - | No statutory maximum | - |
| China | - | No statutory maximum | NMPA - National Medical Products Administration |
| Korea, Republic of | - | No statutory maximum | MFDS - Ministry of Food and Drug Safety |
FAQs - 1,2-Hexanediol
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