1,2-Pentanediol (Pentylene Glycol) CAS 5343-92-0
What is 1,2-pentanediol?
1,2-Pentanediol (INCI: Pentylene Glycol, CAS 5343-92-0), also known as 1,2-Dihydroxypentane or Pentane-1,2-diol, is a multifunctional cosmetic ingredient and organic intermediate widely used across cosmetics, personal care, pharmaceutical, and agrochemical industries.
As a premium bulk manufacturer and exporter based in China, Runtai Chemical supplies high-purity 1,2-Pentanediol (≥99.5%) that meets cosmetic grade specifications, with full documentation including COA and MSDS.
This colorless, odorless liquid excels as a humectant, solvent,co-preservative, and preservative booster. Compared to traditional glycols, Pentylene Glycol offers superior moisture retention, broad-spectrum antimicrobial activity, and excellent compatibility with sensitive skin formulations.
Runtai Chemical is a professional and reliable China manufacturer of 1,2 – Pentanediol with CAS 5343-92-0 with higher purity and lower price. If you are interested in our 1,2 – Pentanediol, PLS free to contact us for a free sample!
Product Advantages
- Superior Humectant & Moisturizer: Provides long-lasting moisture retention and skin hydration without a sticky feeling.
- Preservative Booster & Co-Preservative: Enhances antimicrobial efficacy of existing preservative systems, reducing overall preservative load by half.
- Broad-Spectrum Antimicrobial: Effectively inhibits bacteria and fungi growth, extending product shelf life in rinse-off and leave-on cosmetics.
- Skin-Friendly for Sensitive & Baby Skin: Low irritation potential
- Excellent Solubility & Formulation Compatibility: Fully miscible with water and alcohol; compatible with emulsion systems, water-based systems, and anhydrous formulations.
- Propiconazole Intermediate: Key raw material in the synthesis of propiconazole fungicide, serving the agrochemical industry.
1,2-Pentanediol Quick Details
- Chemical Name: 1,2-PENTANEDIOL
- CAS No.: 5343-92-0
- EINECS: 226-285-3
- Molecular Formula: C5H12O2
- Molecular weight: 104.15
- Appearance: Colorless clear liquid
- Assay: 99.5%min
- Synonyms: Pentyleneglycol, 1,2-pentanediol; 1,2-DIHYDROXYPENTANE; 1,2-PENTANEDIOL;
1,2 Pentandiol; α-n-amylene glycol; PENTANDIOL-1,2; PTD; PDO
1,2-Pentanediol Typical Properties
| Item | Specification | Results |
| Appearance | Colorless clear liquid | Conforms |
| Odour | Characteristic | Characteristic |
| Moisture | ≤0.3% | 0.02% |
| Color (Pt-Co) | ≤10Hazen | 1Hazen |
| Heavy metals | ≤20mg/kg | 2ppm |
| PH | 6.5-7.5 | 6.66 |
| Specific gravity | 0.965-0.975g/ml | 0,970g/ml |
| Purity | ≥99.5% | 99.98% |
| Conclusion | The results conforms with enterprise standards | |
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1,2-Pentanediol Applications
- Cosmetics & Skincare: Used as humectant and preservative booster in face cream, eye cream, serum, skin lotion, sunscreen (SPF formulations), and body lotion. Enhances water resistance of sunscreen products.
- Baby & Sensitive Skin Care: Widely used in baby lotion, baby wipes, wet tissue products, and maternal care products. Prevents fungal growth in wet wipe formulations without harsh preservatives.
- Hair Care: Applied in shampoo, conditioner, and scalp treatment products as a solvent and moisturizing agent, improving ingredient solubility and hair manageability.
- Makeup & Color Cosmetics: Functions as emulsion stabilizer and texture improver in foundation, BB cream, and liquid makeup.
- Agrochemical Intermediates: Key intermediate in the synthesis of propiconazole, a commercial fungicide for crop protection.
- Industrial Applications: Used as a solvent and stabilizer in coatings, inks, resins, and surfactant systems.
1,2-Pentanediol Package & Storage
- Package: 20kg/drum;200kg/drum
- Storage: Store in a cool place and keep it sealed to avoid direct sunlight.
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