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CAS 504 Bio Based Cosmetic Grade Humectant Skin Moisturizing Emollient Formulations
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CAS 504 Bio Based Cosmetic Grade Humectant Skin Moisturizing Emollient Formulations
| MOQ: | 500g, 1kg or 25kg for sample, 1000kg for commercial order |
| Price: | Contact us for competitive pricing |
| Standard Packaging: | Net Weight 25kg or 200kg/package; 1000kg IBC totes available |
| Delivery Period: | In 3 working days after order confirmation |
| Payment Method: | T/T,LC,OA |
| Supply Capacity: | 10000 Tons/year |
Detail Information
Place of Origin
Shanxi, China
Brand Name
Zorui
Certification
ISO, COA, MSDS, TDS, COSMOS, ECOCERT
Model Number
PDO-995
CAS:
504-63-2
Purity:
≥ 99.5%
Grade:
Cosmetic Grade
Property:
1,3-Propanediol / PDO / Trimethylene Glycol
Source:
100% Bio-Based (Corn Sugar Fermentation)
Sample:
Available
Storage:
Cool, Dry, Well-ventilated Area; Keep Containers Tightly Sealed
Port:
Tianjin, Shanghai, Qingdao, Other Ports In China
Shipping:
Sample By Express, 100kg+ By Air, 1000kg+ By Sea
Trade Term:
EXW, DAP, FOB, CFR, CIF, CPT, CIP
Highlight:
Bio-Based Cosmetic Grade 1
,3-Propanediol
,Natural Skin Humectant CAS 504-63-2
Product Description
1,3-Propanediol CAS 504-63-2
1,3-Propanediol (PDO), also known as trimethylene glycol, is a bio-based, colorless, and odorless liquid widely employed in the cosmetic and personal care industry. Derived from renewable corn sugar through an innovative fermentation process, it serves as a superior humectant and emollient, delivering exceptional skin moisturizing benefits while supporting sustainable formulation strategies.
Key Benefits
- 100% bio-based and sustainably sourced
- Excellent humectant and moisturizing properties
- Superior skin feel with no stickiness or irritation
- Effective solvent and emollient for diverse cosmetic systems
Target Industries & Applications
Cosmetics, Personal Care, Skin Care, Hair Care, Fragrances, Natural & Organic Formulations.
Technical Specifications
| Chemical Formula | C3H8O2 |
| Molecular Weight | 76.09 g/mol |
| Appearance | Colorless, transparent, viscous liquid |
| Odor | Odorless |
| Solubility | Miscible with water, ethanol, and ethers |
| pH (10% aqueous solution) | 6.0 - 7.5 |
| Density (25°C) | 1.053 g/cm³ |
| Stability | Stable under recommended storage conditions |
| Purity | ≥ 99.5% |
| Heavy Metals | ≤ 10 ppm |
| Microbial Limits | Meets cosmetic industry specifications |
| Storage Conditions | Store in a cool, dry, and well-ventilated area away from direct sunlight |
| Shelf Life | 24 months when stored under proper conditions |
Product Introduction
1,3-Propanediol (PDO), CAS 504-63-2, is a high-purity, bio-based diol manufactured through the fermentation of renewable corn sugar. As a naturally derived multifunctional ingredient, it delivers outstanding humectant, solvent, and emollient performance across a broad range of cosmetic and personal care formulations. Its excellent water-binding capacity helps maintain optimal skin hydration levels, while its light, non-tacky texture significantly enhances product spreadability and sensory appeal. 1,3-Propanediol serves as an ideal sustainable alternative to petroleum-derived glycols such as propylene glycol and butylene glycol, offering comparable or superior functionality with a distinctly eco-friendly profile. Widely adopted by leading cosmetic brands worldwide, PDO has become an essential component in premium creams, lotions, serums, toners, facial mists, and hair care products, providing natural moisturizing efficacy without compromising on performance or stability.
Physical and Chemical Specifications
| Chemical Name | 1,3-Propanediol |
| Synonyms | Trimethylene glycol, PDO, 1,3-Propylene glycol |
| CAS Number | 504-63-2 |
| EINECS Number | 207-997-3 |
| Molecular Formula | C3H8O2 |
| Molecular Weight | 76.09 g/mol |
| Appearance | Colorless, transparent, viscous liquid |
| Purity (GC) | ≥ 99.5% |
| Water Content | ≤ 0.1% |
| Boiling Point | 214 °C (at 760 mmHg) |
| Melting Point | -27 °C |
| Flash Point | 107 °C (closed cup) |
| Density (25°C) | 1.053 g/cm³ |
| Refractive Index (n20/D) | 1.438 - 1.440 |
| Viscosity (25°C) | 44.5 mPa·s |
| pH (10% aq. solution) | 6.0 - 7.5 |
| Solubility in Water | Completely miscible |
| Solubility in Organic Solvents | Miscible with ethanol, and ethers |
Product Functions
- Humectant: Attracts and retains moisture from the environment, providing long-lasting skin hydration and preventing transepidermal water loss.
- Solvent: Effectively dissolves active ingredients, botanical extracts, and functional additives, enhancing formulation compatibility and stability.
- Emollient: Imparts a smooth, silky, and non-greasy after-feel, improving the overall sensory experience of cosmetic products.
- ooster: Synergistically enhances the efficacy of preservative systems, allowing for reduced preservative concentrations in formulations.
- Viscosity Modifier: Helps adjust product consistency and flow properties, contributing to optimal texture and application characteristics.
- Penetration Enhancer: Facilitates the delivery of active ingredients into the upper layers of the skin, improving product efficacy.
Application Areas
- Skin Care: Widely incorporated into facial moisturizers, anti-aging creams, serums, essences, toners, facial mists, and sheet masks for superior hydration.
- Hair Care: Used in shampoos, conditioners, leave-in treatments, and styling products to improve moisture retention and hair manageability.
- Color Cosmetics: Functions as a humectant and solvent in foundations, BB creams, concealers, and lip products, enhancing texture and wear comfort.
- Sun Care: Stabilizes formulations and improves spreadability in sunscreens, after-sun lotions, and tanning products.
- Fragrances: Serves as an odorless solvent and fixative in perfumes and body sprays, maintaining fragrance integrity.
- Natural & Organic Cosmetics: An essential ingredient in ECOCERT and COSMOS-compliant formulations, supporting clean beauty initiatives.
- Baby & Sensitive Skin Care: Its mild, non-irritating profile makes it ideal for formulations targeting delicate and reactive skin types.
Manufacturing Process
- Fermentation: 1,3-Propanediol is produced through a proprietary microbial fermentation process using renewable corn sugar (glucose) as the primary feedstock. Selected microorganisms are cultivated under precisely controlled aerobic and anaerobic conditions to convert glucose into PDO with high selectivity and yield.
- Separation & Purification: The fermentation broth undergoes a multi-stage separation process including microfiltration, ion exchange chromatography, and distillation to remove biomass, residual sugars, organic acids, and other by-products, resulting in a highly purified PDO stream.
- Quality Control: Every production batch is subjected to rigorous analytical testing, including GC purity analysis, Karl Fischer moisture determination, pH measurement, ICP-MS heavy metal screening, and microbiological testing to ensure full compliance with cosmetic ingredient specifications.
- Packaging & Storage: The finished product is packaged in sealed HDPE drums (200 kg) or IBC totes (1,000 kg) under nitrogen blanketing to prevent moisture absorption and oxidation, then stored in temperature-controlled warehouses prior to shipment.
Why Choose Us
Interested in This Product?
Contact our team for a competitive quote, free sample, or technical consultation. Worldwide shipping available with custom packaging options.
Request a QuoteRequest Free Sample- Premium Bio-Based Quality: Our 1,3-Propanediol is produced from 100% renewable plant-based feedstock, delivering the highest purity standards (≥ 99.5%) for demanding cosmetic applications.
- Consistent Supply Chain: With annual production capacity exceeding 10,000 metric tons and strategic warehousing across multiple regions, we guarantee reliable and timely deliveries for customers worldwide.
- Technical Expertise: Our dedicated team of cosmetic chemists and application specialists provides comprehensive formulation support, sample testing, and troubleshooting to help you achieve optimal results.
- Regulatory Compliance: Full documentation packages available, including COA, MSDS, TDS, and regulatory statements. Our PDO meets COSMOS, ECOCERT, and ISO 16128 natural origin index requirements.
- Competitive Value: Direct manufacturer pricing with flexible order quantities, from sample sizes for R&D evaluation to full container loads for commercial production.
Frequently Asked Questions
Q1: What is 1,3-Propanediol and how does it differ from propylene glycol?
A1: 1,3-Propanediol (PDO) is a bio-based diol produced from renewable corn sugar via fermentation, whereas conventional propylene glycol (1,2-propanediol) is typically petroleum-derived. PDO offers superior moisturizing performance, better skin tolerance, and a more sustainable origin profile, making it the preferred choice for premium natural and organic cosmetic formulations.
Q2: Is 1,3-Propanediol safe for use in cosmetic products?
A2: Yes, 1,3-Propanediol has been extensively evaluated and is recognized as safe for cosmetic use by regulatory bodies worldwide including the CIR (Cosmetic Ingredient Review). It is non-irritating, non-sensitizing, and suitable for all skin types including sensitive and baby skin.
Q3: What is the recommended usage concentration of 1,3-Propanediol in formulations?
A3: The typical use level ranges from 1% to 15%, depending on the product type and desired functionality. For humectant and moisturizing effects in leave-on products, 2% to 5% is common. As a solvent or co-solvent, up to 10% may be used. Our technical team can provide personalized recommendations based on your specific formulation goals.
Q4: Can 1,3-Propanediol be used in natural and organic certified formulations?
A4: Absolutely. Our bio-based 1,3-Propanediol is derived from 100% renewable plant sources and meets the natural origin index requirements of ISO 16128. It is compliant with COSMOS and ECOCERT standards, making it an excellent choice for natural and organic certified cosmetic products.
Q5: How should 1,3-Propanediol be stored and what is its shelf life?
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A5: 1,3-Propanediol should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. Keep containers tightly sealed when not in use. Under recommended storage conditions, the product has a shelf life of 24 months from the date of manufacture. Avoid prolonged exposure to humid air as PDO is hygroscopic.
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