D-Panthenol
D-Panthenol (CAS: 81-13-0), with the molecular formula C9H19NO4 and a molecular weight of 205.25 g/mol, is a vital precursor to pantothenic acid (Vitamin B5). This stable, viscous liquid is widely recognised for its humectant properties, making it a key ingredient in skincare and haircare formulations. It functions as a moisturiser, emollient, and conditioner, promoting skin and hair health.
- IUPAC
- (R)-(+)-2,4-Dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutyramide,(R)-2,4-Dihydroxy-3,3-dimethylbutyric 3-hydroxypropylamide,D-Pantothenyl alcohol,Dexpanthenol,Provitamin B
- Synonyms
- DexpanthenolD-Pantothenyl alcohol(R)-(+)-2,4-Dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutyramide(R)-2,4-Dihydroxy-3,3-dimethylbutyric 3-hydroxypropylamideProvitamin B5

Cosmetics and Personal Care
D-Panthenol is extensively used in cosmetic products for its moisturising and soothing effects on the skin. It is also a common ingredient in hair care products, where it acts as a conditioning agent to improve hair shine and manageability.
Pharmaceutical Intermediates
As a derivative of Vitamin B5, D-Panthenol finds application in the synthesis of certain pharmaceutical compounds. Its role in biological processes makes it valuable in research and development within the pharmaceutical sector.
Nutrition Research
Its close relation to Vitamin B5 makes D-Panthenol a subject of interest in nutrition research. It is used in studies investigating the metabolic pathways and nutritional requirements related to pantothenic acid.
| Molecular weight | 205.25 |
|---|---|
| Empirical formula | C9H19NO4 |
| Assay | 98% |
| Density | 1.20 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.499 |
| Optical activity | [α]20/D +30±1°, c = 5% in H2O |
| Storage temperature | 2-8°C |
| Impurities tested | ≤0.002% heavy metals≤0.5% 3-aminopropanol |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Ignition residue | ≤0.1% (as SO4) |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is D-Panthenol used for?
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D-Panthenol is primarily used in cosmetic and personal care formulations for its moisturising and conditioning properties for skin and hair. It also serves as a precursor in nutrition research and as an intermediate in chemical synthesis.
What are the CAS number and formula for D-Panthenol?
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The CAS number for D-Panthenol is 81-13-0, and its molecular formula is C9H19NO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies D-Panthenol with a minimum assay of 98%. This product is not represented as USP, BP, EP, or any other pharmacopoeial grade unless explicitly stated in the product specifications.
How should D-Panthenol be handled and stored?
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Handle D-Panthenol with appropriate personal protective equipment, including eyeshields and gloves. It should be stored at refrigerated temperatures, between 2-8°C, to maintain its stability and efficacy.
Is D-Panthenol a controlled substance?
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Based on the provided data, D-Panthenol is not listed as a controlled or scheduled substance.
How can I request a quote or sample for D-Panthenol?
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To request a quote or sample of D-Panthenol, please contact our sales team through the website or by phone. We are equipped to export globally.
What are the typical impurities in D-Panthenol?
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Typical impurities in D-Panthenol include heavy metals (≤0.002%) and 3-aminopropanol (≤0.5%).
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