Molekula
Glycerol ≥99.5%
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Glycerol ≥99.5% is a simple polyol compound and a colorless, odorless, viscous liquid widely used as a humectant in cosmetics, a solvent in pharmaceuticals, and a sweetener in food production. It also serves as a lubricant, plasticizer, and intermediate in chemical synthesis. CAS 56-81-5, molecular formula C3H8O3, molecular weight 92.05 g/mol. Stored at ambient conditions with no signal word required. Molekula supplies Glycerol ≥99.5% from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Molekula supplies Glycerol ≥99.5% at 99.5% - 101.0% purity in 2.5 L packs, from £70.08 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 6 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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2.5 L — £58.40 per pack ex VAT · £70.08 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear colourless liquid |
| Colour (Pt-Co) | ≤10 |
| Water | ≤0.5% |
| Heavy metals | ≤5 ppm |
| Assay | 99.5% - 101.0% |
| Sulphated Ash | ≤0.01% |
| Chlorides | ≤10ppm |
| Aldehydes | ≤10ppm |
| Halogenated Compounds | ≤35ppm |
| Identification (IR) | Conforms to reference |
| Identification (A,B,C) | Meets test |
| Refractive Index (20ºC) | 1.471 - 1.474 |
| Relative Density (20 °C) | 1.26 - 1.27 |
| Sugar | Negative |
| Acidity or alkalinity (0,1M NaOH) | ≤0.2ml |
| Esters (HCI 0,1M) | ≥ 8 |
| Any other impurities RT < glycerol | ≤0.1% |
| Impurities A (Diethylene glycol) | ≤0.1% |
| Impurity Rt (Rt Glycerol) | ≤0.1% |
| Total impurities > RT Glycerol | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Syrupy, rhombic plates |
| Odour | Mild odor |
| Melting Point | 18.1 °C |
| Boiling Point | 290 °C |
| Density | 1.26 (relative, water = 1) |
| Water Solubility | 5296 g/L at 25 °C |
| Vapour Pressure | 0.01 Pa at 25 °C |
| Refractive Index | 1.4746 |
| pKa | pKa = 14.4 |
| log P (octanol/water) | -1.76 |
Source: PubChem CID 753 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90037750 |
| CAS Number | 56-81-5 |
| IUPAC Name | propane-1,2,3-triol |
| EC Number | 200-289-5 |
| Molecular Formula | C3H8O3 |
| Molecular Weight | 92.05 |
| Exact Mass | 92.0473 |
| SMILES | C(C(CO)O)O |
| InChIKey | PEDCQBHIVMGVHV-UHFFFAOYSA-N |
| InChI | InChI=1S/C3H8O3/c4-1-3(6)2-5/h3-6H,1-2H2 |
| PubChem CID | 753 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29054500 |
| Tariff Code | 1520000000 |
Safety & GHS
Detailed safety information available in the SDS — see Documents below.
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 1,2,3-Propanetriol
- 1,2,3-trihydroxypropane
- glycerin
- Glycerine
- Glyceritol
- Glycyl alcohol
- Glyrol
- Glysanin
- Osmoglyn
- Trihydroxypropane
Frequently asked questions
What is glycerol ≥99.5% commonly used for?
Glycerol ≥99.5% is widely used in pharmaceuticals as a solvent, sweetener, and humectant; in cosmetics for moisture retention; and in food as a stabilizer, sweetener, and solvent.
What is the chemical formula and molecular weight of this glycerol?
The chemical formula is C₃H₈O₃, and the molecular weight is 92.05 g/mol.
How should glycerol ≥99.5% be stored?
Store in a tightly sealed container at ambient temperature, away from strong oxidizing agents and moisture.
What purity grades of glycerol does Molekula supply?
Molekula supplies glycerol at ≥99.5% purity, with an assay of 99.5% - 101.0%, water ≤0.5% and diethylene glycol ≤0.1%.
Can Molekula supply glycerol ≥99.5% in bulk quantities?
Yes, Molekula can supply glycerol ≥99.5% in bulk quantities, with flexible packaging options including drums, IBCs, or custom solutions.
What documentation comes with an order of glycerol ≥99.5%?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation confirming ≥99.5% purity.
Where can I buy Glycerol ≥99.5%?
Directly from Molekula, which lists Glycerol ≥99.5% in 2.5 L packs from £70.08 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.