Molekula
Glycerol ≥99.5%
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · 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.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
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 — $111.00 per pack
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.
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**, suitable for pharmaceutical, cosmetic, and food-grade applications.
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.
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.