Glycerol
CAS Registry Number: 56-81-5
Official Chemical Name: Glycerol
Common Synonyms & Aliases: Glycerin, Trihydroxypropane, Emery 912, Glyceol, Glycerin USP
Molecular Formula: C₃H₈O₃
Structural Formula: CH₂OHCHOHCH₂OH
Molecular Weight: 92.09
HS Customs Code: 2905450000
Appearance & Odor: Colorless, transparent viscous liquid with a distinctive sweet taste
Sample Service: Free samples are available upon request
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Products Description of Glycerol CAS#56-81-5
Glycerol is the simplest trihydric alcohol and a high-value organic chemical intermediate.
- Solubility: Fully miscible with water and ethanol; slightly soluble in diethyl ether and ethyl acetate
- Relative Density: 1.261 g/cm³ (20°C)
- Boiling Point: 290°C
- Melting Point: 17.8°C
- Flash Point: 160°C
- Chemical Stability: Stable under normal room temperature storage environments; no spontaneous decomposition under conventional conditions
Parameters
| Melting point | 20 °C(lit.) |
| Boiling point | 290 °C |
| density | 1.25 g/mL(lit.) |
| vapor density | 3.1 (vs air) |
| vapor pressure | <1 mm Hg ( 20 °C) |
| refractive index | n 20/D 1.474(lit.) |
| FEMA | 2525 | GLYCEROL |
| Fp | 320 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | H2O: 5 M at 20 °C, clear, colorless |
| pka | 14.15(at 25℃) |
| form | Viscous Liquid |
| color | APHA: ≤10 |
| Specific Gravity | 1.265 (15/15℃)1.262 |
| Odor | Odorless. |
| PH Range | 5.5 – 8 |
| PH | 5.5-8 (25℃, 5M in H2O) |
| explosive limit | 2.6-11.3%(V) |
| Odor Type | odorless |
| biological source | synthetic (organic) |
| Water Solubility | >500 g/L (20 ºC) |
| Sensitive | Hygroscopic |
| λmax | λ: 260 nm Amax: 0.05 λ: 280 nm Amax: 0.04 |
| Merck | 14,4484 |
| JECFA Number | 909 |
| BRN | 635685 |
| Dielectric constant | 47.0（Ambient） |
| Exposure limits | OSHA: TWA 15 mg/m3; TWA 5 mg/m3 |
| Stability: | Stable. Incompatible with perchloric acid, lead oxide, acetic anhydride, nitrobenzene, chlorine, peroxides, strong acids, strong bases. Combustible. |
| InChIKey | PEDCQBHIVMGVHV-UHFFFAOYSA-N |
| LogP | -2.32 |
| Surface tension | 64mN/m at 20°C |
| CAS DataBase Reference | 56-81-5(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,2,3-Propanetriol(56-81-5) |
| EPA Substance Registry System | Glycerine (56-81-5) |
| Absorption | ≤0.02 at 280nm in H2O at 0.5M ≤0.07 at 260nm in H2O at 0.5M |
Safety Information
| Hazard Codes | F,Xn |
| Risk Statements | 36-20/21/22-11 |
| Safety Statements | 24/25-39-26 |
| RIDADR | UN 1282 3/PG 2 |
| WGK Germany | 1 |
| RTECS | MA8050000 |
| F | 3 |
| Autoignition Temperature | 698 °F |
| TSCA | Yes |
| HS Code | 29054500 |
| Hazardous Substances Data | 56-81-5(Hazardous Substances Data) |
| Toxicity | LD50 in rats (ml/kg): >20 orally; 4.4 i.v. (Bartsch) |
Product Application of Glycerol CAS#56-81-5
Glycerol is an essential basic organic raw material with more than 1,700 different application scenarios, widely adopted in industrial manufacturing, pharmaceutical production and daily consumer goods sectors.
Main Application Fields
- Pharmaceutical industry
- Cosmetics & personal care products
- Food processing industry
- Fragrance and flavor formulations
- Soap manufacturing
- Antifreeze solution preparation
- Explosive production
- Alkyd resin synthesis
- Tobacco processing
- Cellulose film & celluloid manufacturing
- Textile dyeing and finishing treatment
Market Demand Trend
The market consumption of glycerol in alkyd resin, celluloid and explosive manufacturing sectors is slowly decreasing year by year. In contrast, the demand from pharmaceutical, cosmetic and food industries is expected to maintain steady and continuous growth in the long term.
Factory and Equipment Show
Fast delivery time
Inventory 2-3 working days New production 7-10 working days
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