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Glycerin #56-81-5

Glycerin #56-81-5
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Product Parameters

Glycerol can lubricate and stimulate the intestinal wall, soften the stool to facilitate its excretion. It also has a dehydrating effect; when formulated into a compound injection with sodium ascorbate for intravenous administration, it can reduce intraocular pressure. When used externally, it has a hygroscopic effect and softens local tissues. It can dissolve borax, boric acid, phenol, nucleic acids, salicylic acid, etc. It is mainly used for constipation in children and the elderly and infirm, rescue of general cerebral edema, treatment of glaucoma, and chapped and peeling skin in winter.

PropertyValue
Melting Point20 °C (lit.)
Boiling Point290 °C
Density1.25 g/mL (lit.)
Vapor Density3.1 (vs air)
Vapor Pressure<1 mm Hg (20 °C)
Refractive Indexn20/D 1.474 (lit.)
FEMA2525 | GLYCEROL
Flash Point320 °F
Storage ConditionStore at +5°C to +30°C.
SolubilityH₂O: 5 M, 20 °C, clear, colorless
pKa14.15 (at 25°C)
FormViscous liquid
ColorAPHA: ≤10
Specific Gravity1.265 (15/15°C)1.262
OdorOdorless.
pH Value5.5-8 (25°C, 5M in H2O)
pH Range for Acid-Base Indicator Color Change5.5 - 8
Odor Typeodorless
Biological Sourcesynthetic (organic)
Explosive Limit (Explosive Limit)2.6-11.3%(V)
Water Solubility>500 g/L (20 °C)
SensitivityHygroscopic
Maximum Wavelength (λmax)λ: 260 nm Amax: 0.05λ: 280 nm Amax: 0.04


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