Natural Glycerol for Food Industry Sweetener Moisture Absorber
Product Description
Product Description
Chemical Properties
Esterification: reacts with acids to form esters, e.g. esterification with benzene dicarboxylic acid to form alkyd resins.
Ester exchange reaction: ester exchange reaction with esters.
Dehydration reaction: there are two ways to dehydrate glycerol, intermolecular dehydration to get diglycerol and polyglycerol, and intramolecular dehydration to get acrolein.
Physical Properties
Hygroscopicity: Glycerol has excellent hygroscopicity due to the three hydroxyl groups in its molecular structure, which can absorb moisture from the air and gases such as hydrogen sulphide, hydrogen cyanide.
Flammability: Glycerol is flammable and can cause combustion and explosion when it meets chromium dioxide and other strong oxidants.
Uses
Food industry: Glycerol is non-toxic has a sweet taste, and is commonly used as a sweetener in the food industry. In addition, due to its hygroscopicity, glycerine is used as a humectant in formulations.
Cosmetics: Glycerine is used in a variety of cosmetics to provide moisturisation to the skin.
Chemical industry: Glycerol is an important raw material in the chemical industry, and can be used to make nitroglycerin, epoxy resin and so on. At the same time, it can also be used to make various solvents, diluents, antifreeze and so on. In gas chromatography, glycerol is often used as a fixed liquid.
Fuel: Glycerol can be used as aircraft fuel and antifreeze for automobile fuel.
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Glycerol Basic information
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Product Name:
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Glycerol
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| Other Name: | Glycerin; 1,2,3-propanetriol; Glycerol; 1,2,3-Propanetriol; 1,2,3-trihydroxypropane |
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CAS:
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56-81-5
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MF:
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C3H8O3
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MW:
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92.09
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EINECS:
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200-289-5
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Mol File:
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56-81-5.mol
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Glycerol Chemical Properties
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Melting point
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20 °C(lit.)
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Boiling point
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290 °C
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Density
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1.25 g/mL(lit.)
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Vapor density
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3.1 (vs air)
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Vapor pressure
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<1 mm Hg ( 20 °C)
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Refractive index
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n20/D 1.474(lit.)
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FEMA
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2525 | GLYCEROL
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FP
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320 °F
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Storage temp.
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Store at +5°C to +30°C.
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Solubility
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H2O: 5 M at 20 °C, clear, colorless
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Form
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Viscous Liquid
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PKA
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14.15(at 25ºC)
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color
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APHA: ≤10
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Specific Gravity
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1.265 (15/15ºC)1.262
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PH
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5.5-8 (25ºC, 5M in H2O)
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PH Range
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5.5 - 8
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Odor
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Odorless.
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Explosive limit
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2.6-11.3%(V)
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Water Solubility
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>500 g/L (20 ºC)
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λmax
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λ: 260 nm Amax: 0.05
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λ: 280 nm Amax: 0.04
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Sensitive
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Hygroscopic
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JECFA Number
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909
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BRN
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635685
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Exposure limits
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OSHA: TWA 15 mg/m3; TWA 5 mg/m3
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InChIKey
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PEDCQBHIVMGVHV-UHFFFAOYSA-N
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CAS DataBase Reference
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56-81-5(CAS DataBase Reference)
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NIST Chemistry Reference
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1,2,3-Propanetriol(56-81-5)
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EPA Substance Registry System
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Glycerine (56-81-5)
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Serial No.
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Testing Item
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Standard
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Result
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1
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Color (APHA)
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30max
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10
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2
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Content
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99min
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99.67
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3
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Specific Gravity(25ºC)
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1.2598min
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1.2612
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4
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(%)Chloride
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0.001max
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<0.001
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5
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(%)Ash
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0.01max
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<0.01
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6
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Acidity(mmol/100g)
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0.05Max
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0.03
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7
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(mm0l/100g)
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1.0max
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0.2
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8
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(As ),mg/kg
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≤2
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≤2
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9
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(As ),mg/kg
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≤5
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≤5
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1. Used to make nitroglycerin, alkyd resin and epoxy resin.
2. In medicine, it is used to prepare various preparations, solvents, hygroscopic agents, antifreeze and sweeteners, and to
prepare external ointments or suppositories.
3. In the coating industry, it is used to prepare various alkyd resins, polyester resins, glycidyl ethers and epoxy resins.
4. Used in the textile and printing and dyeing industries to prepare lubricants, moisture absorbents, fabric anti-shrinkage
treatment agents, diffusing agents and penetrants.
5. In the food industry, it can be used as a sweetener, hygroscopic agent and solvent for tobacco agents.
6. It is widely used in papermaking, cosmetics, tanning, photography, printing, metal processing, electrical materials and rubber
industries.
7. It is also used as fuel for automobiles and airplanes as well as antifreeze in oil fields.
8. Glycerin can be used as a plasticizer in the new ceramic industry.
Q:What is your packing?
A: The products are usually packaged in bags, cartons and drums. Product packaging varies according to the product.We accept custom packaging.
Q:What is the delivery time?
A: Products are in stock. Shipping time depends on the type and quantity of the product. About 7-15 days.
Q:What is the payment terms?
A: TT or spot letter of credit. The payment method is determined by negotiation.
Q:What is your transport?
A: Normally by sea ,by truck or by Rail;Urgently by air .
Q:Can I get the sample before placing the order?
A: Of course,we can provide samples for your test.You just need to tell us the address and the quantity of samples you need.
Q:Can you give me a discount?
A: Of course, we will offer you the best discount according to the quantity of your order.
Q:Where is your shipping port?
A: Tianjin port,Qingdao port,Ningbo port and Shanghai port.
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