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Crovell Biotech (Hebei) Co., Ltd.Pentaerythritol//www.lookchem.com/300w//201001/img/115-77-5.jpg

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Pentaerythritol CAS NO.115-77-5

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1 Kilogram
Purity:
99%min
Port:
tianjin xingang
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Quick Details

  • ProName: Pentaerythritol
  • CasNo: 115-77-5
  • Molecular Formula: C5H12O4
  • Appearance: powder
  • Application: Pharmaceutical Intermediates
  • DeliveryTime: within 7 days after payment
  • PackAge: as your requirement
  • Port: tianjin xingang
  • ProductionCapacity: 200 Metric Ton/Month
  • Purity: 99%min
  • Storage: 200MT
  • Transportation: by sea or by air
  • LimitNum: 1 Kilogram
  • Moisture Content: none
  • Impurity: 0.0001%
  • heavy metals: none

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So far, Crovell has business in more than 35 countries,most big customers come from europe and America, because among the suppliers in china,Crovell can always make the product quality best, some of the products from Crovell can reach the purity of 99.9+, such as 2-p henylacetamide. This is the important reason for customers who choosing Crovell.


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Details

Product Name: Pentaerythritol
Synonyms: 2,2-bis(hydroxymethyl)-3-propanediol;3-Propanediol,2,2-bis(hydroxymethyl)-1;Auxenutril;Auxinutril;Hercules Improved Tech. PE;Hercules Mono-PE;Hercules P6;herculesp6
CAS: 115-77-5
MF: C5H12O4
MW: 136.15
EINECS: 204-104-9
Product Categories: NULL;Fine Chemical;INORGANIC & ORGANIC CHEMICALS;Organics
Mol File: 115-77-5.mol
Pentaerythritol Structure
Pentaerythritol Chemical Properties
Melting point 257 °C
Boiling point 276 °C30 mm Hg(lit.)
density 1.396
vapor pressure <1 mm Hg ( 20 °C)
refractive index 1.548
Fp 240 °C
storage temp. Store below +30°C.
solubility H2O: 0.1 g/mL, clear, colorless
form Crystals
color White
PH 3.5-4.5 (100g/l, H2O, 35℃)
Water Solubility 1 g/18 mL (15 ºC)
Sensitive Hygroscopic
Merck 14,7111
BRN 1679274
Stability: Stable. Incompatible with strong acids, strong oxidizing agents, acid chlorides, acid anhydrides. Combustible.
CAS DataBase Reference 115-77-5(CAS DataBase Reference)
NIST Chemistry Reference 1,3-Propanediol, 2,2-bis(hydroxymethyl)-(115-77-5)
EPA Substance Registry System 1,3-Propanediol, 2,2-bis(hydroxymethyl)-(115-77-5)
Safety Information
Risk Statements 33
Safety Statements 24/25
WGK Germany 1
RTECS RZ2490000
TSCA Yes
HS Code 29054200
Hazardous Substances Data 115-77-5(Hazardous Substances Data)
MSDS Information
Provider Language
2,2-Bis(hydroxymethyl)-1,3-propanediol English
SigmaAldrich English
ACROS English
ALFA English
Pentaerythritol Usage And Synthesis
Physical and chemical properties Pentaerythritol is also called 2, 2-double (hydroxymethyl)-1, 3-propanediol, four hydroxymethyl methane, MetabAuxil, Penetek. White crystal powder. It was first found in 1882 by Tollens, and is colorless tetragonal crystal double tetrahedral crystal precipitated from dilute hydrochloric acid. The relative molecular mass is 136.15. Relative density is 1.399. Melting point is 262 oC (industrial products containing 10%~15% Dipentaerythritol, melting point is 180~225 oC). The boiling point is 276 oC (4.00 x 103 pa). The refractive index is 1.54~1.56. Can sublimate. Slowly soluble in cold water, soluble in hot water, insoluble in carbon tetrachloride, ethyl ether, benzene, petroleum ether, ethanol, acetone, solubility at 25 oC (g/100 g) in water, methanol, ethanol, butylamine, dimethyl sulfoxide, ethanolamine are 0.75, 7.23, 0.33, 16, 16.5 4.5, respectively. 1 g of dipentaerythritol can soluble in 18 ml of water at 15 oC. Pentaerythritol will polymerize when heated to above melting point, and generates a shrinkage second shrinkage e four season three pentaerythritol, etc. Stability in the air. The hydroxyl groups of Pentaerythritol can form complex with many kinds of metal; Can directly react with nitric acid trough nitration; Under the effect of catalyst, the hydroxy can be oxidized to acid; Can react with chlorine to generate the chloride; In acid medium, the product react with carbonyl compounds, generate cyclic acetal and ketal; Like other alcohols, can esterify with an acid or anhydride to generate four ester; The halides can dehalogenate to generate cyclic ether in the role of alkali. The addition reaction intermediate of 3-hydroxy aldehyde can react with formaldehyde through Cannizzaro reaction to generate season four amyl alcohol and formic acid. In 1938, it was first generated by United States with acetaldehyde and five times the amount of formaldehyde in the reaction of calcium hydroxide solution system. It is the only production method used in the industrial. Main purpose is to make explosives and synthetic resin (mainly used for various coatings).
The main purpose and effect As quaternary alcohol, pentaerythritol is easily generated by esterification acid and ester, so most of the classes used in alkyd resin coatings raw materials, mainly used for architectural coatings and automotive primer. Pentaerythritol is used to esterification with nitric acid to generate pentaerythritol tetranitrate (also known as PETN) in 5~15 oC in industrial, which is a kind of high explosives and bigger than TNT explosive, most as a booster, or mix with TNT. A lot of PETN have been used in the second world war. PETN has the effect of diastolic blood vessels, is a long-term vasodilator and can treat angina pectoris. Pentaerythritol reaction with rosin acid can produce rosin pentaerythritol ester, which can be mixed with drying oil and is a kind of coating with better hardness, water resistance and weather resistance, can be used in ink of varnish, floor, etc. By esterification condensation pentaerythritol or glycerol with phthalic anhydride, fatty acid can make an alkyd resin coating. Use of different kinds and different amount of fatty acid can improve the properties of alkyd resin, making it a suitable coating of various kinds in need. It is widely used as a coating on the surface of the metal, wood, as a bridge, railway, derrick, building and other aspects of commonly used industrial paint and architectural paint. Because of the price is low, alkyd resin of reactants, easy modification, strong adaptability, good comprehensive, it has become the backbone of the coating industry since 1927.
Pentaerythritol is often used in coating industry, is of alkyd coating raw material for the production of highly cross linked coatin using four hydroxyls, the coating has good hardness and color, can improve the hardness, luster and durability of the coating film. Used as varnish, paint and ink production of rosin ester raw material, and can be used as flame retardants, drying oil, aviation lubricating oil. Pentaerythritol fatty acid ester is polyvinyl chloride (PVC), plasticizer and stabilizer is also used in medicine, pesticide, lube oil manufacture.
Pentaerythritol acrylic ester generated by Pentaerythritol and acrylic acid has a fast drying property, it is widely used in radiation-curing coatings and quick drying of printing ink, water soluble alkyd resin, the polymer can be used as adhesive. The C6~C10 fatty acid ester of Pentaerythritol are mainly used as advanced lubricant for steam turbine, automobile engine etc. The ester produced by this product with C10~C12 fatty acid, can be used as a plastic plasticizer, which has low volatility and high ageing resistance; Reaction with epoxy compound, and its product can be used as a surface active agent, widely used in detergent and cosmetics and perfume raw materials; This product is used as the material of explosives, medicine, pesticides, organic intermediates, etc.
The above information is edited by the Chemicalbook of Duan Yalan.
Chemical additives Pentaerythritol can be used as a stabilizing agent, and has synergistic effect with zinc salt stabilizers, can replace allyl chloride to stabilize PVC. General dosage is half serving. But the compatibility with the resin of this product is small, easy to bloom, and soluble in water, easy sublimation, easy deposit on processing equipment and interfere with the processing in the process of sublimation.
Harmful effects and symptoms of poisoning Pentaerythritol has low toxicity, from rat infected through the mouth to the dose of 40 g/kg body weight, no obvious toxic symptoms. The US Food and Drug Administration permits it for food packaging materials (FDA121.2566), the highest dosage is 0.4%.
Someone reports and food studies showed that 85% of pentaerythritol were discharged from the urine after oral within 30 h. Generally speaking, according to the usual route of exposure even under abnormal use concentration, no significant effect to health.
Uses It is mainly used in alkyd resin production, also used for manufacturing ink, lubricants, plasticizer, surface active agent, explosives and drugs raw materials.
Used as a resin and synthetic fiber antistatic agent, solvent conditioner, oil, etc.
Pentaerythritol is mainly used in the coating industry, is the source of alkyd resin coating, can make the coating film hardness, gloss, with improved durability, it is used as varnish, color paint and printing ink of pine resin needed raw materials, and with smoldering sex coating, drying oil and matter could be empty lubricating oil and so on. Pentaerythritol tetranitrate is a kind of high explosives (taian); The fatty acid ester is an efficient lubricant and PVC plasticizer; The epoxide production is the raw material from the raw surface active agent, pentaerythritol easy forms authority complex with metal, also as hard water softener used in detergent formulation, in addition, it can also be used in medicine, pesticide and other production.
Gas chromatographic stationary liquid [highest use temperature 150 ℃, the solvent of chloroform + butyl alcohol (1:1)], separation and analysis of low boiling point oxygen-containing compounds, amine compounds, nitrogen or oxygen heterocyclic compounds. Organic synthesis, preparation, resin synthesized polyols.

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