TIANFU-CHEM - Ethylene glycol CAS NO.107-21-1

Min.Order Quantity:: 1 Kilogram

Purity:: 99%

Port:: Shanghai

Payment Terms:: L/C,D/A,D/P,T/T,MoneyGram,Other

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Product Details

Keywords

Ethylene glycol
107-21-1
C2H6O2

Quick Details

ProName: TIANFU-CHEM - Ethylene glycol
CasNo: 107-21-1
Molecular Formula: C2H6O2
Appearance: clear viscous liquid
Application: Organic synthesis
DeliveryTime: Prompt
PackAge: IN 25kg drums
Port: Shanghai
ProductionCapacity: 10 Metric Ton/Month
Purity: 99%
Storage: room tempurature
Transportation: As per the MSDS
LimitNum: 1 Kilogram
Heavy metal: N/A
Grade: Industrial Grade,Food Grade,Pharma Gra...
N/A: N/A

Superiority

our company engages in sodium tripolyphosphate (stpp) and sodium hexametabphosphate (shmp) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals imp&exp trading business. the company is located in zhengzhou high-tech development zone with import and export license. we passed iso 9001:2008 in 2009, and won "high-tech enterprise" by provincial government in 2013. our stpp and shmp has reached an annual output of 30000 tons and has successfully passed sgs, ciq audits on many occasions.

in 2011 we entered the fine chemical market of noble metal catalyst ,organic phosphine ligands and oled intermediates.with the joint efforts of our senior experts and professional technicians, tianfu has developed more than 500 compounds, which are widely used in the fields of production and life science. the objective of the company is to put quality first and put our customer’s needs first - the satisfaction of our customers is the company's ultimate goal. improving product quality and service level is our responsibility, and creating more value for our customer’s is our purpose. we are constantly striving to make henan tianfu a leading chemical supplier, and hope to create a better future with you.

Details

ethylene glycol basic information

dihydric alcohol poisoning and first aid chemical properties application production method category toxicity grading acute toxicity irritation data hazardous characteristics of explosive flammability and hazard characteristics storage characteristics extinguishing agents professional standards

product name:	ethylene glycol
synonyms:	ethylene-d4 glycol-d2;ethylene glycol-d6;gill 3 method hematoxylin stain;gill hematoxylin solution no iii;gill's hematoxylin no 3;gill's hematoxylin solution no 3;gills iii haematoxylin;hematoxylin solution gill no 3
cas:	107-21-1
mf:	c2h6o2
mw:	62.07
einecs:	203-473-3
product categories:	alpha,omega-alkanediols;alpha,omega-bifunctional alkanes;ethylene glycols;ethylene glycols & monofunctional ethylene glycols;monofunctional & alpha,omega-bifunctional alkanes;chemistry;hematology and histology;routine histology stains;anhydrous solvents;chemical synthesis;others;protecting and derivatizing reagents;protection and derivatization;solvent bottles;solvent by application;solvent packaging options;solvents;sure/seal bottles;synthetic reagents;essential chemicals;inorganic salts;plastic bottles;research essentials;solutions and reagents;technical grade;acs and reagent grade solvents;amber glass bottles;carbon steel flex-spout cans;reagentplus;reagentplus solvent grade products;semi-bulk solvents;nmr;spectrophotometric grade;spectrophotometric solvents;spectroscopy solvents (ir;uv/vis);analytical reagents;analytical/chromatography;microscopy reagents;puriss p.a.;various chemicals;polyhydroxy compounds;alcohols;analytical standards;chemical class
mol file:	107-21-1.mol

ethylene glycol chemical properties

mp	-13 °c(lit.)
bp	196-198 °c(lit.)
density	1.220 g/ml at 25 °c
vapor density	2.1 (vs air)
vapor pressure	0.08 mm hg ( 20 °c)
refractive index	n20/d 1.431(lit.)
fp	230 °f
storage temp.	2-8°c
color	blue
water solubility	miscible
freezingpoint	-11.5℃
sensitive	hygroscopic
merck	14,3798
brn	505945
cas database reference	107-21-1(cas database reference)
nist chemistry reference	1,2-ethanediol(107-21-1)
epa substance registry system	1,2-ethanediol(107-21-1)

safety information

hazard codes	xn
risk statements	22-36-41
safety statements	26-39
ridadr	un 1219 3/pg 2
wgk germany	3
rtecs	kw2975000
f	3
hs code	29053100
hazardous substances data	107-21-1(hazardous substances data)

msds information

provider	language
ethylene glycol	english
sigmaaldrich	english
acros	english
alfa	english

ethylene glycol usage and synthesis

dihydric alcohol	ethylene glycol is the simplest aliphatic dihydric alcohol with chemical properties of alcohols such as being capable of generating ether, ester, or being oxidized into acid or aldehyde as well as being condensed to form ether or being substituted by halogen. its reaction with acyl chloride or acid anhydride generally forms di-esters. under heating in the presence of catalyst (manganese dioxide, aluminum oxide, zinc oxide or sulfuric acid), it can be subject to intermolecular or intramolecular dehydration to form the cyclic ethylene acetals, which can react with nitric acid to generate glycol dinitrate (an explosive). ethylene glycol is the raw material for production of polyester resins, alkyd resins and polyester fiber. it can also be used as the refrigerant agent for automobile and aircraft engines refrigerant. in 1980, the glycol amount used as refrigerant agent is equal to the amount consumption for producing polyester. in addition, it can also be used for synthesizing polymers such as polyester fibers. ethylene glycol dinitrate, when used in combination with nitroglycerine can reduce the freezing point of explosives. ethylene glycol can also be used as the raw material of pharmaceuticals and plastics and high-boiling solvents. industry applied ethylene as a raw material with first converting it to ethylene oxide and then hydrolyzing to produce ethylene glycol. this product is of fire and explosion hazards. it is irritating to skin and mucous membrane with inhalation of vapors or skin absorption producing a narcotic effect on the central nervous as well as causing kidney damage. rat, through oral administration, has a ld50 of 8540 mg/kg. the maximal allowable concentration in the workplace is 5 × 10-6. this information is edited by xiongfeng dai from chemicalbook.
poisoning and first aid	this product is of low toxicity. rat ld50: 5.5ml / kg ~ 8.54ml / kg. people who is subject to oral administration by once has a ld50 of 80g ~ 100g. the plasma concentration of ethylene glycol is 2.4g / l and can cause acute renal failure. it can be absorbed through the digestive tract, respiratory tract and skin. it can be discharged from the kidney in the form of prototype or ethanedioic acid (oxalate) from through oxidation. glycol, after being oxidized into carbon dioxide, can be discharged from the respiratory tract. although ethylene glycol has a high toxicity but its volatility is small. therefore, it is unlikely that the inhalation of it during production can cause severe poisoning. inhalation poisoning is manifested as blurred consciousness, nystagmus and urine containing protein, calcium oxalate crystals and red blood cells. oral toxicity in clinical practice can be divided into three stages: the first stage is mainly the central nervous system symptoms, such as the performance of ethanol poisoning; the second phase of the main symptoms mainly include shortness of breath, cyanosis, and various manifestations of pulmonary edema or bronchopneumonia; at the third stage, there may be significant renal disease, low back pain, kidney area percussion pain, renal dysfunction, proteinuria, hematuria, urine containing calcium oxalate crystals, as well as oliguria, anuria and even acute renal failure. patients mistakenly take it should be subject to the treatment based on the general principles of first aid for oral poisoning and can be given 600 ml of 1/6 mol of sodium lactate solution and 10 ml of 10% calcium gluconate through intravenous infusion. patients of severe poisoning can subject to treatment of artificial kidney dialysis. container of ethylene glycol should have "toxic agents" mark. the product, upon heating, should be sealed, vented to prevent inhalation of the vapor or aerosol. avoid long-term direct skin contact with the product.
chemical properties	it is colorless transparent viscous liquid with sweet taste and moisture absorption capability. it is also miscible with water, low-grade aliphatic alcohols, glycerol, acetic acid, acetone, ketones, aldehydes, pyridine and similar coal tar bases. it is slightly soluble in ether but almost insoluble in benzene and its homologues, chlorinated hydrocarbons, petroleum ether and oils.
application	glycol is mainly used as the antifreeze agent for preparation of the automobile cooling systems and the raw material for the production of polyethylene terephthalate (the raw material of polyester fibers and plastics material). it can also be used for the production of synthetic resins, solvents, lubricants, surfactants, emollients, moisturizers, explosives and so on. glycol can often used as alternative of glycerol and can often be used as hydration agent and solvent in the tanning industry and pharmaceutical industry. glycol has a strong dissolving capability but it is easily to be oxidized to toxic metabolic oxalic acid and therefore can’t be widely used as a solvent. the ethylene glycol can be supplemented to the hydraulic fluid and can be used for preventing the erosion of oil-based hydraulic fluid on the rubber of the system; the water-based hydraulic fluid with ethylene glycol as a main component is an inflammable hydraumatic fluid and can be applied to the molding machine in aircraft, automobiles and high-temperature operation. there are many important derivatives of ethylene glycol. low molecular weight polyethylene glycol (mono-uret ethylene glycol, bi-uret ethylene glycol, tri-uret ethylene glycol or respectively called as diethylene glycol, triethylene glycol, tetraethylene glycol) is actually the byproduct during the hydration of ethylene oxide b for preparation of ethylene glycol.
production method	1. direct hydration of ethylene oxide is currently the only way for industrial-scale production of ethylene glycol. ethylene oxide and water, under pressure (2.23mpa) and 190-200 ℃ conditions, and can directly have liquid-phase hydration reaction in a tubular reactor to generate ethylene glycol while being with byproducts diethylene glycol, tripropylene ethylene gl]ycol and multi-uret poly ethylene glycol. the dilute ethylene glycol solution obtained from the reaction further undergoes thin film evaporator condensation, and then dehydration, refinement to obtain qualified products and by-products. 2. sulfuric acid catalyzed hydration of ethylene oxide; ethylene oxide can react with water, in the presence of sulfuric acid as the catalyst, at 60-80 ℃ and pressure of 9.806-19.61kpa for hydration to generate ethylene glycol. the reaction mixture can be neutralized by liquid alkaline and evaporated of the water to obtain 80% ethylene glycol, and then distilled and concentrated in distillation column to obtain over 98% of the finished product. this method is developed in early time. owing to the presence of corrosion, pollution and product quality problems, together with complex refining process, countries have gradually discontinued and instead change to direct hydration. 3. direct ethylene hydration; directly synthesize ethylene glycol from ethylene instead of being via ethylene oxide. 4. dichloroethane hydrolysis. 5. formaldehyde method. industrial preparation of ethylene glycol adopts chlorine ethanol method, ethylene oxide hydration and direct ethylene hydration with various methods having their characteristics, as described below. chlorohydrin method take chloroethanol as raw materials for hydrolysis in alkaline medium to obtain it. the reaction is carried out at 100 ℃. first generate ethylene oxide. then pressurize at 1.01 mpa pressure to obtain ethylene glycol. ethylene oxide hydration hydration of ethylene oxide contains catalytic hydration and direct hydration. the hydration process can be carried out under either normal pressure or under compression. normal pressure method generally take a small amount of inorganic acid as catalyst for reaction at 50 ~ 70 ℃. pressurized hydration had a high demand for the molar ratio of ethylene oxide over water which is higher than 1:6, to reduce the side reaction of producing the ether with the reaction temperature being at 150 °c and the pressure being 147kpa with hydration generating ethylene glycol. there are currently gas phase catalytic hydration with silver oxide being the catalyst and the alumina oxide being the carrier for reaction at 150 ~ 240 ℃ to generate ethylene glycol. direct hydration of ethylene ethylene, in the presence of catalyst (e.g., antimony oxide teo2 with palladium catalyst) can be oxidized in acetic acid solution to generate monoacetate ester or diacetate ester with further hydrolysis obtaining the ethylene glycol. the above several methods takes ethylene oxide hydration as good with simple process and is suitable for industrialization.
category	flammable liquid.
toxicity grading	poisoning.
acute toxicity	oral-rat ld50: 4700 mg / kg; oral - mouse ld50: 5500 mg / kg.
irritation data	skin- rabbit 555 mg mild; eyes - rabbit 500 mg / 24 hr mild.
hazardous characteristics of explosive	being mixed with air can be explosive.
flammability and hazard characteristics	it is combustible in case of fire, high temperature and strong oxidant with burning releasing smoke irritation.
storage characteristics	treasury: ventilation, low-temperature and dry.
extinguishing agents	foam, carbon dioxide, water spray, sand.
chemical properties	clear viscous liquid
professional standards	twa 60 mg / m³; stel 120 mg / m3.
usage	reagent typically used in cyclocondensation reactions with aldehydes1 and ketones1,2 to form 1,3-dioxolanes.
general description	ethylene glycol is a clear, colorless syrupy liquid. the primary hazard is the threat to the environment. immediate steps should be taken to limit its spread to the environment. since ethylene glycol is a liquid ethylene glycol can easily penetrate the soil and contaminate groundwater and nearby streams.
reactivity profile	mixing ethylene glycol in equal molar portions with any of the following substances in a closed container caused the temperature and pressure to increase: chlorosulfonic acid, oleum, sulfuric acid, [nfpa 1991].
health hazard	inhalation of vapor is not hazardous. ingestion causes stupor or coma, sometimes leading to fatal kidney injury.
fire hazard	ethylene glycol is combustible.