Organic synthesis products
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28.10.08
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Methanol
Methanol (СН3ОН) is produced by a catalytic synthesis from the carbon and hydrogen oxides, and is used for the organic synthesis processes. Methanol is a toxic liquid. Methanol of grade A is used for the main organic synthesis processes and export deliveries.
MAIN TECHNICAL CHARACTERISTICS
| Main specifications | Normal values for the grade | |
|---|---|---|
| A | B | |
| Appearance | Colorless transparent liquid free of suspended matter | |
| Density, at °C, g/сm3 | 0.791-0.792 | |
| Mixing up with water | Can be mixed with water without any traces of turbidity and opalescence | |
| Temperature limits: a. Boiling range, °С | 64.0-65.5 | |
| 99 % of the product is rectified in the limits, °С, no more than | 0.8 | 1.0 |
| Mass fraction of water, %, no more than | 0.05 | 0.08 |
| Mass fraction of free acids in calculation on formic acid, %, no more than | 0.0015 | |
| Mass fraction of aldehydes and ketenes in calculation on acetone, %, no more than | 0.003 | 0.008 |
| Mass fraction of volatile compounds of iron in calculation on iron, %, no more than | 0.00001 | 0.00005 |
| Test with potassium hypermanganat, minutes, no less than | 60 | 30 |
| Mass fraction of ammonia and ammonia compounds in calculation on ammonia, %, no more than | 0.00001 | - |
| Mass fraction of chlorine, %, no more than | 0.00001 | 0.001 |
| Mass fraction of sulfur, %, no more than | 0.00001 | 0.001 |
| Mass fraction of a fixed residue after evaporation, %, no more than | 0.001 | 0.002 |
| Electrical conductivity, Ohm -1*см- 1 | 3.10-5 | - |
| Mass fraction of ethanol, %, no more than | 0.01 | - |
Methanol is transported in the special rail tank cars, tank lorries, steel barrels with the capacity of 200 dm3, according to the transportation rules acting on the given type of transport.
The warranty period of storage of technical methanol is 6 months from the manufacturing date.
ACITEC ACID (SYNTHETIC)
Acetic acid (СН3СООН) is produced by a method of carbonization from methanol and carbonic oxide on a rhodium catalyst. It is used in the production of salts and ethers, acetic anhydride, acetyl chloride, coloring agents, insecticides, as a dissolvent of varnishes and paints, and also as a coagulant of latex. Acetic acid is an inflammable liquid.
MAIN TECHNICAL CHARACTERISTICS
| Main specifications | Normal values for the grade |
|---|---|
| Appearance | Colorless, transparent liquid with strong specific smell |
| Water solubility | Complete, transparent solution |
| Mass fraction of acetic acid, %, no less than | 99.5 |
| Mass fraction of acetaldehyde, %, no more than | 0.004 |
| Mass fraction of formic acid, %, no more than | 0.05 |
| Mass fraction of sulphates (SO4), %, no more than | 0.0003 |
| Mass fraction of chlorides (CI), %, no more than | 0.0004 |
| Mass fraction of the heavy metals precipitated by hydrogen sulphide (Pb), %, no more than | 0.0004 |
| Mass fraction of iron (Fe), %, no more than | 0.0004 |
| Mass fraction of non-volatile residue, %, no more than | 0.004 |
| Dyeing stability of potassium permanganate solution, in minutes, no less than | 60 |
| Mass fraction of the substances, oxidizing by potassium dichromate, cm3 of sodium thiosulfate solution with a level of the concentration (Na2SO3*5H2O) = 0.1 moles/dm3, (0.1n), no more than | 5.0 |
| Test with sulfuric acid | Should pass the test |
Acetic acid solutions with a level of the concentration 30 % and higher can provoke burns at contact with skin. Its vapors irritate the mucous membranes of the anatomical airway.
Acetic acid is transported in clear rail tank cars with the inner surface from stainless steel with the overhead drainage, in stainless barrels with the capacity up to 200 dm3, in glass bottles with the capacity up to 20 dm3, and also in aluminum barrels with the capacity up to 275 dm3. Barrels and bottles with acetic acid are transported by railway, car and water transport, according to the transportation rules of the hazardous materials, acting on the corresponding types of transport. The warranty period of storage is 1 year from the manufacturing date of the product.
TECHNICAL BUTYL ACETATE
Technical butyl acetate (normal butyl ether of acetic acid С6Н12О2) is obtained by etherification of acetic acid by butyl alcohol, intended for the use as a dissolvent in the different branches of industry, and also for the synthesis of chemicals. Butyl acetate is a inflammable liquid having a subtle narcotic effect.
MAIN TECHNICAL CHARACTERISTICS
| Main specifications | Normal values for the grade | |
|---|---|---|
| A | B | |
| Appearance | Transparent liquid without mechanical impurities | |
| Colority, in Hazen units, no more than | 10 | 10 |
| Density at 20°С, g/cm3 | 0.880-0.882 | 0.873-0.875 |
| Mass fraction of the main substance, %, no less than | Not less, than 99.0 | 91±1 |
| Mass fraction of acid on acetic acid basis, %, no more than | 0.005 | 0.008 |
| Mass fraction of non-volatile residue, %, no more than | 0.002 | 0.006 |
| Temperature limits of distillation at pressure 101.3 кPa (760 mmHg): 95 % (in volume basis) of the product should be distilled in the limits of temperatures, °С | 122-127 | 118-128 |
| Mass fraction of water, %, no more than | 0.1 | 0.2 |
| Mass fraction of aldehydes in calculation on acetaldehyde, %, no more than | - | - |
| Relative volatility (in calculation on solvent ether) | 8-13 | 8-13 |
Normal butyl ether of technical acetic acid is transported by railway tanks or motor transport according to the transportation rules acting on the given type of transport. One should use the individual protective means for skin and respiratory organs at work with this product. The warranty period of storage is 6 months from the manufacturing date of the product.
POLYVINYL ALCOHOL
Polyvinyl alcohol is used (according to their grades):
- As a stabilizer during the suspension polymerization of styrene and at the manufacturing a copolymer dispersion on the basis of acetaldehyde (18/11);
- For dressing fibers and yarn from natural, synthetic fibers (18/11,16/1);
- As an emulsifying agent for the emulsions preparation at a peroxide bleaching of cotton sewing stitchings (18/11, 16/1);
- As additives in a chalky suspension (16/1, 16/05);
- As an impregnating material at the oil-insoluble strong semitransparent paper (18/11) manufacturing;
- As cementing material at the ceramics fine forming powders and casting core sand(16/1, B1, B2) manufacturing;
- For synthesis of polyvinyl acetals as an emulsifying agent and a stabilizer at an emulsion polymerization of acetaldehyde and other monomers (16/1);
- In the production of glues, both in the pure state and in the mixture with fillers for gluing leathers, cloths, papers, and for gluing labels (16/1, А1, А2);
- As a reagent-reducer of filter loss at fastening oil and gas wells (B 1N, А1, А2);
- In the textile industry as a dressing tool (SHL);
- As a stabilizer at the suspension polymerization of vinyl chloride (35/23, 8/27);
- As additives at the reception of dispersion, as binders at manufacturing sand blends, as additives in cement and grouting mortars, as glues (R, R1).
MAIN TECHNICAL CHARACTERISTICS
| Main specifications GOST (TU) | Normal values for the grade | ||||||
|---|---|---|---|---|---|---|---|
| PVS-18/11 GOST 10779-78 | PVS-18/11 GOST 10779-78 | PVS-16/1 GOST 10779-78 | PVS-35/23 TU 113-00- -0203766- -36-92 |
PVS-8/27TU 113-00- -0203766- -36-92 |
PVS-V1NTU 6-05-05- -190-87 |
PVS-16/05 TU 113-00- -00203766- -43-95 |
|
| Dynamic viscosity, Pa*с103 | 16-19 | 15-20 | 12-17 | 30-45 | 5-10 | No more than 45 | 12-18 |
| Mass fraction of volatile matters, %, no more than | 4.0 | 4.0 | 4.0 | 7.0 | 7.0 | 4.0 | 5.0 |
| Mass fraction of acetate groups, % | 10-11.4 | 10-14 | No more than 0.8-2.0 | 22 - 27 | 25 - 30 | No more than 2 | 0.2 - 1 |
| Hydrogen ion concentration (рН) | 6-7 | 5.5 - 7 | 5.5 - 8 | 5 - 7 | 4.5 - 7 | - | 6 – 9 |
| Water solubility, %, no less than | 99.8 | 99.95 | 99.0 | 99.95 | 99.97 | 99.98 | 99.95 |
| Mass fraction of sodium acetate, %, no more than | 2.0 | - | 1.5 | 0.5 | 1.0 | 10.0 | 4.0 |
| The warranty period of storage | 1 year | 1 year | 1 year | 1 year | 1 year | 3 months | 1 year |
POLYVINYL ALCOHOL
MAIN TECHNICAL CHARACTERISTICS
| Main specifications GOST (TU) | Normal values for the grade | |||||
|---|---|---|---|---|---|---|
| PVS-A1TU 2215-018- -0203766-98 |
PVS-A2TU 2215-018- -0203766-98 |
PVS-B1TU 2215-018- -0203766-98 |
PVS-B2TU 2215-018- -0203766-98 |
PVS-R1TU 2215-045- -0203762-95 |
PVS-R2TU 2215-045- -0203762-95 |
|
| Dynamic viscosity, Pa*с103 | 14-24 | 10-30 | No more than 30 | No more than 45 | - | - |
| Mass fraction of volatile matters, %, no more than | 6 | 7 | 6 | 7 | - | - |
| Mass fraction of acetate groups, % | 6 - 18 | 0.2 - 18 | No more than 1 | No more than 4 | 3.0 - 10 | No more than 20 |
| Water solubility, %, no less than | 99.0 | 99.0 | 99.0 | 99.0 | - | - |
| Mass fraction of sodium acetate, %, no more than | 0.8 | 1.5 | 12 | 12 | 4.0 | 10.0 |
| Mass fraction of methanol, %, no more than | - | - | - | - | 5.0 | 5.0 |
| Mass fraction of solid residuals, %, no less than | - | - | - | - | 7 | 7 |
| The warranty period of storage | 1 year | 1 year | 1 year | 1 year | 3 months | 3 months |
PVS (А1, А2, B1, B2) is polyvinyl alcohol for water solutions. PVS (R1, R2) is water solutions of polyvinyl alcohol. Polyvinyl alcohol is packed into three -, four-layer paper sacks with a polyethylene insert sack according to the specifications and technical documentation.
As agreed with the customer it is allowed packing of polyvinyl alcohol into steel barrels for chemicals with the capacity from 10 up to 250 dm3 or soft containers of one-trip use such as MKR-1.0 with an insert sack and such as MKR-1.0М according to the specifications and technical documentation.
Polyvinyl alcohol is transported by any kind of transports, in the covered vehicles according to the transportation rules acting on the corresponding type of transports.
ACETALDEHYDE
Acetaldehyde (acetic aldehyde) СН3СНО is produced by hydration of acetylene, and used in the production of acetic anhydride, acetic acid, aldehydic synthetic resins, pentaerythritol, 2-ethylhexyl alcohol and other products. Aldehyde acetic is an inflammable liquid, and easily oxidized by air oxygen.
MAIN TECHNICAL CHARACTERISTICS
| Main specifications | Normal values for the grade | |
|---|---|---|
| Top grade | 1st grade | |
| Platinum-cobalt scale unit color, no more than | 15 | 30 |
| Mass fraction of acetaldehyde, %, no less than | 99.7 | 99.6 |
| Mass fraction of acetic acid, %, no more than | 0.04 | 0.01 |
| Mass fraction of crotonic aldehyde, %, no more than | 0.03 | 0.05 |
| Mass fraction of water, %, no more than | 0.1 | 0.15 |
| Acetylene content | 0.0009 | 0.0009 |
| Mass fraction of paraldehyde, %, no more than | 0.1 | 0.2 |
Acetaldehyde is transported in the special carbon steel rail tank cars or tank lorries with a polyisobutylen lining, according to the transportation of dangerous products rules acting on the given type of transports.
Warranty period of storage of a product from the manufacturing date 3 months - For the top grade, and 1 month - for the 1-st grade.
TECHNICAL BUTYL ACETATE
Technical butyl acetate (normal butyl ether of acetic acid С6Н12О2) is obtained by etherification of acetic acid by butyl alcohol, intended for the use as a dissolvent in the different branches of industry, and also for the synthesis of chemicals. Butyl acetate is a inflammable liquid having a subtle narcotic effect.
MAIN TECHNICAL CHARACTERISTICS
| Main specifications | Normal values for the grade | |
|---|---|---|
| A | B | |
| Appearance | Transparent liquid without mechanical impurities | |
| Colority, in Hazen units, no more than | 10 | 10 |
| Density at 20°С, g/cm3 | 0.880-0.882 | 0.873-0.875 |
| Mass fraction of the main substance, %, no less than | Not less, than 99.0 | 91±1 |
| Mass fraction of acid on acetic acid basis, %, no more than | 0.005 | 0.008 |
| Mass fraction of non-volatile residue, %, no more than | 0.002 | 0.006 |
| Temperature limits of distillation at pressure 101.3 кPa (760 mmHg): 95 % (in volume basis) of the product should be distilled in the limits of temperatures, °С | 122-127 | 118-128 |
| Mass fraction of water, %, no more than | 0.1 | 0.2 |
| Mass fraction of aldehydes in calculation on acetaldehyde, %, no more than | - | - |
| Relative volatility (in calculation on solvent ether) | 8-13 | 8-13 |
Normal butyl ether of technical acetic acid is transported by railway tanks or motor transport according to the transportation rules acting on the given type of transport. One should use the individual protective means for skin and respiratory organs at work with this product. The warranty period of storage is 6 months from the manufacturing date of the product.
VINYLACETATE-RECTIFICATE
Vinylacetate-rectificate is a product of a vapor-phase reaction of acetylene and acetic acid, and it is used for the production of polyvinyl acetate, polyvinyl alcohol, polyvinyl acetals and also for copolymers with vinyl chloride, ethylene and other unsaturated compounds. Acetaldehyde is an inflammable liquid and explosive agent.
MAIN TECHNICAL CHARACTERISTICS
| Main specifications | Normal values for the grade | |||
|---|---|---|---|---|
| AC | AD | |||
| Top quality | 1st quality | Top quality | 1st quality | |
| Appearance | Liquid is not distinguished on color and transparences from distilled water and free of suspended particles | |||
| Density, at 20°C, g/cm3 | 0.932 – 0.936 | |||
| Distillation volume at 71.8 - 730С, %, no less than | 97 | 97 | 97 | 97 |
| Mass fraction of vinyl acetate, %, no less than | 99.90 | 99.85 | 99.9 | 99.85 |
| Mass fraction of acetic aldehyde, %, no more than | 0.025 | 0.035 | 0.045 | 0.060 |
| Mass fraction of croton aldehyde, %, no more than | None | |||
| Mass fraction of acid on acetic acid basis % no more than | 0.005 | 0.006 | 0.006 | 0.008 |
| Mass fraction of divinylacetylene, %, no more than | 0.0002 | 0.0003 | - | - |
| Mass fraction of water, %, no more than | 0.05 | 0.07 | 0.05 | 0.07 |
| Mass fraction of hydroquinone, %, no more than | ||||
| a. Before inhibition | 0.0003 | 0.0005 | - | - |
| b. After inhibition | 0.0050 | 0.0050 | 0.005 | 0.0050 |
| Mass fraction of polyvinyl acetate | None | |||
| Du pont Polymerization activity at 0.1 MPa, in minutes, no more than | 22 | 29 | 30 | 35 |
| Molar viscosity of polyvinyl acetate in benzyl, Pa*с, no less than | 0.035 | 0.030 | - | - |
| Termostability of polyvinyl acetate at 150°С on the scale, no more than | 1 | 3 | - | - |
| Mass fraction of iron, %, no more than | 0.00025 | 0.00025 | 0.00025 | 0.00025 |
Vinylacetate-rectificate is transported by railway or car tanks. Transportation in aluminum barrels is allowed. Barrels are transported by railway, car and water transport. At rail transportations the product is transported by less than carload in the boxcars.
Acetic acid, acetic aldehyde and acetone included into acetaldehyde as impurities have an irritating effect, provoking the irritation of the mucous membranes of eyes and the upper air passages. The warranty period of storage is 3 months since the manufacturing day of the product.
METHYL ACETATE
Methyl acetate (C3Н6O2) is used for the use in the laboratory conditions as a clear reagent, and as a solvent - in the organic synthesis. It is transparent liquid, water soluble. It is mixed up with alcohol and ether in any ratio. It is a toxic substance.
MAIN TECHNICAL CHARACTERISTICS
| Main specifications | Normal values for the grade | |
|---|---|---|
| Top grade | 1st grade | |
| Appearance | Transparent liquid without mechanical impurities. Light yellow coloring is allowed. | |
| Mass fraction of methyl acetate C3Н6O2, %, no less than | 99.5 | 99.0 |
| Mass fraction of methanol, %, no more than | 0.3 | 0.7 |
| Mass fraction of acid on acetic acid basis, %, no more than | 0.02 | 0.03 |
| Mass fraction of water, %, no more than | 0.2 | 0.3 |
One should use the individual protection means of skin and respiratory organs during work with methyl acetate. Methyl acetate is transported by all types of transports (except for the air transport), according to the transportation rules acting on the transport of the given type.
The warranty period of storage is 1 year from the manufacturing date of the product.
PAINT AND VARNISH REMOVER
Paint and varnish remover (solvent) A and B represent a methyl acetate fraction, a by-product of the polyvinyl alcohol’s production. A-1, B-grades solvent represents a product consisting of acetic aldehyde, acetone, methyl acetate, ethyl acetate, h- butyl alcohol, methanol. Varnish and paint remover (solvent) is a toxic and combustible liquid. The solvent is used for diluting oil, nitrocellulose enamel and varnishes up to the working consistency. The solvent should be added to paintwork material in small portions at a constant stirring before obtaining of the necessary consistency.
The solvent for varnishes and paints of A, A-grades is used in the industry, and B, B-1 grades - for retail trade.
MAIN TECHNICAL CHARACTERISTICS
| Main specifications | Normal values for the grade | ||||
|---|---|---|---|---|---|
| A | B | A-1 | B-1 | ||
| Appearance | Liquid without mechanical impurities. Light yellow coloring is allowed. | ||||
| Mass fraction of methyl acetate, %, no less than | 88 | 93.7 | - | - | |
| Mass fraction of water, %, no more than | 5.7 | 4.5 | 5.7 | 5.7 | |
| Mass fraction of methanol, %, no more than | 3.5 | 0.5 | 3.5 | 0.5 | |
| Mass fraction of acetaldehyde, %, no more than | 2.5 | 1.0 | - | - | |
| Acidity on acetic acid, %, no more than | 0.3 | 0.3 | 0.3 | 0.3 | |
| Mass fraction of benzene, %, no more than | 1.0 | 1.0 | - | - | |
| Mass fraction of ethers, on methyl acetate, %, no less than | - | - | 50 | 50 | |
| Mass fraction of the sum of aldehydes, ketones, alcohol (except for methylic), %, no more than |
- | - | 40 | 40 | |
Varnishes and paint solvent is transported by all types of transports according to the transportation rules acting on the given type of transports. At work with solvent one should use the individual protective means for skin and breathing organs. The warranty period of storage is 1 year from the manufacturing date of the product.