2,4,7,9-Tetramethyl-5-decyne-4,7-diol
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2,4,7,9-Tetramethyl-5-decyne-4,7-diol
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CAS No:
126-86-3
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Formula:
C14H26O2
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Chemical Name:
2,4,7,9-Tetramethyl-5-decyne-4,7-diol
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Synonyms:
5-Decyne-4,7-diol,2,4,7,9-tetramethyl-;2,4,7,9-Tetramethyl-5-decyne-4,7-diol;Surfynol 104;Surfynol 104A;Surfynol 104E;1,4-Diisobutyl-1,4-dimethylbutynediol;Surfynol TG;Surfynol 104H;Surfynol 104PA;Olfine STG-E;Surfynol CT 111;Surfynol 104BC;NSC 5630;Olfine AK 02;2,4,7,9-Tetramethyl-5-decyn-4,7-diol;Acetylenol E 00;Olfine PD 301;PD 301;104E;Zetasperse 1200;Surfynol PG 50;LA-W 1092;Olfine PD 001;104H;Surfadol 541;TMDDO;TMDD;GS 850PA;Tuyile FS 204;Surfynol DF 104E;PD 001;104BC;8043-35-4;37211-43-1;61879-19-4;149079-55-0;166737-17-3;170006-53-8;171023-04-4;504414-59-9;845642-79-7;867273-13-0;872345-61-4;2414315-97-0
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CAS No:
2,4,7,9-Tetramethyl-5-decyne-4,7-diol Basic Attributes
226.35500
226.35
204-809-1
B9Y126NY8K
5630
DTXSID7027041
2905399090
Characteristics
40.46000
2.7
Liquid
0.89
56-60 °C
153-157 °C @ Press: 20 Torr
97.3ºC
1.479
Keep in a cool, dry location in a tightly sealed container.
0.00296mmHg at 25°C
WAXY OR POWDERED SOLIDS OR LIQUIDS; NONFOAMING, NONIONIC /SURFYNOL/
Safety Information
III
UN 3077
3
R36; R52/53
S26-S39-S61
Xi
P305 + P351 + P338
H319
|Danger|H317 (31.74%): May cause an allergic skin reaction [Warning Sensitization, Skin]|P261, P264, P272, P273, P280, P302+P352, P305+P351+P338, P310, P321, P333+P313, P337+P313, P363, and P501|Aggregated GHS information provided by 1896 companies from 22 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
2,4,7,9-Tetramethyl-5-decyne-4,7-diol Use and Manufacturing
The concentrated alkali liquor in was dehydrated under reduced pressure to obtain 14 g of a paste.The paste was mixed with 10 g of a novel complex catalyst, 100 g of methyl isobutyl ketone, 40 g of cyclohexane, and 31 g of diethylene glycol divinyl ether distilled in Example 1, and put into a 500-mL autoclave.Replace air with nitrogen, control temperature 40~45°C, pass acetylene into the reaction system for acetylene reaction, keep the system pressure no higher than 0.1MPa, When 11.7 g of acetylene was passed, the pressure of the system was maintained for 10 min and no longer decreased, and the reaction was stopped. At this point, the reaction had been completed for 5.5 h.After cooling down to room temperature, the reaction solution in the autoclave was transferred to a 500 mL beaker and 10 g of deionized water was added to the beaker. The system was divided into two layers.26 g of concentrated lye containing lower lye was separated and transferred to a 250 mL beaker. The organic layer was neutralized with 20percent phosphoric acid solution to pH 6-7. The brine was separated to obtain 190 g of organic phase.The organic phase was transferred to a 250 mL three-necked flask, and 17 g of the semi-finished acetylene glycol product of was introduced. 37 g of cyclohexane was distilled out at normal pressure and distilled under reduced pressure.At a vacuum of -0.098 MPa, 1.5 g of a low-boiling substance was obtained at 60C, 31 g of a fore fraction was obtained at 60 to 90C, and 28 g of diethylene glycol divinyl ether was obtained at 90 to 120C.120 g of the acetylene glycol semi-finished product was obtained at 120 to 150° C., and 85.5 g of the acetylene glycol product was collected at 150 to 155° C. The heating was stopped, and the temperature was lowered to room temperature. 2 g of the high-boiling residue was left in the beaker.The yield of finished acetylenic diol (relative to acetylene) was 84.1percent.
An acetylene glycol derivative used in water-based coatings and has both antifoaming and surfactant properties. It is highly toxic and have been found in acrylic adhesives used for food packaging multilayers manufacturing.
Adhesives and sealant chemicals
Building/construction materials - wood and engineered wood products
10,000,000 - 50,000,000 lb|(1979) No Data|(1981) 1.36X10+12 G (EST)
DEFOAMER IN WATER-BASED PAINTS & COATINGS, 45%; DEFOAMER IN WATER-BASED PRESSURE-SENSITIVE ADHESIVES, 35%; WETTING AGENT IN PESTICIDE FORMULATIONS, 15%; MISC, 5% (1982)
SURFY-NOL: TRADEMARK FOR GROUP OF ORGANIC SURFACE-ACTIVE AGENTS /SURFY-NOL/
Paint and coating manufacturing|5-Decyne-4,7-diol, 2,4,7,9-tetramethyl-: ACTIVE
Cosmetics -> Antifoaming
Computed Properties
Molecular Weight:226.35
XLogP3:2.7
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:6
Exact Mass:226.193280068
Monoisotopic Mass:226.193280068
Topological Polar Surface Area:40.5
Heavy Atom Count:16
Complexity:256
Undefined Atom Stereocenter Count:2
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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2,4,7,9-Tetramethyl-5-decyne-4,7-diol
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