2-(1-Oxonaphtho[2,1-b]thien-2(1H)-ylidene)naphtho[2,1-b]thiophen-1(2H)-one
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![2-(1-Oxonaphtho[2,1-b]thien-2(1H)-ylidene)naphtho[2,1-b]thiophen-1(2H)-one structure](https://file.echemi.com/fileManage/upload/canonicalSmiles/20220812/f682023a3a294d6b8f17e88dc105c1be.png "2-(1-Oxonaphtho[2,1-b]thien-2(1H)-ylidene)naphtho[2,1-b]thiophen-1(2H)-one")
2-(1-Oxonaphtho[2,1-b]thien-2(1H)-ylidene)naphtho[2,1-b]thiophen-1(2H)-one
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CAS No:
3989-75-1
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Formula:
C24H12O2S2
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Chemical Name:
2-(1-Oxonaphtho[2,1-b]thien-2(1H)-ylidene)naphtho[2,1-b]thiophen-1(2H)-one
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Synonyms:
Naphtho[2,1-b]thiophen-1(2H)-one,2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)-;[Δ2,2′(1H,1′H)-Binaphtho[2,1-b]thiophene]-1,1′-dione;2-(1-Oxonaphtho[2,1-b]thien-2(1H)-ylidene)naphtho[2,1-b]thiophen-1(2H)-one;C.I. 73410;Amanthrene Brown RRD;Arlanone Brown G;Benzindone Brown G;Calcoloid Brown RRP;Calcotone Brown 2R;Ciba Brown G;Ciba Brown FG;Durindone Brown G;Durindone Brown GP;Durindone Printing Brown G;Fenanthren Brown 2R;Helanthrene Brown RD;Helanthrene Brown RRD;Hostavat Brown 2R;Indanthren Brown RRD;Indanthrene Brown RR;Lithosol Fast Brown GP;Nako Fast Brown RRD;Palanthrene Printing Brown GGN;Pharmanthrene Brown CR;Sandothrene Brown G;Solanthrene Brown 2RI;Solindene Brown FRD;Tina Brown G;Vat Brown G;Vat Printing Brown G;C.I. Vat Brown 5;Indanthrene Brown RRD;Vat Brown RRD;Thioindigo Red Brown ZhP;Thioindigo Red Brown Zh;Red-Brown Zh thioindigo;Pigment Brown 27;C.I. Pigment Brown 27;Navinon Brown RRD
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CAS No:
2-(1-Oxonaphtho[2,1-b]thien-2(1H)-ylidene)naphtho[2,1-b]thiophen-1(2H)-one Basic Attributes
396.48088
396.48
223-633-6
DTXSID3063255
2-(1-Oxonaphtho[2,1-b]thien-2(1H)-ylidene)naphtho[2,1-b]thiophen-1(2H)-one Use and Manufacturing
Naphthalene is acetylated with acetic anhydride and aluminum trichloride, hydrolyzed, and then vulcanized and condensed with sodium polysulfide and ethanol. After desulfurization, it is filtered, dried, and commercialized to obtain the product. Raw material consumption (kg/t) refined naphthalene 615 acetic anhydride 600 dichloroethane 690 ethanol (95%) 950 sulfur 2040 caustic soda (100%) 2100 aluminum trichloride 1690 sodium nitrite 215 diffusion agent (100%) 640 hydrogen phosphate Disodium 102
Used for dyeing and printing cotton, viscose, silk thread, wool, vinylon and other textiles. It has poor affinity to cotton, so it is less used for dyeing. It can be used for direct printing, anti-dye printing and aniline black ground color anti-dyeing, and is also suitable for light to light medium color discharge printing. The printed matter of this product is slightly lighter after finishing with urea-formaldehyde, cyanaldehyde, KMEU, BHES and other resins; after finishing with 2D resin, the light is almost unchanged. The printed matter of this product is exposed to sunlight, which is easy to make the fiber brittle.
Naphtho[2,1-b]thiophen-1(2H)-one, 2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)-: ACTIVE
Computed Properties
Molecular Weight:396.5
XLogP3:6.6
Hydrogen Bond Acceptor Count:4
Exact Mass:396.02787197
Monoisotopic Mass:396.02787197
Topological Polar Surface Area:84.7
Heavy Atom Count:28
Complexity:668
Undefined Bond Stereocenter Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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2-(1-Oxonaphtho[2,1-b]thien-2(1H)-ylidene)naphtho[2,1-b]thiophen-1(2H)-one
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