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4,4'-Diamino-Stilbene-2,2'-Disulfonic acid; 4,4‘-Diamino-2,2‘-Stilbenedisulfonic acid; Tinopalbhs; Dasda; 4,4'-Diaminostilbene-2,2'-Disulphonic acid; DASD; Amsonic ACID; Flavonicacid; 2,2'-(1,2-Ethenediyl)bis(5-Amino)Benzenesulfonic acid; Amsomicacid; DAS
Brief Introduction
It can be used in the production of dyes, fluorescent brighteners and other intermediates, and can be used as insecticides.
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CAS:81-84-5
Molecular Formula:C12H6O3
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1,8-Naphthalene Dicarboxylic Anhydride; 1,8-Dinaphthoic Anhydride; Naphthalene-1,8-Dicarboxylic Acid Anhydride; 1H,3H-Naphtho [1,8-Cd]Pyran-1,3-Dione; Naphthalene-1,8-Dicarboxylic Anhydride; 1,8-Naphthalenedicarboxylic Acid Anhydride; 1,8-Naphthalic Anhyd
Brief Introduction
1,8-Naphthalic anhydride precipitates acicular crystals in ethanol and rhombic crystals in acetic acid, insoluble in water, ether and benzene, slightly soluble in hot ethanol and soluble in hot acetic acid. This product is mainly used as the intermediate of dye, pesticide, medicine and polyester resin. It is an important raw material for the synthesis of perylene dyes, pigments and fluorescent whitening agents.
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CAS:87-65-0
Molecular Formula:C6H4Cl2O
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2,6-Dichlor-Phenol; 2,6-Dichlorfenol; 2.6-Dichlor-1-Hydroxy-Benzol; Phenol,2,6-Dichloro
Brief Introduction
2,6-dichlorophenol is a white crystalline solid with a strong odor. Odor threshold concentration: 0.003 mg/L at 86°F; 200 µg/L at 68-72°F. Taste threshold concentration: 0.0002 mg/L. (NTP, 1992)
2,6-dichlorophenol is a dichlorophenol with the chloro substituents at positions 2 and 6.
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CAS:873-32-5
Molecular Formula:C7H4ClN
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2-Cyano Chlorobenzene; O-Chlorotolunitrile; 2-Chloro-Benzonitrile; O-Chlorobenzonitrile; OCBN; Chlorination Method
Brief Introduction
It is used in dyestuff, medicine and other fine chemical intermediates.
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CAS:88-21-1
Molecular Formula:C6H7NO3S
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O-Aminobenzenesulfonic Acid; O-Sulfanilic Acid; 2-Sulfoaniline; Aniline-2-Sulfonic Acid; Benzenesulfonic Acid, 2-Amino-; 2-Amino-1-Benzenesulfonic Acid; Aniline-O-Sulfonic Acid; Ortho Amino Phenol Sulphonic; Orthanilic Acid
Brief Introduction
2-Aminobenzenesulfonic acid is a kind of biological acid, which plays a role in benzoic acid degradation and microbial metabolism. This product is mainly used as reactive dye intermediate, for reactive brilliant red k-2b, brilliant red K-2BP, brilliant red k-2g, brilliant red m-2b, brilliant red X-B, brilliant red x-10b, reactive violet k-3r, etc.
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