Yanshi Dongyuan Chemical Co., Ltd.

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Contact: Libo Zhang - Sales Manager
Web: http://www.dongyuanchem.com
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Address: Dongdajiao Industrial Zone, Dianzhuang, Yanshi, Luoyang, Henan 471942, China
Phone: +86-(379)-67435819 | Fax: +86-(379)-67436819 | Map/Directions >>

Profile: Yanshi Dongyuan Chemical Co., Ltd. is a provider of chemical products. Our main products are DSD acid, p-nitrotoluene-o-sulfonic (ANSD)acid, and DNSD acid. Our DSD acid is a light yellow cream or powder. It is soluble in ethanol and ether. It is insoluble in water, and easily soluble in alkaline solution. It has the property of aromatic acid or aromatic amine. It is used in the manufacture of fluorescent brightening agent, chrysophenine G, and direct yellow R products. It also acts as pesticide. Our DNDS acid is an intermediate of dyes. It can be used to manufacture DSD acid.

4 Products/Chemicals (Click for related suppliers)

• Para Nitrotoluene Ortho Sulphonic Acid

IUPAC Name: 2-methyl-5-nitrobenzenesulfonic acid | CAS Registry Number: 121-03-9
Synonyms: Pntos, 5-Nitro-o-toluenesulfonic acid, p-Nitrotoluene-o-sulfonic acid, 4-Nitro-2-toluenesulfonic acid, 4-Nitrotoluene-2-sulfonic acid, WLN: WSQR B1 ENW, o-Toluenesulfonic acid, 5-nitro-, 4-Nitrotoluene-2-sulphonic acid, HSDB 5470, 2-Toluenesulfonic acid, 5-nitro, Benzenesulfonic acid, 2-methyl-5-nitro-, NSC 9580, EINECS 204-445-3, 5-Nitro-2-methylbenzenesulfonic acid, CID8458, NSC9580, 2-METHYL-5-NITROBENZENESULFONIC ACID, Kyselina 4-nitrotoluen-2-sulfonova, BRN 2216176, Kyselina 4-nitrotoluen-2-sulfonova [Czech]

Molecular Formula:	C₇H₇NO₅S	Molecular Weight:	217.199180 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	5

InChIKey: ZDTXQHVBLWYPHS-UHFFFAOYSA-N

• 4-Nitro-4'-Aminostilbene-2,2'-Disulfonic Acid

IUPAC Name: 2-[(E)-2-(4-amino-2-sulfonatophenyl)ethenyl]-5-nitrobenzenesulfonate | CAS Registry Number: 119-72-2
Synonyms: ZINC04253917, CID7152942

Molecular Formula:	C₁₄H₁₀N₂O₈S₂-₂	Molecular Weight:	398.367800 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	9

InChIKey: GHBWBMDGBCKAQU-OWOJBTEDSA-L

• 4,4-Diamino Stilbene-2,2-Disulphonic Acid

IUPAC Name: 5-amino-2-[(E)-2-(4-amino-2-sulfophenyl)ethenyl]benzenesulfonic acid | CAS Registry Number: 81-11-8
Synonyms: Amsonsaeure, Flavonic acid, Amsonic acid, Tinopal BHS, DASD, Diaminostilbenedisulfonic acid, CCRIS 4778, HSDB 4239, NSC 163, NCI-C60162, NSC163, EINECS 201-325-2, 2,2'-Disulfo-4,4'-stilbenediamine, AIDS158065, AIDS-158065, BRN 0629516, NSC659761 (SODIUM SALT), p,p'-Diaminostilbene-o,o'-disulfonic acid, 4,4'-Diaminostilbene-2,2'-disulphonic acid, 4-4'-Diamino-2,2'-stilbenedisulphonic acid

Molecular Formula:	C₁₄H₁₄N₂O₆S₂	Molecular Weight:	370.400760 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	8

InChIKey: REJHVSOVQBJEBF-OWOJBTEDSA-N

• 4,4'-Dinitrostilbene-2,2'-Disulphonic Acid (DNSDA)

IUPAC Name: 5-nitro-2-[(E)-2-(4-nitro-2-sulfophenyl)ethenyl]benzenesulfonic acid | CAS Registry Number: 128-42-7
Synonyms: DNDS, Dinitrostilbenedisulfonic acid, HSDB 5473, NSC 1793, CHEBI:34663, CHEBI:36662, EINECS 204-885-6, NSC1793, AIDS159800, AIDS-159800, NSC163175 (DISODIUM SALT), 4,4'-DINITRO-2,2'-STILBENEDISULFONIC ACID, 4,4'-Dinitrostilbene-2,2'-disulfonic acid, 4,4'-Dinitrostilbene-2,2'-disulphonic acid, BAS 00093702, 2,2'-Stilbenedisulfonic acid, 4,4'-dinitro-, LS-146864, 4, 4'-Dinitro-2,2'-stilbenedisulfonic acid, 4, 4'-Dinitrostilbene-2,2'-disulfonic acid, C13706

Molecular Formula:	C₁₄H₁₀N₂O₁₀S₂	Molecular Weight:	430.366600 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	10

InChIKey: UETHPMGVZHBAFB-OWOJBTEDSA-N