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| Richchem International Trading Co., Ltd. | China | Inquire | ||
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+86 (411) 8278-9167 8278-9168 8278-9169 | |||
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xie_ruiqiang@chemrg.com | |||
| Chemical manufacturer since 2003 | ||||
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| Simagchem Corporation | China | Inquire | ||
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+86 13806087780 | |||
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sale@simagchem.com | |||
| Chemical manufacturer since 2002 | ||||
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| Hefei TNJ Chemical Industry Co., Ltd. | China | Inquire | ||
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+86 (551) 6541-8684 | |||
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sales@tnjchem.com | |||
| Chemical manufacturer since 2001 | ||||
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| Vitas-M | Russia | Inquire | ||
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+7 (906) 781-2021 | |||
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vitas@vitasmlab.com | |||
| Chemical manufacturer since 1998 | ||||
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| Hangzhou Leap Chem Co., Ltd. | China | Inquire | ||
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+86 (571) 8771-1850 | |||
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market19@leapchem.com | |||
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QQ chat | |||
| Chemical manufacturer since 2006 | ||||
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| Shanghai Deborn Co., Ltd. | China | Inquire | ||
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+86 (21) 6896-2123 +86 18017879299 | |||
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sales@shdeborn.com victorcheng@263.net | |||
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Skype Chat | |||
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QQ chat | |||
| Chemical distributor since 2013 | ||||
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| Hangzhou Hairui Chemical Co., Ltd. | China | Inquire | ||
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+86 (571) 8669-1155 | |||
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sales@hairuichem.com | |||
| Chemical distributor since 2005 | ||||
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| Shanghai Xin Cheng Yue Chemical Co., Ltd. | China | Inquire | ||
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+86 (021) 5870-2787 | |||
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wuziwei@xinyuefirm.com | |||
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Skype Chat | |||
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QQ chat | |||
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WeChat: 17701820076 | |||
| Chemical distributor since 2005 | ||||
| chemBlink standard supplier since 2023 | ||||
| Classification | Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Pyridine compound >> Nitropyridine |
|---|---|
| Name | 4,4'-Diamino-2,2'-stilbenedisulfonic acid |
| Synonyms | 2,2'-(1,2-Ethylenediyl)bis(5-aminobenzenesulfonic acid); Amsonic acid |
| Molecular Structure |  |
| Molecular Formula | C14H14N2O6S2 |
| Molecular Weight | 370.39 |
| CAS Registry Number | 81-11-8 |
| EC Number | 201-325-2 |
| Melting point | >325 ºC |
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| Water solubility | <0.1 g/100 mL at 23 ºC |
| Hazard Symbols |
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| Risk Codes | R34 Details | ||||||||||||||||||||||||||||||||
| Safety Description | S22;S26;S36/37/39;S45 Details | ||||||||||||||||||||||||||||||||
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| Transport Information | UN 2583 | ||||||||||||||||||||||||||||||||
| SDS | Available | ||||||||||||||||||||||||||||||||
| Market Analysis Reports |
| List of Reports Available for 4,4'-Diamino-2,2'-stilbenedisulfonic acid |
