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| Richchem International Trading Co., Ltd. | China | Inquire | ||
|---|---|---|---|---|
 | www.chemrg.com | |||
 | +86 (411) 8278-9167 8278-9168 8278-9169 | |||
 | +86 (411) 8807-9241 | |||
 | xie_ruiqiang@chemrg.com | |||
| Chemical manufacturer since 2003 | ||||
| chemBlink Standard supplier since 2006 | ||||
| Simagchem Corporation | China | Inquire | ||
|---|---|---|---|---|
| www.simagchem.com | |||
| +86 13806087780 | |||
| +86 (592) 268-0237 | |||
| sale@simagchem.com | |||
| Chemical manufacturer since 2002 | ||||
| chemBlink Standard supplier since 2008 | ||||
| Hefei TNJ Chemical Industry Co., Ltd. | China | Inquire | ||
|---|---|---|---|---|
| www.tnjchem.com | |||
| +86 (551) 6541-8684 | |||
| +86 (551) 6541-8697 | |||
| sales@tnjchem.com | |||
| Chemical manufacturer since 2001 | ||||
| chemBlink Standard supplier since 2010 | ||||
| Vitas-M | Russia | Inquire | ||
|---|---|---|---|---|
| www.vitasmlab.com | |||
| +7 (906) 781-2021 | |||
| +7 (495) 939-5737 | |||
| vitas@vitasmlab.com | |||
| Chemical manufacturer since 1998 | ||||
| chemBlink Standard supplier since 2012 | ||||
| Hangzhou Leap Chem Co., Ltd. | China | Inquire | ||
|---|---|---|---|---|
| www.leapchem.com | |||
| +86 (571) 8771-1850 | |||
| market19@leapchem.com | |||
 | QQ Chat | |||
| Chemical manufacturer since 2006 | ||||
| chemBlink Standard supplier since 2015 | ||||
| Shanghai Deborn Co., Ltd. | China | Inquire | ||
|---|---|---|---|---|
| www.shdeborn.com | |||
| +86 (21) 6896-2123 +86 18017879299 | |||
| +86 (21) 6896-3669 | |||
| sales@shdeborn.com victorcheng@263.net | |||
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| Chemical distributor since 2013 | ||||
| chemBlink Standard supplier since 2016 | ||||
| Hangzhou Hairui Chemical Co., Ltd. | China | Inquire | ||
|---|---|---|---|---|
| www.hairuichem.com | |||
| +86 (571) 8669-1155 | |||
| +86 (571) 8669-1154 | |||
| sales@hairuichem.com | |||
| Chemical distributor since 2005 | ||||
| chemBlink Standard supplier since 2017 | ||||
| Shanghai Xin Cheng Yue Chemical Co., Ltd. | China | Inquire | ||
|---|---|---|---|---|
| www.szxinyuechemical.com | |||
| +86 (021) 5870-2787 | |||
| +86 (021) 5870-2786 | |||
| wuziwei@xinyuefirm.com | |||
| QQ Chat | |||
| Skype Chat | |||
 | WeChat: 17701820076 | |||
| Chemical distributor since 2005 | ||||
| chemBlink Standard supplier since 2023 | ||||
| Qingdao Sanhuan Colorchem Co., Ltd. | China | Inquire | ||
|---|---|---|---|---|
| www.cncolorchem.com | |||
| +86 (532) 8667-9298 8667-9297 8097-1529 | |||
| +86 (532) 8667-8120 / 8097-1531 | |||
| sales@cncolorchem.com | |||
| Chemical manufacturer since 2000 | ||||
| Toronto Research Chemicals Inc. | Canada | Inquire | ||
|---|---|---|---|---|
| www.trc-canada.com | |||
| +1 (416) 665-9696 | |||
| +1 (416) 665-4439 | |||
| info@trc-canada.com | |||
| Chemical manufacturer since 1982 | ||||
| Jiangsu First Chemical Manufacture Co., Ltd. | China | Inquire | ||
|---|---|---|---|---|
| www.firstchem.com.cn | |||
| +86 (517) 8720-6899 8720-6855 | |||
| +86 (517) 8720-6868 | |||
| jzz@firstchem.com.cn | |||
| Chemical manufacturer since 2003 | ||||
| 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 °C |
|---|---|
| Water solubility | <0.1 g/100 mL at 23 °C |
| Hazard Symbols |  C Details | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Risk Statements | R34 Details | ||||||||||||||||||||||||||||
| Safety Statements | S22;S26;S36/37/39;S45 Details | ||||||||||||||||||||||||||||
| Hazard Classification | |||||||||||||||||||||||||||||
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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 |
