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4,4'-Diaminostilbene-2,2'-disulfonic Acid

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Formula: C14H14N2O6S2
CAS: 81-11-8

Identification

Structural Formula
4,4'-Diaminostilbene-2,2'-disulfonic Acid
CAS:
81-11-8
EINECS:
201-325-2
Molecular Formula:
C14H14N2O6S2
MDL:
MFCD00024946
SMILES:
C1=CC(=C(C=C1N)S(=O)(=O)O)C=CC2=C(C=C(C=C2)N)S(=O)(=O)O
Synonym:
dasda ; dasd ; dsd acid ; das ; nci-c60162 ; flavonicacid ; akos bbs-00004717 ; tinopalbhs ; amsomicacid ; amsonic acid




Suppliers

Autech Industry Co.,Limited
AIC332113284
Chemlyte Solutions
CS22146642
Xiamen Equation Chemical Co.,Ltd
XECC393619680
Hainan Zhongxin Chemical Co., Ltd.
HZC418216728
Aecochem Corp.
AC17225166
Xiamen Hisunny Chemical Co., Ltd.
XHC405916236
DSL Chemicals (Shanghai) Co., Ltd.
C000427
Simagchem Corporation
SC25837749
Xingrui Industry Co., Limited
XIL356714268
Zehao Industry Co., Ltd.
ZI29528856
Leap Chem Co., Ltd
LC22146642
Santa Cruz Biotechnology, Inc.
210166
Dayang Chem (Hangzhou) Co.,Ltd.
DC381315252
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CAS equal suppliers

DSD Acid
Sancai Industry Co.,Ltd.
SIC3841536
DSD Acid
Lori Industry Co., Ltd
LI3521056
4,4'-Diamino-2,2'-stilbenedisulfonic acid
Ascender Chemical Co.,Ltd
ACC307512300
4,4'-Diaminostilbene-2,2'-disulfonic Acid 95%
Acros Organics BVBA
AOB256510260
4,4'-Diaminostilbene-2,2'-disulfonic acid, 95%
Alfa (A Johnson Matthey Company)
A441613248
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-amino-
Angene International Limited
AGN-PC-0JK7OV

Prices & Availability




Data is processed


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Properties for 4,4'-Diaminostilbene-2,2'-disulfonic Acid

Molecular Weight:
370.4 g·mol−1
Density:
1.66 g/cm3
Melting point:
300 °C
Boiling point:
~650.95 °C (Predicted)
Solubility:
Soluble in alkaline water, diethyl ether, methanol, n-octanol, and hot water (Very slightly soluble). Insoluble in cold water.
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Hazard Statements

GHS07

GHS03
Harmful
  • Acute toxicity (oral, dermal, inhalation), category 4
  • Skin irritation, categories 2, 3
  • Eye irritation, category 2A
  • Skin sensitization, category 1
  • Specific target organ toxicity following single exposure, category 3
    - Respiratory tract irritation
    - Narcotic effects
  • Not used
  • with the "skull and crossbones" pictogram
  • for skin or eye irritation if:
  • the "corrosion" pictogram also appears
  • the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:
R22 - Harmful if swallowed
R34 - Causes burns
Safety Codes:
S22 - Do not breathe dust
S24/25 - Avoid contact with skin and eyes
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection
S45 - In case of accident or if you feel unwell seek medical advice immediately (show the label where possible)
Hazard Symbols:
C, Xn
Hazard symbol C Hazard symbol Xn
Storage temperature :
-20 °C Freezer
RID/ADR certification :
UN 2583
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Alternative Distributors of [4,4'-Diaminostilbene-2,2'-disulfonic Acid]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Bayer AG | China National Chemical Construction, Shenzhen Company | ABCR GmbH & Co. KG | Hongda Group Limited | TCI Europe NV | Ring Specialty Chemicals Inc. | Lightchem Limited | Jinan Great Chemical Co., Ltd. | Win-Win Chemical Co., Limited | Yongyi Chemicals Group Co., Ltd. | Jinan Haohua Industry Co., Ltd. | Pfaltz & Bauer, Inc. | Gihi Chemicals Co., Limited | Wanko Chemical Co., Ltd.

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MSDS:
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