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4,4'-Diaminostilbene-2,2'-disulfonic Acid, 95+%

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Formula: C14H14N2O6S2
CAS: 81-11-8
search Element: diaminostilbene disulfonic acid
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Identification

Structural Formula
4,4'-Diaminostilbene-2,2'-disulfonic Acid, 95+%
CAS:
81-11-8
EINECS:
201-325-2
Molecular Formula:
C14H14N2O6S2
MDL:
MFCD00024946
Synonym:
dasda ; dasd ; dsd acid ; das ; nci-c60162 ; flavonicacid ; akos bbs-00004717 ; tinopalbhs ; amsomicacid ; amsonic acid




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Prices & Availability




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Properties for 4,4'-Diaminostilbene-2,2'-disulfonic Acid, 95+%

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, 95+%]

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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