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  7. 4,4'-Diaminostilbene-2,2'-disulfonic acid, 95%

4,4'-Diaminostilbene-2,2'-disulfonic acid, 95%

Product Code. 10731632 Shop All Thermo Scientific Chemicals Products
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Product Code. 10731632 Supplier Thermo Scientific Acros Supplier No. 406411000
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Description

CAS: 81-11-8 | C14H14N2O6S2 | 370.4 g/mol

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 81-11-8
Molecular Formula C14H14N2O6S2
Molecular Weight (g/mol) 370.4
MDL Number MFCD00024946
InChI Key REJHVSOVQBJEBF-OWOJBTEDSA-N
Synonym amsonic acid, flavonic acid, tinopal bhs, amsonsaeure, dasd, 4,4'-diaminostilbene-2,2'-disulfonic acid, unii-h68088wvjl, 2,2'-disulfo-4,4'-stilbenediamine, diaminostilbenedisulfonic acid, 4,4'-diaminostilbene-2,2'-disulphonic acid
PubChem CID 5284378
IUPAC Name 5-amino-2-[(E)-2-(4-amino-2-sulfophenyl)ethenyl]benzenesulfonic acid
SMILES C1=CC(=C(C=C1N)S(=O)(=O)O)C=CC2=C(C=C(C=C2)N)S(=O)(=O)O

Specifications

CAS Min % 94.0
CAS Max % 100.0
Melting Point >300°C
Color Brown-Yellow to Cream
Infrared Spectrum Authentic
Assay Percent Range 95%
Packaging Glass bottle
Quantity 100 g
Beilstein 14,I,744
Merck Index 15, 590
Solubility Information Solubility in water: very slightly soluble. Other solubilities: soluble in ethanol,diethyl ether
Formula Weight 370.4
Percent Purity 95%
Physical Form Crystalline Powder
Chemical Name or Material 4, 4'-Diaminostilbene-2, 2'-disulfonic acid, 95%
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Safety and Handling

compliance-icons
Product Identifier
  • 4,4'-Diaminostilbene-2,2'-disulfonic acid
 Signal Word
  • Warning
 Hazard Category
  • Acute toxicity Category 4
  • Serious eye damage/eye irritation Category 2
  • Skin corrosion/irritation Category 2
  • Specific target organ toxicity Category 3
 Hazard Statement
  • H315-Causes skin irritation.
  • H319-Causes serious eye irritation.
  • H335-May cause respiratory irritation.
  • H312-Harmful in contact with skin.
  • H332-Harmful if inhaled.
  • H302-Harmful if swallowed.
 Precautionary Statement
  • P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P301+P312-IF SWALLOWED: Call a POISON CENTER or doctor/physician/ if you feel unwell.
  • P302+P352-IF ON SKIN: Wash with plenty of water/.
  • P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
SDS

RUO – Research Use Only

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