4,4'-Diaminostilbene-2,2'-disulfonic acid, 95%, Thermo Scientific Chemicals

Description

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.

Specifications

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

• 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: 500 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%

Safety and Handling

Hazard Category	GHS Signal Word: Warning
Hazard Statement	GHS H Statement: May cause respiratory irritation. Harmful if swallowed. Harmful in contact with skin. Causes skin irritation. Harmful if inhaled. Causes serious eye irritation.
Precautionary Statement	GHS P Statement: Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. Avoid breathing dust/fume/gas/mist/vapors/spray. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.
EINECSNumber	201-325-2
RTECSNumber	WJ6603000
TSCA	TSCA

SDS

RUO – Research Use Only