CAS 81-11-8 | Products & Prices & Suppliersts

4,4'-Diamino-2,2'-stilbenedisulfonic acid (CAS 81-11-8) is a chemical compound that appears as a white to off-white powder. Its basic structure consists of two amino groups (NH2) attached to a stilbene backbone, with two sulfonic acid groups (SO3H) also present. This compound is soluble in water, forming a clear solution. It has a molecular weight of 332.36 g/mol and a melting point of approximately 300-305°C.

Applicable Fields

4,4'-Diamino-2,2'-stilbenedisulfonic acid has various applications in different fields:

Textile Industry: In the textile industry, this chemical is used as a dye intermediate. It acts as a precursor for the synthesis of dyes and pigments, contributing to the coloration of fabrics and textiles.

Photographic Industry: 4,4'-Diamino-2,2'-stilbenedisulfonic acid is also employed in the photographic industry. It is used as a sensitizer in the production of silver halide emulsions, enhancing the sensitivity of photographic materials to light.

Research and Development: This compound finds applications in research and development laboratories. It can be used as a reagent or building block in the synthesis of various organic compounds, contributing to the development of new materials and pharmaceuticals.

Storage Conditions

The recommended storage conditions for 4,4'-Diamino-2,2'-stilbenedisulfonic acid are to store it in a cool and dry place, away from direct sunlight.

ldentification

: Cas NO.: 81-11-8; CID: 5284378; Mw: 370.40076; MF: C14H14N2O6S2; Name:4,4'-Diamino-2,2'-stilbenedisulfonic acid (Related Reference); Synonyms: 1,2-bis(4-amino-2-sulfophenyl)ethene; 2,2'-(1,2-ethenediyl)bis(5-amino)benzenesulfonic acid; 2,2'-(1,2-Ethenediyl)bis(5-aminobenzenesulfonic acid); 2,2’-(1,2-ethenediyl)bis[5-amino-benzenesulfonicaci;; EINECS: 201-325-2

Safety Data

: [Risk Codes] R34:Causes burns; [Safety Statements] S22:Do not breathe dust 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 label where possible); Hazard Symbols:

Properties

: Appearance:White to Yellowish Crystalline Powder; Molecular Weight:370.40076; Density:1.662; Melting Point:>325℃; Storage Temperature:Keep in dark place,Inert atmosphere,Room temperature; Refractive index:1.726; Solubility:<0.1 g/100 mL at 23 oC; Stability:Stable. Combustible. Incompatible with iron, strong oxidizing agents.; More Properties>>

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Question & Answer

: What are the properties and production method of 4,4'-Diamino-2,2'-stilbenedisulfonic acid (DABS)? Background and Overview 4,4'-Diamino-2,2'-stilbenedisulfonic acid, also known as DABS, is primarily used in the production of fluorescent whitening agents, Direct Yellow G, Direct Yellow R, Sunfast Or.. Sep 24 2024; What are the specific applications of 4,4′-two 4- (2,2-bisphenyl-ethen-yl) -4 ', 4-2,29-? 4,4′-two 4- (2,2-bisphenyl-ethen-yl) -4 ', 4 -2,2 ′- sulfonic acid as an important chemical, There are extensive applications in many fields. This article will introduce its different purposes. Thr.. Dec 28 2023; What are the potential applications and prospects for the development of 4,4'-24-(2,2-bisphenyl-ethen-yl)-4',4-2,2'-? This article will tell 4,4 '- two 4- (2,2-bisphenyl-ethen-yl) -4', 4 -2,2 '- Two What are the uses of sulfonic acid and their development prospects, and aim to provide reference ideas for researchers.. Dec 28 2023