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98-44-2 - Aniline-2,5-disulfonic acid, 95% - 2-Amino-1,4-benzenedisulfonic acid - 2,5-Disulfoaniline - B25350 - Alfa Aesar

B25350 Aniline-2,5-disulfonic acid, 95%

CAS Number
98-44-2
Synonyms
2-Amino-1,4-benzenedisulfonic acid
2,5-Disulfoaniline

Size Price ($) Quantity Availability
5g 58.50
25g 139.00
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Aniline-2,5-disulfonic acid, 95%

MDL
MFCD00035753
EINECS
202-669-6

Chemical Properties

Formula
C6H7NO6S2
Formula Weight
253.25
Melting point
>300°
Solubility
Slightly soluble in water.

Applications

Aniline-2,5-disulfonic acid is used as pharmaceutical intermediate.

Notes

Stable under recommended storage conditions. Incompatible with oxidizing agents.

Literature References

Heqing Tang; Akira Kitani; Tomoyuki Yamashita; Sotaro Ito. Highly sulfonated polyaniline electrochemically synthesized by polymerizing aniline-2,5-disulfonic acid and copolymerizing it with aniline. Synthetic Metals. 1998, 96,(1), 43-48.

 

Heqing Tang; Akira Kitani; Sotaro Ito. Electrochemical copolymerization of aniline and aniline-2,5-disulfonic acid. Electrochimica Acta. 1997, 42,(23-24), 3421-3428.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. 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. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Harmonized Tariff Code
2921.42
TSCA
Yes
RTECS
CZ9250000

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