Cookies disclaimer

I agree Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our website without changing the browser settings you grant us permission to store that information on your device.

24171-03-7 - 2,5-Diaminohydroquinone dihydrochloride, 97% - 2,5-Diamino-1,4-dihydroxybenzene dihydrochloride - B21969 - Alfa Aesar

B21969 2,5-Diaminohydroquinone dihydrochloride, 97%

CAS Number
2,5-Diamino-1,4-dihydroxybenzene dihydrochloride

Size Price ($) Quantity Availability
0.25g 55.20
1g 133.00
Add to Cart Add to Quote Request View Item

2,5-Diaminohydroquinone dihydrochloride, 97%


Chemical Properties

Formula Weight
Melting point
Air Sensitive


2,5-Diaminohydroquinone dihydrochloride is used in the preparation of polymers, synthetically cross-linked polyimide and silica hybrid films.


Air sensitive. It may discolor to black-violet on storage. Store away from strong oxidizing agents, air.

Literature References

J. Szita and C. S. Marvel. Polymers derived from 2,5-diamino-p-benzoquinone-diimide and related compounds. Journal of Polymer Science Part A-1: Polymer Chemistry. 1969, 7 (11), 3203-3217.

Z. Ahmad; F. Al Sagheer; A. Al Arbash; A.A.M. Ali. Synthesis and characterization of chemically cross-linked polyimide-siloxane hybrid films. Journal of Non-Crystalline Solids. 2009, 355 (8), 507-517.

GHS Hazard and Precautionary Statements

Hazard Statements: H302-H315-H319-H335

Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P301+P312-P312-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. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. 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


Recently Viewed


Life Science

Metals & Materials


Analytical & Labware