2B Acid price May 2023 and forecast (see chart below)

  • China:US$3.75/KG, -0.8% down
The chart below summarizes the recent 2B Acid price trend per region, as well as the outlook. It takes a moment to load.

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2B Acid price index

This post is a summary of the 2B Acid price developments since 2017. The price developments are expressed as a price index in US$ prices converted at current FX rates, which are the FX rates applicable at the time the price was valid. 2B Acid price index developments are calculated from multiple separate sources of data to ensure statistical accuracy.

Further information on  2B Acid

Here is further information


What is 2B Acid

2-Amino-4-chloro-5-methylbenzenesulfonic acid, also known as 2B Acid or 2-amino-4-chloro-5-methylbenzenesulfonate, is a chemical compound that is used as a pH adjuster and a buffer in the production of cosmetics, personal care products, and pharmaceuticals. It is a white, crystalline solid with a molecular formula of C7H8ClNO3S.


How is 2B acid produced

2B Acid is typically produced by the sulfonation of 4-chloro-5-methylaniline, which is a process that involves the addition of sulfuric acid to the amine. The resulting product is then purified and isolated to produce 2B Acid.


What is 2B acid used for

2B Acid is used as a pH adjuster and buffer in a variety of personal care and cosmetic products, including shampoos, conditioners, body washes, and lotions. It is also used in the production of certain types of pharmaceuticals, such as antacids, and it has been studied for use as a corrosion inhibitor in the oil and gas industry.

The CAS Number of 2 B Acid is 88-51-7 and its chemical formula is C7H8ClNO3S. The most common end use is Pigments and its various other synonyms are 4-Amino-2-chlorotoluene-5-sulfonic acid; 2B acid; Red 2B acid; Brilliant Toning Red Amine .

It is worth noting that 2B Acid can be toxic if ingested or inhaled in large amounts, and it can cause irritation to the skin and eyes. As a result, it is important to handle 2B Acid with caution and to follow proper safety procedures when working with this chemical.


Further reading

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Notes on the price-data

  • We aim to update the data series on the 9th and 24th of each month (but we do not always make it for each chart)
  • The data for the current month and recent history are fine-tuned over time.
  • We are continually improving our data collection and processing methods
  • Pricing data will be updated from time to time as we improve the accuracy
  • We will improve our price trend algorithm before December 31, 2023.
    • There will be continuous fine-tuning of the trend and forecast algorithm until end of December 2023.
    • As part of that process, we will add many additional indexes in the final quarter of 2023
  • This the index trend of the price of the product group in general and not a single specification in particular
  • The source of the data are exclusively public non-confidential sources
  • We combine public publications, import/export records, company announcements, and sources of ad-hoc public information.
  • The chart shows the price trend,  nearly always taken from many statistically-correlated sources 
  • The data is presented in US$. The UOM of measure is shown in the Index list table
  • We do our best to create an accurate representation of the trend
  • We assume no responsibility or liability for any errors or omissions in the content of this site.
  • The information is provided on an “as is” basis with no guarantee of completeness, accuracy, usefulness, fitness for purpose or timeliness.
  • By their nature, outlooks are always uncertain
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