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K. C. Das (chemist)

K. C. Das (chemist) is a chemistry topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand K. C. Das (chemist) rather than just read about it. In short: Khagendra Chandra Das (often shortened as K.C. Das) was an Indian entrepreneur and proprietor of the Calcutta Chemical Company.

K. C. Das (chemist) — main illustration
K. C. Das (chemist) — illustration

Key takeaways

  • K. C. Das (chemist) belongs to chemistry; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect K. C. Das (chemist) to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of K. C. Das (chemist) from memory before moving on to harder problems.

Reference excerpt

Khagendra Chandra Das (often shortened as K.C. Das) was an Indian entrepreneur and proprietor of the Calcutta Chemical Company. Under his leadership, the company became one of the most well-known businesses of the Swadeshi movement, and was well-known for Margo (soap) and a number of other products.

Early life K.C. Das was born into an affluent Baidya family in Bengal. He was the son of Rai Bahadur Tarak Chandra Das, a judge, and Mohini Devi, who was later a staunch Gandhian and Independence activist. Mohini Devi was also a former President of the Mahila Atma Raksha Samiti, an organisation committed to women's self defence. Amongst his siblings, the most notable was Dr. Prabhavati Das Gupta, a graduate from Heidelberg University and a trade union activist along with her husband and Congress MP Bakar Ali Mirza. After completing his education in Calcutta, he became a lecturer at Shibpur College (now Indian Institute of Engineering Science and Technology, Shibpur). At this time, there could be seen a substantial growth in anti-British activity in Bengal, highlighted by the growth of Revolutionary thought and action. Das got involved with a number of other youths who subscribed to this brand of thinking. His father, who was known to be close to certain officials in the Indian government, was informed that his son would soon be arrested if he did not take any preventive action. He then encouraged his son to go abroad to pursue higher studies. Das, who wanted nothing to do with Britain, instead chose to go to the United States.

Education abroad

United States Das sailed for the United States on a scholarship from the Indian Society for the Advancement of Scientific Industry, and enrolled at UC Berkeley. However, he and another student, S.M. Bose (later founder of Duckback Waterproof) eventually transferred to Stanford University. Both graduated with degrees in Chemistry in 1910. During this time, Das was very closely involved with Indian independence activities in the United States, forming the California chapter of the Indian Independence League and working closely with Lala Har Dayal.

Japan Before returning to India, both Bose and Das proceeded to Japan where each delved further into processes that would come to define their later businesses - waterproofing for Bose, and pharmaceuticals for Das.

Calcutta Chemical Company

Establishment Das, along with R.N. Sen and B.N. Maitra, incorporated the Calcutta Chemical Company in 1916. It had its registered office at 35 Panditia Road and an additional factory in Tiljala. The company was established in keeping with the prevailing air of the Swadeshi movement, of which Das was a staunch supporter. He believed that one of the most important industries that was still cornered by the British was the pharmaceutical industry.

Popularity The company became highly successful due to its toilet products. Das perfected the process to extract the essence of the Neem plant, which he believed to be symbolic of Indian products, which led to the creation of two enduring brands - Margo (soap) and Neem toothpaste. He priced them in such a way as to allow them to be affordable to every strata of society. He also created and marketed a number of other products, including Lavender Dew Powder (for a more upmarket segment). With growing demand, the company expanded by creating distribution offices in all major cities in the country, and set up additional manufacturing plants in present day Tamil Nadu. The company then began international distribution in South East Asia, establishing a distribution chain in Singapore. By the time of Das' death in the 1960s, the company had become amongst the most well-known and recognisable businesses in the South Asian region. It was also known for the manufacture of a number of important chemical compounds that were essential to industrial processes. After his death, his younger brother, Jagadish Chandra Dasgupta took over the business as Chairperson.

Personality K.C. Das was a renown figure in Calcutta, and was a lifelong believer in the Swadeshi philosophy and continued to be staunchly anti-British even post-Independence. Since his return from the United States and Japan, he chose to wear only Khadi clothing. He was immensely popular in the Baidya community as well, providing scholarships to a number of young boys who came to Calcutta for their education. He was intensely committed to the ideals of entrepreneurship, and was known to dislike the idea of 'service'. At the time of his funeral, a number of people came forward and recounted how, on his walks around the lakes in Calcutta, Das would stop them and encourage them to give up the idea of looking for a job and start something of their own - no matter how small. Often he would provide the seed capital for the ventures, and never asked for the money back.

Trivia While he was staunchly anti-British, K.C. Das' only son married the daughter of noted Solicitor Susil C. Sen CBE, a lawyer who had very close ties to the British government. His family name is Dasgupta, but being staunchly against the caste system, his father dropped the 'Gupta' which associated them with the Baidya community. K.C. Das gave an opportunity to Debu Barik, the owner of a small eatery behind Bijoli Cinema in Calcutta, to run the canteen at the Calcutta Chemical Company office in Panditia Road, recognising an entrepreneurial spark in him. That eatery is now the famous Bijoli Grill, one of the most popular restaurants for Bengali food in the country. K.C. Das is the grandfather of noted columnist and Rajya Sabha MP Swapan Dasgupta.

References

Illustrations

K. C. Das (chemist) illustration

Worked examples

Example 1 — a first encounter with K. C. Das (chemist)

Start with the simplest possible case. Write down what K. C. Das (chemist) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to K. C. Das (chemist) before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about K. C. Das (chemist) ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of K. C. Das (chemist)

In research
K. C. Das (chemist) appears in chemistry research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses K. C. Das (chemist) in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
K. C. Das (chemist) is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1960s deaths, Bengali chemists, Businesspeople from Kolkata, so understanding it makes those chapters shorter.
In everyday life
Look for K. C. Das (chemist) outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study K. C. Das (chemist) in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what K. C. Das (chemist) means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain K. C. Das (chemist) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is K. C. Das (chemist) in simple terms?

Khagendra Chandra Das (often shortened as K.C. Das) was an Indian entrepreneur and proprietor of the Calcutta Chemical Company.

Why does K. C. Das (chemist) matter?

Because it connects several chemistry ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study K. C. Das (chemist)?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on K. C. Das (chemist).

Tags

  • 1960s deaths
  • Bengali chemists
  • Businesspeople from Kolkata
  • Indian businesspeople
  • Indian chairpersons of corporations
  • Indian independence activists
  • Stanford University School of Humanities and Sciences alumni

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