Readers hoping to buy Ecolab Inc. (NYSE:ECL) for its dividend will need to make their move shortly, as the stock is about to trade ex-dividend. The ex-dividend date is one business day before a company's record date, which is the date on which the company determines which shareholders are entitled to receive a dividend. The ex-dividend date is of consequence because whenever a stock is bought or sold, the trade takes at least two business day to settle. This means that investors who purchase Ecolab's shares on or after the 17th of December will not receive the dividend, which will be paid on the 15th of January.

The company's next dividend payment will be US$0.65 per share. Last year, in total, the company distributed US$2.28 to shareholders. Last year's total dividend payments show that Ecolab has a trailing yield of 0.9% on the current share price of US$245.46. Dividends are an important source of income to many shareholders, but the health of the business is crucial to maintaining those dividends. That's why we should always check whether the dividend payments appear sustainable, and if the company is growing.

Dividends are usually paid out of company profits, so if a company pays out more than it earned then its dividend is usually at greater risk of being cut. Ecolab paid out a comfortable 32% of its profit last year. A useful secondary check can be to evaluate whether Ecolab generated enough free cash flow to afford its dividend. Thankfully its dividend payments took up just 33% of the free cash flow it generated, which is a comfortable payout ratio.

It's encouraging to see that the dividend is covered by both profit and cash flow. This generally suggests the dividend is sustainable, as long as earnings don't drop precipitously.

Click here to see the company's payout ratio, plus analyst estimates of its future dividends.

Have Earnings And Dividends Been Growing?

Companies with consistently growing earnings per share generally make the best dividend stocks, as they usually find it easier to grow dividends per share. If business enters a downturn and the dividend is cut, the company could see its value fall precipitously. For this reason, we're glad to see Ecolab's earnings per share have risen 11% per annum over the last five years. Earnings per share are growing rapidly and the company is keeping more than half of its earnings within the business; an attractive combination which could suggest the company is focused on reinvesting to grow earnings further. Fast-growing businesses that are reinvesting heavily are enticing from a dividend perspective, especially since they can often increase the payout ratio later.

The main way most investors will assess a company's dividend prospects is by checking the historical rate of dividend growth. Ecolab has delivered an average of 7.6% per year annual increase in its dividend, based on the past 10 years of dividend payments. We're glad to see dividends rising alongside earnings over a number of years, which may be a sign the company intends to share the growth with shareholders.

Final Takeaway

Is Ecolab worth buying for its dividend? We love that Ecolab is growing earnings per share while simultaneously paying out a low percentage of both its earnings and cash flow. These characteristics suggest the company is reinvesting in growing its business, while the conservative payout ratio also implies a reduced risk of the dividend being cut in the future. There's a lot to like about Ecolab, and we would prioritise taking a closer look at it.

With that in mind, a critical part of thorough stock research is being aware of any risks that stock currently faces. For example, we've found 1 warning sign for Ecolab that we recommend you consider before investing in the business.

If you're in the market for strong dividend payers, we recommend checking our selection of top dividend stocks.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.