Sodium dodecyl sulfate, synonymously sodium lauryl sulfate (or laurilsulfate; SDS or SLS, respectively), is a synthetic organic compound with the formula CH3(CH2)11SO4Na. It is an anionic surfactant used in many cleaning and hygiene products. The sodium salt is of an organosulfate class of organics. It consists of a 12-carbon tail attached to a sulfate group, i.e., it is the sodium salt of dodecyl hydrogen sulfate, the ester of dodecyl alcohol and sulfuric acid.
Third-Party Transaction. What is a 'Third-Party Transaction'. A third-party transaction is a business deal involving a buyer, a seller and a third party. The third party's involvement varies with the type of business transaction. For example, an online payment portal, such as PayPal, acts as a third party in a retail transaction.
Down payment. Down payment (or downpayment) is a payment used in the context of the purchase of expensive items such as a car and a house, whereby the payment is the initial upfront portion of the total amount due and it is usually given in cash at the time of finalizing the transaction. A loan or the amount in cash is then required to make the full payment.