Provided is a powdered thickener having excellent handleability, and excellent solubility in liquid oil. A powdered thickener according to the present invention contains: a compound represented by formula (1) (where, R's are the same or different, and each represents a branched saturated aliphatic hydrocarbon group having 5-22 carbon atoms, or alinear unsaturated aliphatic hydrocarbon group having 5-22 carbon atoms); and an oil agent having a melting point of 30 DEG C or more. The content of the oil agent having a melting point of 30 DEG C or more is, for example, 10-100 parts by weight with respect to 100 parts by weight of the compound represented by formula (1).本發明提供一種處理性優異,且對於液狀油的溶解性優異之粉末狀增黏劑。本發明之粉末狀增黏劑含有下述式(1)(式中,R為相同或相異,表示碳數5~22之分支鏈狀飽和脂肪族烴基、或碳數5~22之直鏈狀不飽和脂肪族烴基)所示之化合物、與熔點為30℃以上的油劑。相對於式(1)所示之化合物100重量份,熔點為30℃以上之油劑的含量例如為10~100重量份。