Guanidine Carbonate 99.5%min CAS: 100224-74-6 White, crystalline, hygroscopic powder Industries, Personal Care, ... (Pharma grade)Formula: C2H10N6•H2CO3M.W.: 180.17CAS #: 593-85-1 & 100224-74-6 Description: White, crystalline, hygroscopic powder Property: It ... . Guanidine Carbonate 99%min, hare care use, skin care use,CAS: 100224-74-6, 593-85 ...