Dimethyloldimethyl Hydantoin DMDMH with CAS 6440-58-0

CAS No.: 6440-58-0

MF: C7H12N2O4

MW: 188.18

EINECS No.: 229-222-8

Synonym: 1,3-dimethylol-5,5-dimethyl hydantoin; 1,3-Bis(hydroxymethyl)-5,5-dimethyl-2,4-imidazolidinedione; 1,3-BIS(HYDROXYMETHYL)-5,5; DIMETHYLHYDANTOIN; bis(hydroxymethyl)-5,5-dimethyl-2,4-imidazolidinedione; Bis(hydroxymethyl)-5,5-dimethylhydantoin; dimethylol-5,5-dimethylhydantoin; Dimethyloldimethyl hydantoin; 1,3-bis(dihydroxymethyl)-5,5-dimethylhydantoin; 1,3-bis(hydroxymethyl)-5,5-dimethyl-4-imidazolidinedione; 1,3-di(Hydroxymethyl)-5,5-dimethylhydantoin; 1,3-Dihydroxymethyl-5,5-dimethylhydantoin

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What is Dimethyloldimethyl Hydantoin DMDMH？

Dimethyloldimethyl Hydrantoin is a colorless transparent liquid with slight aldehyde smell. It crystallizes when the ambient temperature is lower than 15 ℃. Dimethyloldimethyl hydantoin is a formaldehyde emission substance, soluble in water and alcohol, and has good heat resistance.

Specification

Product Name	DMDM Hydantoin; DMDMH
CAS No.	6440-58-0
MF	C7H12N2O4
Appearance (25℃)	Colorless to light yellow clear liquid
Odor	Odorless or characteristically mild
PH	5.0~7.0
Nitrogen,%	7.8~8.6
Total Solids,%	54~56
Specific Gravity(25oC)	1.14~1.17
Dissociative formaldehyde,%	≤2.0
Total formaldehyde,%	17~18
Ash	0.001% max.
Pb	0.004% max.
Solubility	Very soluble in water; soluble in lower alcohols and glycols

Application

DMDM Hydantoin (DMDMH), is permitted for use in cosmetic and personal care products in the USA and the EU to a maximum concentration of 0.6%.

DMDM Hydantoin is compatible with essentially all cosmetic ingredients, such as surfactants, emulsifiers, proteins, aloe and amines.

DMDM Hydantoin is an excellent preservative for both leave-on and rinse-off products such as shampoos, creams, lotions, bubble baths, rinses, wipes and towelettes.