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DMDM hydantoin

Preservative

DMDM hydantoin is a formaldehyde-releasing preservative that functions by releasing formaldehyde in response to various conditions, particularly in alkaline environments. It exhibits broad-spectrum antimicrobial activity against fungi, yeast, and both gram-positive and gram-negative bacteria, making it a versatile choice for preservation. Due to its potential to induce allergic contact dermatitis through type-IV delayed hypersensitivity, this compound is often investigated in research focused on allergic reactions. DMDM hydantoin is primarily utilized in cosmetic formulations such as shampoos, hair gels, and skin care products.

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Specifications

Manufacturer	Adooq Bioscience
CAS Number	6440-58-0
Applications	Preservative
Formula	C₇H₁₂N₂O₄
Molecular Weight	188.18
Synonyms	Dimethyloldimethyl hydantoin
SMILES	O=C1N(C(=O)C(N1CO)(C)C)CO

Storage & Solubility

In Vitro Solubility

Reported Solubility

No reported solubility data are available for this product.

Preparing Stock Solutions

Stock preparation is unavailable for this product molecular weight.

Calculated stock concentrations do not establish solvent solubility. Refer to the reported solubility data for experimental guidance.

Storage

Store powder at -20°C, keep desiccated.
In powder form, the chemical is stable for 36 months.
In solution, store at -20°C and use within 1 month to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.