Tetramethylol acetylenediurea TMAD CAS 5395-50-6 powder

Tetramethylol Acetylenediurea (1,3,4,6-Tetrakis(hydroxymethyl)glycoluril | Tetrahydro-1,3,4,6-tetrakis(hydroxymethyl)imidazo[4,5-d]imidazole-2,5(1H,3H)-dione)

CAS No. 5395-50-6

Molecular Formula C₈H₁₄N₄O₆

Molecular Weight 262.22 g/mol

Product Properties

White to off-white crystalline powder, solid at room temperature. Possesses excellent thermal stability and hydrophilicity due to its unique structure containing two urea groups and four hydroxymethyl groups. Soluble in water (increasing with temperature), slightly soluble in chloroform, DMSO, and methanol .

| Parameter | Specification |

| :--- | :--- |

| Assay (Purity) | ≥98.0% (GC) |

| Appearance | White to off-white crystalline powder |

| Melting Point | 135–138°C |

| Density (Predicted) | 1.697 g/cm³ |

| Boiling Point | 624.2°C at 760 mmHg |

| EINECS No. | 226-408-0 |

Storage

Store in a tightly sealed container in a cool, dry, well-ventilated area away from moisture and direct sunlight. Long-term storage at room temperature is recommended .

Packing

Available in 25 kg net fiber drums, or as per customer requirements .

Application

- Crosslinking Agent: Used in the production of high-molecular-weight materials such as polyurethanes, epoxy resins, and polyesters to improve mechanical strength, thermal resistance, and corrosion resistance .

- Chemical Intermediate: Serves as a key intermediate for organic synthesis and specialty chemical formulations .

- Water Treatment Agent: Used as an additive in water treatment applications .

Product Specification

| Item | Specification |

| Product Name | Tetramethylol Acetylenediurea |

| Synonyms | 1,3,4,6-Tetrakis(hydroxymethyl)glycoluril; Tetrahydro-1,3,4,6-tetrakis(hydroxymethyl)imidazo[4,5-d]imidazole-2,5(1H,3H)-dione |

| CAS No. | 5395-50-6 |

| Molecular Formula | C₈H₁₄N₄O₆ |

| Molecular Weight | 262.22 g/mol |

| Assay (GC) | ≥98.0% |

| Appearance | White to off-white crystalline powder |

| Storage Condition | Cool, dry, ventilated area; moisture-proof |

| Packing | 25 kg/fiber drum or customized |