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Description
TCI D5686 1,4-Diaminobutane Dihydroiodide is the dihydroiodide salt of 1,4-diaminobutane, a four-carbon aliphatic diamine more commonly known as putrescine. The product is supplied by TCI and is classified as a non-heterocyclic building block, meaning a molecular construction material whose skeleton contains no heteroatom ring. In the laboratory, this compound serves to provide a symmetrical diamine unit carrying two primary amine groups at both ends of the chain, already in protonated form together with iodide ions, so that it is ready for use as an organic synthesis reagent as well as a source of organic diammonium cations in halide-based materials research.
The main reason researchers choose the dihydroiodide salt form rather than the free amine is ease of handling. Free aliphatic amines are generally very pungent, readily absorb carbon dioxide and water vapour from the air, and are prone to compositional change during prolonged storage. In the solid salt form, this compound is far easier to weigh accurately, has a clearly defined cation–anion stoichiometry, and is much quieter in terms of odour. Its good solubility in polar solvents such as water, alcohols, dimethylformamide, and dimethyl sulfoxide further supports straightforward solution preparation.
In Indonesian laboratories, this material typically appears in university and institutional research settings where organic synthesis and halide-based materials work are carried out. It is used by groups preparing diammonium precursor solutions, by synthetic chemists who need a defined symmetrical diamine unit, and in teaching or method-development contexts where a stable, easily weighed solid is preferred over a volatile free amine. The salt form suits laboratories operating in warm, humid conditions, where hygroscopic and odorous free amines are harder to manage.
Laboratory Applications
- Organic synthesis reagent — supplies a symmetrical four-carbon diamine unit with two primary amine groups, allowing controlled chain extension and linking reactions from a stable, accurately weighable solid.
- Halide-based materials research — acts as a source of organic diammonium cations already paired with iodide ions, matching the anion chemistry of halide systems without introducing foreign counterions.
- Diammonium precursor solution preparation — its good solubility in water, alcohols, dimethylformamide, and dimethyl sulfoxide lets researchers prepare defined-concentration stock solutions with minimal effort.
- Non-heterocyclic building block work — provides a ring-free aliphatic backbone for constructing larger molecules, useful where a heteroatom ring would interfere with the intended structure or reactivity.
- Method development and teaching syntheses — the low-odour, stable salt form replaces the pungent, air-sensitive free amine, making it more practical for repeated handling in shared laboratory spaces.
Specifications
- Brand: TCI
- Product code: D5686
- CAS number: 916849-52-0
- Chemical name: 1,4-Diaminobutane Dihydroiodide (putrescine dihydroiodide)
- Category: Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
- Physical form: solid salt; soluble in polar solvents including water, alcohols, dimethylformamide, and dimethyl sulfoxide
- Pack sizes: please refer to the available packaging options for this catalogue item
- Storage: keep in a tightly closed container in a cool, dry place away from moisture
Handling and Storage
Store the material in its original tightly closed container in a cool, dry location, protected from moisture and direct sunlight. Because amine salts can pick up water from humid air, the container should be resealed promptly after each use and kept away from open sources of humidity; secondary containment in a sealed bag or desiccated cabinet is helpful in tropical laboratory conditions. Weigh the solid in a well-ventilated area or fume hood, and wear a laboratory coat, safety goggles, and chemical-resistant gloves when handling. Avoid generating and inhaling dust, keep the substance away from strong oxidising agents, and clean spills promptly using dry collection methods. Wash hands thoroughly after handling, and dispose of residues and contaminated materials according to your institution's chemical waste procedures.
