Dicyandiamide
- CAS No.
- 461-58-5
- Chemical Name:
- Dicyandiamide
- Synonyms
- CYANOGUANIDINE;DICYANODIAMIDE;DCD;N-Cyanoguanidine;1-CYANOGUANIDINE;2-Cyanoguanidine;Metformin impurity A;DICY;Dermcidin;Guanidine-1-carbonitrile
- CBNumber:
- CB1779741
- Molecular Formula:
- C2H4N4
- Molecular Weight:
- 84.08
- MOL File:
- 461-58-5.mol
- MSDS File:
- SDS
- Modify Date:
- 2024/6/28 14:37:56
| Melting point | 208-211 °C (lit.) |
|---|---|
| Boiling point | 144.35°C (rough estimate) |
| Density | 1.40 |
| vapor pressure | 0.001Pa at 20℃ |
| refractive index | 1.6260 (estimate) |
| storage temp. | 2-8°C |
| solubility | H2O: 0.1 g/mL, clear |
| pka | 0.73±0.70(Predicted) |
| form | Crystalline Powder |
| color | White |
| Water Solubility | 32 g/L (20 ºC) |
| Merck | 14,3092 |
| BRN | 605637 |
| Stability | Stable. Incompatible with strong acids, strong oxidizing agents, strong bases. |
| InChIKey | QGBSISYHAICWAH-UHFFFAOYSA-N |
| LogP | -1 at 20℃ |
| CAS DataBase Reference | 461-58-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Dicyandiamide(461-58-5) |
| EPA Substance Registry System | Dicyanodiamide (461-58-5) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS09 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Hazard statements | H411 | |||||||||
| Precautionary statements | P273-P391-P501 | |||||||||
| Hazard Codes | Xn,T | |||||||||
| Risk Statements | 20/21/22-43-36/38-25 | |||||||||
| Safety Statements | 22-24/25-45-36-3 | |||||||||
| RIDADR | UN 2811 6.1 / PGIII | |||||||||
| WGK Germany | 1 | |||||||||
| RTECS | ME9950000 | |||||||||
| TSCA | Yes | |||||||||
| HS Code | 29262000 | |||||||||
| Toxicity | LD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rabbit > 2000 mg/kg | |||||||||
| NFPA 704 |
|
Dicyandiamide price More Price(15)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | D76609 | Dicyandiamide 99% | 461-58-5 | 25G | ₹2490 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | SAB1306514 | ANTI-DCD(C-TERMINAL) antibody produced in rabbit purified immunoglobulin, buffered aqueous solution | 461-58-5 | 400μL | ₹47796.6 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | PHR1331 | Metformin Related Compound A Pharmaceutical Secondary Standard; Certified Reference Material | 461-58-5 | 500MG | ₹8421.85 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | D76609 | Dicyandiamide 99% | 461-58-5 | 1KG | ₹3330 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | D76609 | Dicyandiamide 99% | 461-58-5 | 3KG | ₹6386.75 | 2022-06-14 | Buy |
Dicyandiamide Chemical Properties,Uses,Production
Chemical Properties
white powder
Uses
Dicyandiamide is a guanidine derivative used in the synthesis of barbiturates,it is also used in the plastics industry (manufacture of melamine).
Application
Dicyanodiammonia, abbreviated as dicy or DCD. It is an organic substance with the chemical formula of c2h4n4. It is a dimer of cyanamide and a cyano derivative of guanidine. Chemical formula c2h4n4. White crystalline powder. Soluble in water, alcohol, ethylene glycol and dimethylformamide, almost insoluble in ether and benzene. Stable when dry. It is a guanidine in which one of the amino hydrogens of guanidine itself is substituted by a cyano group. It is used in the manufacture of fertilizers, pharmaceuticals, explosives, oil well drilling muds, and dyestuffs. It has a role as a curing agent, a flame retardant, a fertilizer, an explosive and a nitrification inhibitor. It is a member of guanidines and a nitrile. The application of nitrification inhibitors has been used as a strategy to promote N utilization efficacy and reduce N2O emissions in paddy Dicyandiamide (DCD) as a widely used nitrification inhibitor inhibits the activity of ammonium-oxidizing bacteria which results in longer ammonium retention and reduces the production of NO2?in soils. DCD efficacy was found to be related to DCD concentration, temperature, moisture, pH, and organic matter content. Studies have shown that leaching DCD from agricultural soils into aquatic ecosystems can strongly change the community composition of benthic stream bacteria and algae and influence stream nutrient cycling stoichiometry. Literature on the mechanisms and benefits of nitrification inhibitors is extensive but there are very few studies focused on the influence of DCD application on other microbes in paddy system.
Production Methods
Dicyanodiamide is manufactured by dimerization of cyanamide in aqueous solution. The 25% cyanamide solution produced is adjusted to pH 8–9 and held at approximately 80C for 2 h to give complete conversion. The hot liquor is filtered and transferred to a vacuum crystallizer, where it is cooled. The crystals or dicyanodiamide are separated in continuous centrifuges and passed to rotary driers. In 1990, the total worldwide production of dicyanodiamide was about 30,000 tons.
General Description
Dicyandiamide is commonly used for the curing of epoxy resins. It is a nitrification inhibitor that is said to be capable of reducing nitrate (NO3-) leaching and nitrous oxide (N2O) emissions from grazed pasture soils.
Purification Methods
Recrystallise cyanoguanidine from water or EtOH. [Beilstein 3 IV 160.]
Dicyandiamide Preparation Products And Raw materials
Raw materials
Preparation Products
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