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Molecular Formula: C2H4N4
Molecular Weight: 84.08
CAS No.: 461-58-5
| Name | Dicyandiamide |
| Synonyms | DCD DCDA xb2879b Pyroset DO epicuredicy7 epicuredicy15 Dicyandiamide Dicyanodiamide Cyanoguanidine 2-Cyanoguanidine N-Cyanoguanidine 1-Cyanoguanidine Guanidine, cyano- Guanidine-1-carbonitrile diamino(cyanoiminio)methane |
| CAS | 461-58-5 |
| EINECS | 207-312-8 |
| InChI | InChI=1/C2H4N4/c3-1-6-2(4)5/h(H4,4,5,6)/p+1 |
| InChIKey | QGBSISYHAICWAH-UHFFFAOYSA-N |
| Molecular Formula | C2H4N4 |
| Molar Mass | 84.08 |
| Density | 1.40 |
| Melting Point | 208-211 °C (lit.) |
| Boling Point | 144.35°C (rough estimate) |
| Flash Point | 92.8°C |
| Water Solubility | 32 g/L (20 ºC) |
| Solubility | Soluble in Water: 0.1 g/mL |
| Vapor Presure | 0.001Pa at 20℃ |
| Appearance | White powder |
| Color | White |
| Merck | 14,3092 |
| BRN | 605637 |
| pKa | 0.73±0.70(Predicted) |
| Storage Condition | 2-8°C |
| Stability | Stable. Incompatible with strong acids, strong oxidizing agents, strong bases. |
| Sensitive | Easily absorbing moisture |
| Refractive Index | 1.6260 (estimate) |
| MDL | MFCD00008066 |
| Physical and Chemical Properties | Properties White prismatic crystalline powder “[purpose] used as fertilizer, nitrocellulose stabilizer, rubber vulcanization accelerator, also used in the preparation of guanidine salt, melamine, barbituric acid and so on. “ |
| Use | Used as fertilizer, nitrocellulose stabilizer, rubber vulcanization accelerator, also used in the preparation of guanidine salt, melamine, barbituric acid, etc., is also the raw material of melamine and the intermediate of synthetic medicine, pesticide and dye |
| Risk Codes | R20/21/22 – Harmful by inhalation, in contact with skin and if swallowed. R43 – May cause sensitization by skin contact R36/38 – Irritating to eyes and skin. R25 – Toxic if swallowed |
| Safety Description | S22 – Do not breathe dust. S24/25 – Avoid contact with skin and eyes. S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36 – Wear suitable protective clothing. S3 – Keep in a cool place. |
| UN IDs | 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 |
Dicyandiamide is the raw material for producing melamine. It is also an intermediate in medicine and dyes. Used in medicine to produce guanidine nitrate, sulfonamide drugs, etc. It can also be used to produce thiourea, guanidine, nitrocellulose stabilizers, rubber vulcanization accelerators, steel surface hardening agents, printing and dyeing chemical book fixing agents, artificial leather fillers and adhesives, etc. Electronic grade dicyandiamide has become the main development direction in the future, mainly used in the production of epoxy resin copper-clad laminates. Its excellent insulation performance is used as a curing agent in the impregnation process of copper-clad laminates and glass fabrics. Description It is in the form of white crystalline powder, soluble in water, alcohol, ethylene glycol, and dimethylformamide, almost insoluble in ether and benzene.
Not flammable. Stable when dry. Application The main uses of dicyandiamide include:
(1) as a raw material for guanidine salts and melamine diamines. Various guanidine salts can be produced by reacting dicyandiamide with acid. The phenyltrimeric cyanamide obtained from the reaction of dicyandiamide and phenylnitrile is an intermediate in coatings, laminates, and molding powders.
(2) Used as a dye fixing agent, the dicyandiamide resin produced by the reaction of dicyandiamide and formaldehyde can be used as a dye fixing agent.
(3) Dicyandiamide fertilizer and dicyandiamide compound fertilizer can control the activity of nitrifying bacteria, regulate the conversion rate of nitrogen fertilizer in soil, reduce nitrogen loss, and improve fertilizer utilization efficiency.
(4) As an intermediate in fine chemical industry. Used in medicine to produce guanidine nitrate, sulfonamide drugs, etc; It is also used to produce thiourea, nitrocellulose stabilizer, rubber vulcanization promoter, steel surface hardening agent, artificial leather filler, adhesive, etc.
The pharmaceutical intermediate 5-azacytosine can be obtained by reacting dicyandiamide with formic acid. Packing 25Kg per bag Storage： Stored in cool, dry and ventilated warehouse,and keep away from Moisture. Shelf Life : 48 months from date of production when stored in good condition. Minimum Order One package Hot Tags: dicyandiamide, China, manufacturers, suppliers, factory, API, ingredients, low price, in stock, for food, medical, cleaning, CAS 127 58 2, L Carnitine Fumarate, CAS 55268 74 1, Cactus Extract ingredients, Trimethoprim Lactate API, CAS 70 47 3
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