Cyanamide
Cyanamide
CAS: 420-04-2
Molecular Formula: CH2N2
Cyanamide - Names and Identifiers
| Name | Cyanamide |
| Synonyms | tsaks H2NCN N-Cyanoamine hydrogencyanamid Cyanamide solution Hydrogen cyanamide Cyanamide calcium derivative |
| CAS | 420-04-2 |
| EINECS | 206-992-3 |
| InChI | InChI=1/CH2N2/c2-1-3/h2H2 |
| InChIKey | XZMCDFZZKTWFGF-UHFFFAOYSA-N |
Cyanamide - Physico-chemical Properties
| Molecular Formula | CH2N2 |
| Molar Mass | 42.04 |
| Density | 1,282 g/cm3 |
| Melting Point | 45-46 °C (lit.) |
| Boling Point | 83 °C/0.5 mmHg (lit.) |
| Flash Point | >230°F |
| Water Solubility | 775 g/L |
| Solubility | ethanol: soluble10%, clear to hazy, colorless to faintly yellow |
| Appearance | Crystalline solid |
| Specific Gravity | 1.282 |
| Exposure Limit | ACGIH: TWA 2 mg/m3NIOSH: TWA 2 mg/m3 |
| Merck | 14,2684 |
| BRN | 1732569 |
| pKa | 1.1(at 29℃) |
| Storage Condition | 2-8°C |
| Stability | Unstable -heat sensitive. Incompatible with strong oxidizing agents, strong reducing agents, bases, acids, iron and its salts, steel, brass, lead, moisture. Reacts with acids to produce very toxic gas |
| Sensitive | Hygroscopic |
| Refractive Index | 1.405 |
| Physical and Chemical Properties | Colorless crystals. Density 1.0724, melting point 42 ℃, boiling point 140 ℃ (5千帕,19 mmHg), refractive index 1.4418(48 ℃). Soluble in water, ethanol and ether. Easy to polymerize. |
| Use | For the production of cyanuric amide, etc |
Cyanamide - Risk and Safety
| Hazard Symbols | T - Toxic |
| Risk Codes | R21 - Harmful in contact with skin R25 - Toxic if swallowed R36/38 - Irritating to eyes and skin. R43 - May cause sensitization by skin contact |
| Safety Description | S3 - Keep in a cool place. S22 - Do not breathe dust. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 2811 6.1/PG 3 |
| WGK Germany | 2 |
| RTECS | GS5950000 |
| TSCA | Yes |
| HS Code | 29269090 |
| Hazard Class | 8 |
| Packing Group | III |
| Toxicity | LD50 i.p. in male mice: 200-300 mg/kg (Doull) |
Cyanamide - Nature
Open Data Verified Data
colorless crystals. Relative density 1. 282(20 ℃), melting point 42 ℃, boiling point 140 ℃(2. 53kPa). Soluble in water, ethanol, ether, chloroform and benzene, insoluble in cyclohexane. Can be volatilized with water vapor. Easy to polymerize.
Last Update：2024-01-02 23:10:35
Cyanamide - Preparation Method
Open Data Verified Data
- lime-nitrogen method
- urea method
Last Update：2022-01-01 10:37:21
Cyanamide - Use
Open Data Verified Data
In the pharmaceutical industry as a raw material for the production of cytarabine hydrochloride; In the dye industry for the production of intermediates 3-amino -5-carboxyl 1,2,4 triazole. In addition, it is also used as raw materials for organic synthesis and plastics to produce cyanuramide, dicyandiamide, methyl cyanocarbamate, etc.
Last Update：2022-01-01 10:37:21
Cyanamide - Safety
Open Data Verified Data
- This product is toxic. Oral LD50 of mice was 125 rng/kg.
- filled with 25kg plastic drum or closed storage tank.
Last Update：2022-01-01 10:37:22
Cyanamide - Introduction
Open Data Unverified Data
Nature:
Cyanamide chemical formula for C3H6N6, is a colorless crystalline solid. It has a melting point of> 350 degrees Celsius and is soluble in water and some organic solvents. Cyanamide has high thermal and chemical stability and is non-flammable.
Use:
Cyanamide has many uses, the most common use is as a raw material for synthetic materials. It is widely used in the manufacture of chemical products such as urea, resins, adhesives and coatings. In addition, Cyanamide can also be used as a disinfectant, antiseptic and fire suppressant.
Preparation Method:
There are two main methods for preparing Cyanamide: one is synthesized by ammonia and Cyanamide; The other is obtained by the reaction of trichlorocyanonitrile and ammonia. The method of preparing Cyanamide is complicated and needs to be controlled under appropriate conditions.
Safety Information:
Cyanamide is a toxic substance and should be handled with care. Exposure to Cyanamide may cause irritation and injury to the skin, eyes and respiratory system. When using Cyanamide, care should be taken to follow safe practices and wear appropriate personal protective equipment, such as gloves, glasses and protective clothing. In the event of any accidental spill or exposure to Cyanamide, emergency measures should be taken as soon as possible and the relevant poison control experts should be consulted.
Last Update：2024-04-11 10:40:29
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