1934-75-4
Sodium dicyanamide
CAS: 1934-75-4
Molecular Formula: C2N3Na
1934-75-4 - Names and Identifiers
| Name | Sodium dicyanamide |
| Synonyms | NADCA Sodium dicyamide SODIUM DICYANAMIDE Sodium dicyanamide Dicyanamide Sodium SODIUM DICYANOAMIDE Sodium dicyanoamide (dicyanoamino)sodium DICYANAMIDE,SODIUM SALT SodiuM dicyanaMide (DCD sodiuM) sodium [(cyanoimino)methylidene]azanide |
| CAS | 1934-75-4 |
| EINECS | 217-703-5 |
| InChI | InChI=1/C2N3.Na/c3-1-5-2-4;/q-1;+1/rC2N3Na/c3-1-5(6)2-4 |
1934-75-4 - Physico-chemical Properties
| Molecular Formula | C2N3Na |
| Molar Mass | 89.03 |
| Melting Point | 300 °C |
| Water Solubility | 260 g/L (30 ºC) |
| Solubility | Water |
| Appearance | White to off-white or light pink powder |
| Color | White |
| BRN | 3913818 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Hygroscopic |
| MDL | MFCD00003535 |
| Use | Reactant for preparation of: 1. Nickel diacetylpyridine dioximate pentanuclear, octanuclear and decanuclear cluster complexes1 2. Decanuclear manganese(II/III) oxoazide diolate clusters as supertetrahedral building-blocks to design extended magnetic n |
1934-75-4 - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | UN 3077 |
| WGK Germany | 1 |
| FLUKA BRAND F CODES | 3 |
| TSCA | Yes |
| HS Code | 29269090 |
| Hazard Note | Irritant |
1934-75-4 - Introduction
Solubility: 260g/l water (30°C),40g/l methanol (20°C) insoluble in acetone, ethanol, heptane, chloroform, dioxane and ethyl acetate.
Last Update：2022-10-16 17:14:43
1934-75-4 - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | dicyandiamide sodium is an important chemical raw material, which is widely used in medicine, dye and pesticide industries. its most important application is the synthesis of antibacterial agent chlorhexidine hydrochloride and triazine ring, an intermediate of sulfuron herbicides. |
| Preparation | Step 1. Ammonia and cyanogen halide are mixed in a pre-reactor at 0-20 ℃ to react to obtain a mixed material, and the pH value of the mixed material is 6-9; Step 2. Provide a reactor, the reactor is provided with a reactor, a condenser tube reactor and a liquid alkali storage tank that are connected with each other, the mixed material is transported to the reactor of the reactor, and the temperature of the mixed material in the reactor is 0-50°C; Step 3. Pump the mixed material and sodium hydroxide solution into the condenser tube In the reactor, adjust the pH value of the mixed material to 7-10, and at the same time pass the cyanogen halide into the condenser reactor for reaction, and the reaction liquid passes through the condenser tube reactor and then falls back to the reactor, when the pH value of the reaction solution is stable to 7.5-10, the circulating material is carried out in the next step: decolorization, crystallization and washing; Step 4, repeat the cyclic reaction step of Step 3 to prepare sodium dicyandiamide. |
Last Update：2024-04-10 22:29:15
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