1972-28-7
diethyl azodiformate
CAS: 1972-28-7
Molecular Formula: C6H10N2O4
1972-28-7 - Names and Identifiers
| Name | diethyl azodiformate |
| Synonyms | DEAD diethyl azodiformate DIETHYL AZODIFORMATE Ethyl azodicarboxylate dlethylazodicarboxylate Diethoxycarbonyldiazene Diethyl Azodicarboxylate Diethyl diazodicarboxylate diethyl diazene-1,2-dicarboxylate Formic acid, azodi-, diethyl ester Diethyl (E)-1,2-diazenedicarboxylate diethyl (E)-diazene-1,2-dicarboxylate Diazenedicarboxylic acid, diethyl ester (E)-diazene-1,2-diyldimethanediyl diacetate |
| CAS | 1972-28-7 |
| EINECS | 217-821-7 |
| InChI | InChI=1/C6H10N2O4/c1-5(9)11-3-7-8-4-12-6(2)10/h3-4H2,1-2H3/b8-7+ |
| InChIKey | FAMRKDQNMBBFBR-FPLPWBNLSA-N |
1972-28-7 - Physico-chemical Properties
| Molecular Formula | C6H10N2O4 |
| Molar Mass | 174.15 |
| Density | 1.106 |
| Melting Point | 6°C |
| Boling Point | 106°C (13 mmHg) |
| Flash Point | 85°C |
| Solubility | Miscible with dichloromethane, diethyl ether and toluene. |
| Vapor Presure | 0.589mmHg at 25°C |
| BRN | 908662 |
| Storage Condition | 2-8°C |
| Stability | Stable, but may explode if heated under confinement. May be shock sensitive. Decomposes vigorously if heated above 100 C. Incompatible with strong acids, strong bases, strong oxidizing agents |
| Sensitive | Air Sensitive |
| Refractive Index | n20/D 1.47 |
| Physical and Chemical Properties | Heat-sensitive liquid. Boiling point 106 C (1.73kPa). |
1972-28-7 - Risk and Safety
| Risk Codes | R5 - Heating may cause an explosion R11 - Highly Flammable R20 - Harmful by inhalation R36/37/38 - Irritating to eyes, respiratory system and skin. R48/20 - R63 - Possible risk of harm to the unborn child R65 - Harmful: May cause lung damage if swallowed R67 - Vapors may cause drowsiness and dizziness R48/20/22 - R40 - Limited evidence of a carcinogenic effect R20/22 - Harmful by inhalation and if swallowed. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R10 - Flammable |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. S47 - Keep at temperature not exceeding... S36 - Wear suitable protective clothing. S35 - This material and its container must be disposed of in a safe way. |
| UN IDs | UN 3233 4.1 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 9 |
| HS Code | 29270000 |
| Hazard Note | Toxic/Irritant/Flammable |
| Hazard Class | 6.1 |
| Packing Group | III |
1972-28-7 - Reference Information
Open Data Unverified Data
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| Introduction | diethyl azodicarboxylate (DEAD) is a kind of compound with both azo and carboxyl functional groups, which can be used as photosensitizer, synthesis of Polymerization Catalysts, fungicides and other products, and diethyl azodicarboxylate is an important class of liquid foaming agent, PVC and its copolymers, PE, polyester, epoxy resin, PS, rubber foaming agent. It has good solubility with plastic, the decomposition products are colorless, no smell, no pollution, and the application prospect is broad. |
| synthesis method | hydrazine and ethyl chloroformate alkylation reaction to produce hydrazine ethyl formate, then chlorine (through solution bubbling), hypochlorous acid, concentrated nitric acid or red fuming nitric acid treatment of the resulting hydrazine ethyl formate, you can obtain pure DEAD. The reaction should be carried out in an ice bath, and the reagent should be added dropwise, and the temperature should not exceed 20 °c. |
| Use | diethyl azodicarboxylate is sensitive to light, heat and vibration, toxic, and can be explosive when heated. Is an aliphatic azo compound, used as a reagent for organic synthesis. intermediates in organic synthesis. |
| preparation | diethyl azodicarboxylate (DEAD) can be prepared from 1, 2-bis (ethoxycarbonyl) hydrazine is obtained by oxidation with nitric acid. |
| production method | 1, 2-bis (ethoxycarbonyl) hydrazine is obtained by nitric acid oxidation. |
| category | explosive articles |
| explosive hazard characteristics | explosion susceptibility above 100 ℃ |
| flammability hazard characteristics | flammable, combustion decomposition of toxic nitrogen oxide gases |
| storage and transportation characteristics | warehouse low temperature, ventilation, dry; Fire prevention; High temperature protection |
| fire extinguishing agent | water, carbon dioxide, dry powder, foam |
Last Update：2024-04-09 21:40:26
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