Hydrazine, 1,2-dimethyl-
1，2-Dimethyl hydrazine
CAS: 540-73-8
Molecular Formula: C2H8N2
Hydrazine, 1,2-dimethyl- - Names and Identifiers
| Name | 1，2-Dimethyl hydrazine |
| Synonyms | SDMH Hydrazine, 1,2-dimethyl- Dimethyl hydrazine (symmetrical) Hydrazine, 1,2-dimethyl- (7CI,8CI,9CI) |
| CAS | 540-73-8 |
Hydrazine, 1,2-dimethyl- - Physico-chemical Properties
| Molecular Formula | C2H8N2 |
| Molar Mass | 60.1 |
| Density | 0.8274 |
| Melting Point | -8.9°C |
| Boling Point | 87.05°C |
| pKa | 9.29±0.70(Predicted) |
| Stability | Stable. Incompatible with oxidizing agents, water, moisture. |
| Refractive Index | 1.4209 |
Hydrazine, 1,2-dimethyl- - Risk and Safety
| Risk Codes | R45 - May cause cancer R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | 2382 |
| Hazard Class | 6.1(a) |
| Packing Group | I |
Hydrazine, 1,2-dimethyl- - References
| (IARC) carcinogen classification | 2A (Vol. 4, Sup 7, 71) 1999 |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| category | flammable liquid |
| toxicity grade | highly toxic |
| Acute toxicity | oral-rat LD50: 100 mg/kg; Oral-mouse LD50:36 mg/kg |
| explosive hazard characteristics | explosive when mixed with air |
| flammability hazard characteristics | flammable; Thermally decomposed toxic vapor |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from acid and oxidant |
| fire extinguishing agent | large amount of water |
| Occupational Standard | TWA 0.2 mg/m3; Tel 0.5 mg/m3 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:54:55
