1,2-Dimethylhydrazine

Base Information

• Chemical Name: 1,2-Dimethylhydrazine
• CAS No.: 540-73-8
• Molecular Formula: C2H8 N2
• Molecular Weight: 60.0989
• ICSC Number: 1662
• UN Number: 2382
• UNII: IX068S9745
• DSSTox Substance ID: DTXSID0041228
• Nikkaji Number: J3.643I
• Wikipedia: 1,2-Dimethylhydrazine
• Wikidata: Q161484
• NCI Thesaurus Code: C29787
• Metabolomics Workbench ID: 66623
• ChEMBL ID: CHEMBL162921
• Mol file: 540-73-8.mol

Synonyms:1,2 Dimethyl hydrazine;1,2 Dimethylhydrazine;1,2-Dimethyl-hydrazine;1,2-Dimethylhydrazine;N,N' Dimethylhydrazine;N,N'-Dimethylhydrazine;SDMH;sym Dimethylhydrazine;sym-Dimethylhydrazine

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Chemical Property of 1,2-Dimethylhydrazine

Chemical Property:

• Melting Point: -8.9°C
• Refractive Index: 1.4209
• Boiling Point: 81.5°Cat760mmHg
• PKA: 9.29±0.70(Predicted)
• Flash Point: °C
• PSA: 24.06000
• Density: 0.759g/cm³
• LogP: 0.12200
• XLogP3: -0.4
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 1
• Exact Mass: 60.068748264
• Heavy Atom Count: 4
• Complexity: 6
• Transport DOT Label: Poison Inhalation Hazard Flammable Liquid

Purity/Quality:

Safty Information:

• Pictogram(s): T,N
• Hazard Codes: T,N
• Statements: 45-23/24/25-51/53
• Safety Statements: 53-45-61

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Nitrogen Compounds -> Hydrazines
• Canonical SMILES: CNNC
• Inhalation Risk: A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20 °C.
• Effects of Short Term Exposure: The substance is irritating to the eyes and respiratory tract. Exposure could cause death.
• Effects of Long Term Exposure: The substance may have effects on the kidneys and liver. This may result in tissue lesions.
• Uses: 1,2-Dimethylhydrazine (SDMH) unlike its analog 1,1- dimethylhydrazine (UDMH) is used only in small quantities as a research chemical. There are no known commercial uses, although it was evaluated as a high-energy rocket fuel. The material is a fuming, strongly alkaline, moderately volatile liquid.

Technology Process of 1,2-Dimethylhydrazine

There total 4 articles about 1,2-Dimethylhydrazine which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

1,2-dimethyl-3,5-diphenyl-cyclo-1,2,4-triaza-3,5-diborane (15238-76-3) → 1,2-Dimethylhydrazine (540-73-8) + phenylboronic acid (98-80-6)

Guidance literature:

With water;

Reference yield:

2,3,4,5-tetramethyl-1,3,4,2,5-selenadiazadiborolidine (41453-13-8) → 1,2-Dimethylhydrazine (540-73-8) + dihydroxy-methyl-borane (13061-96-6) + hydrogen selenide (13940-22-2)

Guidance literature:

hydrolysis;

Reference yield:

H3B*CH3NHNHCH3*BH3 → 1,2-Dimethylhydrazine (540-73-8) + diborane (19287-45-7)

Guidance literature:

In neat (no solvent); on heating;;

DOI:10.1021/ja01099a519

upstream raw materials:

2,3,4,5-tetramethyl-1,3,4,2,5-selenadiazadiborolidine

3,4-dimethyl-2,5-di(n-propyl)-1,3,4,2,5-selenadiazadiborolidine

1,2-dimethyl-3,5-diphenyl-cyclo-1,2,4-triaza-3,5-diborane

Downstream raw materials:

4-Benzyl-1.2-dimethylthiosemicarbazid

1.2-Dimethyl-4-cyclohexyl-semicarbazid

C₁₆H₃₀N₄O₂

1,2,5-trimethyl-2,3-dihydro-1H-pyrazol-3-one