2,3,5,6,7,8-Hexahydrophthalazine-1,4-dione

Base Information

• Chemical Name: 2,3,5,6,7,8-Hexahydrophthalazine-1,4-dione
• CAS No.: 67279-23-6
• Molecular Formula: C₈H₁₀N₂O₂
• Molecular Weight: 166.18

Synonyms:1(2H)-Phthalazinone,5,6,7,8-tetrahydro-4-hydroxy- (7CI);1,4-Dihydroxy-5,6,7,8-tetrahydrophthalazine; NSC 229983

Chemical Property of 2,3,5,6,7,8-Hexahydrophthalazine-1,4-dione

Chemical Property:

• Vapor Pressure: 3.53E-09mmHg at 25°C
• Melting Point: 295-298 °C
• Boiling Point: 462.6°Cat760mmHg
• PKA: 10.00±0.20(Predicted)
• Flash Point: 233.6°C
• PSA: 65.98000
• Density: 1.31g/cm³
• LogP: 0.35430
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

97% ^*data from raw suppliers

2,3,5,6,7,8-Hexahydrophthalazine-1,4-dione 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,3,5,6,7,8-Hexahydrophthalazine-1,4-dione

There total 4 articles about 2,3,5,6,7,8-Hexahydrophthalazine-1,4-dione 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: 96.0%

3,4,5,6-Tetrahydrophthalic anhydride (2426-02-0) → 2,3,5,6,7,8-hexahydrophthalazine-1,4-dione (67279-23-6)

Guidance literature:

With acetic acid; hydrazine; In water; for 3h; Reflux;

Reference yield:

3,4,5,6-Tetrahydrophthalic anhydride (2426-02-0) → 3,6-dihydroxy-4,5-dimethylpyridazine + 4.5-Tetramethylen-3.6-pyridazinol (67279-23-6)

Guidance literature:

With hydrogenchloride; hydrazine hydrate; In water;

Reference yield:

→ 4.5-Tetramethylen-3.6-pyridazinol (67279-23-6)

Guidance literature:

3.4.5.6-Tetrahydro-phthalanhydrid, Hydrazinsulfat, Δ;

upstream raw materials:

3,4,5,6-Tetrahydrophthalic anhydride

Downstream raw materials:

1,4-dichloro-5,6,7,8-tetrahydrophthalazine

1-chloro-4-(4-fluoro-benzyl)-5,6,7,8-tetrahydro-phthalazine

4-{4-[4-(4-fluoro-benzyl)-5,6 7,8-tetrahydro-phthalzin-1-yl]-piperazin-1-yl}-nicotinonitrile

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