Urea, N,N-(methylenedi-4,1-phenylene)bisN-butyl-, also known as 4,4'-methylenebis(N-butyl-N-phenylurea) or MBMPU, is a chemical compound with the molecular formula C21H30N2O2. It is a white crystalline solid that is soluble in organic solvents and has a melting point of approximately 70°C. MBMPU is primarily used as a plasticizer in the production of flexible polyurethane foams, providing improved flexibility, resilience, and durability to the final product. It is also known for its low volatility and resistance to hydrolysis, making it a stable and efficient plasticizer in various applications.

77703-56-1

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Basic information
1. Product Name: Urea, N,N-(methylenedi-4,1-phenylene)bisN-butyl-
2. Synonyms: Urea, N,N-(methylenedi-4,1-phenylene)bisN-butyl-
3. CAS NO:77703-56-1
4. Molecular Formula: C23H32N4O2
5. Molecular Weight: 396.52578
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 77703-56-1.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 527.0±50.0 °C(Predicted)
3. Flash Point: N/A
4. Appearance: /
5. Density: 1.127±0.06 g/cm3(Predicted)
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. PKA: 13.90±0.46(Predicted)
10. CAS DataBase Reference: Urea, N,N-(methylenedi-4,1-phenylene)bisN-butyl-(CAS DataBase Reference)
11. NIST Chemistry Reference: Urea, N,N-(methylenedi-4,1-phenylene)bisN-butyl-(77703-56-1)
12. EPA Substance Registry System: Urea, N,N-(methylenedi-4,1-phenylene)bisN-butyl-(77703-56-1)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 77703-56-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 77703-56-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,7,0 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 77703-56:
(7*7)+(6*7)+(5*7)+(4*0)+(3*3)+(2*5)+(1*6)=151
151 % 10 = 1
So 77703-56-1 is a valid CAS Registry Number.

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