Phosphorodichloride-phenylester-diisocyanate, also known as diphenylmethane diisocyanate (MDI), is an organic compound widely used in the production of polyurethane foams, elastomers, and coatings. It is a colorless to pale yellow, highly reactive liquid with a strong, pungent odor. MDI is formed by the reaction of aniline with phosgene, followed by further reaction with isocyanates. Due to its high reactivity, it is essential to handle MDI with proper safety measures, as it can cause severe health hazards and environmental concerns. The compound is a key component in various industries, including construction, automotive, and furniture manufacturing, due to its ability to create flexible and rigid foams with excellent insulation properties and durability.

3522-84-7

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Basic information
1. Product Name: Phosphorigsaeure-phenylester-diisocyanat
2. Synonyms:
3. CAS NO:3522-84-7
4. Molecular Formula:
5. Molecular Weight: 208.113
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Phosphorigsaeure-phenylester-diisocyanat(CAS DataBase Reference)
10. NIST Chemistry Reference: Phosphorigsaeure-phenylester-diisocyanat(3522-84-7)
11. EPA Substance Registry System: Phosphorigsaeure-phenylester-diisocyanat(3522-84-7)
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: 3522-84-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3522-84-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,2 and 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 3522-84:
(6*3)+(5*5)+(4*2)+(3*2)+(2*8)+(1*4)=77
77 % 10 = 7
So 3522-84-7 is a valid CAS Registry Number.

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