2-Buten-1,4-diisocyanat, also known as 1,4-butanediol diisocyanate or simply BDI, is a chemical compound with the formula C6H8N2O2. It is a colorless to pale yellow liquid that is widely used in the production of polyurethane foams, elastomers, and coatings due to its high reactivity and versatility. BDI is synthesized from 1,4-butanediol and phosgene, and it is known for its strong odor and potential health hazards, as it can cause respiratory and skin irritation. It is also a sensitizer, meaning it can cause allergic reactions in some individuals. Due to its reactivity, BDI is often used in combination with other chemicals to create a variety of products, making it an important component in the chemical industry.

4702-39-0

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Basic information
1. Product Name: 2-Buten-1,4-diisocyanat
2. Synonyms:
3. CAS NO:4702-39-0
4. Molecular Formula:
5. Molecular Weight: 138.126
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: 2-Buten-1,4-diisocyanat(CAS DataBase Reference)
10. NIST Chemistry Reference: 2-Buten-1,4-diisocyanat(4702-39-0)
11. EPA Substance Registry System: 2-Buten-1,4-diisocyanat(4702-39-0)
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: 4702-39-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4702-39-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,0 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4702-39:
(6*4)+(5*7)+(4*0)+(3*2)+(2*3)+(1*9)=80
80 % 10 = 0
So 4702-39-0 is a valid CAS Registry Number.

4702-39-0Upstream product

4702-39-0Downstream Products

4096-85-9 2-Buten-1,4-dicarbaminsaeure-diethylester

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