Dioctyl-4,5-epoxyhexahydro-1,2-phthalate, also known as DOP, is a chemical compound primarily used as a plasticizer in the production of flexible polyvinyl chloride (PVC) products. It is an organic compound with the molecular formula C24H42O5 and is derived from the reaction of phthalic anhydride with 2-ethylhexanol. DOP is known for its ability to increase the flexibility, workability, and durability of PVC materials, making it a popular choice in various applications such as flooring, wall coverings, and automotive parts. However, concerns have been raised about its potential health and environmental impacts, as it can leach out of PVC products and may have endocrine-disrupting effects. As a result, there is ongoing research and development into alternative, safer plasticizers.

7203-70-5

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Basic information
1. Product Name: Dioctyl-4,5-epoxyhexahydro-1,2-phthalate
2. Synonyms: Dioctyl-4,5-epoxyhexahydro-1,2-phthalate
3. CAS NO:7203-70-5
4. Molecular Formula: C24H42O5
5. Molecular Weight: 410.59
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: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Dioctyl-4,5-epoxyhexahydro-1,2-phthalate(CAS DataBase Reference)
10. NIST Chemistry Reference: Dioctyl-4,5-epoxyhexahydro-1,2-phthalate(7203-70-5)
11. EPA Substance Registry System: Dioctyl-4,5-epoxyhexahydro-1,2-phthalate(7203-70-5)
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: 7203-70-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7203-70-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,0 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 7203-70:
(6*7)+(5*2)+(4*0)+(3*3)+(2*7)+(1*0)=75
75 % 10 = 5
So 7203-70-5 is a valid CAS Registry Number.

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