4,4,5,5-Tetramethyl-[1,3]dioxane is an organic compound with the molecular formula C6H12O2. It is a cyclic ether consisting of a dioxane ring with four methyl groups attached to the carbon atoms at positions 4 and 5. 4,4,5,5-tetramethyl-[1,3]dioxane is colorless and has a low melting point of -40°C and a boiling point of 97-98°C. It is insoluble in water but soluble in organic solvents such as ethanol and ether. 4,4,5,5-Tetramethyl-[1,3]dioxane is used as a solvent, a chemical intermediate in the synthesis of various organic compounds, and as a stabilizer in the production of polymers. Due to its low toxicity, it is considered relatively safe for use in various applications. However, it is essential to handle it with care, as inhalation or ingestion may cause health issues.

5663-36-5

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Basic information
1. Product Name: 4,4,5,5-tetramethyl-[1,3]dioxane
2. Synonyms: 4,4,5,5-tetramethyl-[1,3]dioxane
3. CAS NO:5663-36-5
4. Molecular Formula:
5. Molecular Weight: 144.214
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: 4,4,5,5-tetramethyl-[1,3]dioxane(CAS DataBase Reference)
10. NIST Chemistry Reference: 4,4,5,5-tetramethyl-[1,3]dioxane(5663-36-5)
11. EPA Substance Registry System: 4,4,5,5-tetramethyl-[1,3]dioxane(5663-36-5)
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: 5663-36-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5663-36-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,6 and 3 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 5663-36:
(6*5)+(5*6)+(4*6)+(3*3)+(2*3)+(1*6)=105
105 % 10 = 5
So 5663-36-5 is a valid CAS Registry Number.

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55505-23-2 2,2,3-trimethylbutan-1-ol

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