Dibutyl butylphosphonite, also known as tributyl phosphite, is an organophosphorus compound with the chemical formula C12H27O3P. It is a colorless, oily liquid that is soluble in organic solvents and has a slight, characteristic odor. This chemical is primarily used as a stabilizer for halogenated hydrocarbons, such as chlorofluorocarbons (CFCs), to prevent their decomposition and the formation of acidic byproducts. It also serves as a plasticizer, a flame retardant, and a reagent in the synthesis of various organophosphorus compounds. Due to its potential health and environmental risks, including toxicity and the formation of harmful degradation products, its use has been restricted or phased out in many applications, particularly in the context of ozone-depleting substances.

3058-20-6

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Basic information
1. Product Name: dibutyl butylphosphonite
2. Synonyms:
3. CAS NO:3058-20-6
4. Molecular Formula:
5. Molecular Weight: 234.319
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: dibutyl butylphosphonite(CAS DataBase Reference)
10. NIST Chemistry Reference: dibutyl butylphosphonite(3058-20-6)
11. EPA Substance Registry System: dibutyl butylphosphonite(3058-20-6)
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: 3058-20-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3058-20-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,0,5 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 3058-20:
(6*3)+(5*0)+(4*5)+(3*8)+(2*2)+(1*0)=66
66 % 10 = 6
So 3058-20-6 is a valid CAS Registry Number.

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