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4090-51-1

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Basic Information
CAS No.: 4090-51-1
Name: 2,2'-oxybis[5,5-dimethyl-1,3,2-dioxaphosphorinane] 2,2'-disulphide
Molecular Structure:
Molecular Structure of 4090-51-1 (2,2'-oxybis[5,5-dimethyl-1,3,2-dioxaphosphorinane] 2,2'-disulphide)
Formula: C10H20 O5 P2 S2
Molecular Weight: 346.345
Synonyms: 1,3-Propanediol,2,2-dimethyl-, cyclic O,O-ester with thiopyrophosphoric acid ([(HO)2PS]2O)(7CI);Thiopyrophosphoric acid ([(HO)2PS]2O), cyclicO,O:O',O'-bis(2,2-dimethyltrimethylene) ester (8CI);1,3-Propanediol,2,2-dimethyl-, cyclic O,O:O',O'-diester with thiopyrophosphoric acid([(HO)2PS]2O) (8CI);2,2'-Oxybis[5,5-dimethyl-1,3,2-dioxaphosphorinane2,2'-disulfide];Sandoflam 5060;1,3,2-Dioxaphosphorinane,2,2'-oxybis[5,5-dimethyl-, 2,2'-disulfide;
EINECS: 223-829-1
Density: 1.35g/cm3
Melting Point: 233 °C
Boiling Point: 342.6°Cat760mmHg
Flash Point: 161°C
Solubility: 1.4mg/L at 20℃
PSA: 129.95000
LogP: 4.89920
Related products
Synthetic route
873-98-3

2-chloro-5,5-dimethyl-1,3,2-dioxaphosphorinane-2-thione

4090-51-1

5,5,5',5'-tetramethyl-2,2'-oxy-bis-[1,3,2]dioxaphosphinane 2,2'-disulfide

Conditions
ConditionsYield
With pyridine; water at 100℃; for 5h; Temperature; Reagent/catalyst;90.2%
15995-44-5

Bis<5,5-dimethyl-2-oxo-P(V)-1,3,2-dioxaphosphorinan-2-yl> disulphide

A

15762-04-6

5,5-dimethyl-2-oxo-1,3,2-dioxaphosphorinan-2-yl 5,5-dimethyl-2-thioxo-1,3,2-dioxaphosphorinan-2-yl-oxide

B

4090-51-1

5,5,5',5'-tetramethyl-2,2'-oxy-bis-[1,3,2]dioxaphosphinane 2,2'-disulfide

Conditions
ConditionsYield
With triphenylphosphine In dichloromethane 1.) -70 deg C -> room temperature, 2.) room temperature, 30 min; Title compound not separated from byproducts;
108-99-6

3-Methylpyridine

126-30-7

2,2-Dimethyl-1,3-propanediol

A

4090-51-1

5,5,5',5'-tetramethyl-2,2'-oxy-bis-[1,3,2]dioxaphosphinane 2,2'-disulfide

B

14401-92-4

3-methylpyridinium chloride

Conditions
ConditionsYield
With trichlorothiophosphine; water at 50 - 60℃; Product distribution / selectivity;
...Expand
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