Home > Organophosphorus Compounds> 2-chloro-5,5-dimethyl-1,3,2λ5-dioxaphosphinane 2-oxide

2-chloro-5,5-dimethyl-1,3,2λ5-dioxaphosphinane 2-oxide

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Origin: China

Cas No: 4090-55-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

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CAS No.: 4090-55-5 Formula: C5H10ClO3P Molecular Weight: 184.55800

Basic Info

Chemical Name	2-chloro-5,5-dimethyl-1,3,2λ<sup>5</sup>-dioxaphosphinane 2-oxide
Synonyms	neopentylene phosphorochloridate; 5,5-dimethyl-2-oxo-2-chloro-1,3,2-dioxaphosphorinane; 2-Chloro-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide; 2-chloro-5,5-dimethyl-2-oxo-1,3,2-dioxaphosphinane; 1,3,2-Dioxaphosphorinane, 2-chloro-5,5-dimethyl-, 2-oxide; 2-chloro-5,5-dimethyl-1,3,2; EINECS 223-831-2;
CAS No.	4090-55-5
Molecular Formula	C5H10ClO3P
Molecular Weight	184.55800
PSA	45.34000
LogP	2.40630

Properties

Density	1.28g/cm3
Boiling Point	152.1ºC at 760mmHg
Melting Point	97-102ºC(lit.)
Refractive Index	1.445

Safety Info

Safety Statements	S26; S36/37/39; S45
HS Code	2934999090
RIDADR	UN 1759 8/PG 3
Risk Statements	R34
Hazard Codes	C

Synthesis Route

2,2-Dimethyl-1,3-propanediol→2-chloro-5,5-dimethyl-1,3,2λ5-dioxaphosphinane 2-oxide+2-[(5,5-dimethyl-2-oxo-1,3,2λ5-dioxaphosphinan-2-yl)oxy]-5,5-dimethyl-1,3,2λ5-dioxaphosphinane 2-oxide
2,2-Dimethyl-1,3-propanediol→2-chloro-5,5-dimethyl-1,3,2λ5-dioxaphosphinane 2-oxide
2-methoxy-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-selenide→2-chloro-5,5-dimethyl-1,3,2λ5-dioxaphosphinane 2-oxide

Precursor

2-methoxy-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-selenide
(6R)-7t-hydroxyoxalylamino-3-(hydroxyoxalylcarbamoyloxy-methyl)-7c-methoxy-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
2,2-Dimethyl-1,3-propanediol
5,5-dimethyl-1,3,2-dioxaphosphinan-2-ium 2-oxide

Downstream Product

2-hydroxy-5,5-dimethyl-1,3,2λ5-dioxaphosphinane 2-oxide
5,5-dimethyl-1,3,2-dioxaphosphinan-2-ium 2-oxide
5,5-dimethyl-2-(4-nitrophenoxy)-1,3,2λ5-dioxaphosphinane 2-oxide
2-methoxy-5,5-dimethyl-1,3,2λ5-dioxaphosphinane 2-oxide

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