(R)-(+)-2-Hydroxy-4-(2-methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide

(R)-(+)-2-羟基-4-(2-甲氧苯基)-5,5-二甲基-1,3,2-二噁磷己环2-氧化物

Also known as: (+)-Anicyphos, (R)-2-Hydroxy-4-(2-methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide, (4R)-(+)-5,5-Dimethyl-2-hydroxy-4-(2-methoxyphenyl)-1,3,2-dioxaphosphinan-2-ol 2-oxide, MFCD00190172, 1,3,2-Dioxaphosphorinane,2-hydroxy-4-(2-methoxyphenyl)-5,5-dimethyl-, 2-oxide, (4R)-

(R)-(+)-2-Hydroxy-4-(2-methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide (CAS 98674-82-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H17O5P and a molecular weight of 272.23400 g/mol. It is also known as (+)-Anicyphos, (R)-2-Hydroxy-4-(2-methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide and (4R)-(+)-5,5-Dimethyl-2-hydroxy-4-(2-methoxyphenyl)-1,3,2-dioxaphosphinan-2-ol 2-oxide. Key properties include a melting point of 197-200ºC(lit.), a boiling point of 370.7ºC at 760mmHg, a density of 1.28g/cm3 and a flash point of 178ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
98674-82-9
Jingsj CID
J-41286-1
Molecular Formula
C12H17O5P
Chinese Name
(R)-(+)-2-羟基-4-(2-甲氧苯基)-5,5-二甲基-1,3,2-二噁磷己环2-氧化物
Molecular Weight
272.23400 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point197-200ºC(lit.)
Boiling Point370.7ºC at 760mmHg
Density1.28g/cm3
Flash Point178ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of (R)-(+)-2-Hydroxy-4-(2-methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide?

The CAS number of (R)-(+)-2-Hydroxy-4-(2-methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide is 98674-82-9.

What are the molecular formula and molecular weight of (R)-(+)-2-Hydroxy-4-(2-methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide?

(R)-(+)-2-Hydroxy-4-(2-methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide has molecular formula C12H17O5P and molecular weight 272.23400 g/mol.

Is (R)-(+)-2-Hydroxy-4-(2-methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide hazardous?

(R)-(+)-2-Hydroxy-4-(2-methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(R)-(+)-2-Hydroxy-4-(2-methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide (CAS 98674-82-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-41286-1 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.