Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,6,7-Trioxa-1-phosphabicyclo[2.2.2]octane,4-methyl-
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Purity: 98.0%
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1449-91-8

1449-91-8 structure

Name: 2,6,7-Trioxa-1-phosphabicyclo[2.2.2]octane,4-methyl-
Chemical Name: 4-methyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane
CAS Number: 1449-91-8
Molecular Formula: C₅H₉O₃P
Molecular Weight: 148.09700
Create Date: 2018-06-19 17:26:44
Modify Date: 2025-09-27 10:05:08

Name	4-methyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane
Synonyms	Trimethylolethane cyclic phosphite 1-methyl-4-phospha-3,5,8-trioxabicyclo<2,2,2>octane

Boiling Point	122.7ºC at 760 mmHg
Molecular Formula	C₅H₉O₃P
Molecular Weight	148.09700
Flash Point	25.1ºC
Exact Mass	148.02900
PSA	41.28000
LogP	1.29660
Vapour Pressure	16.6mmHg at 25°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TY7200000

CAS REGISTRY NUMBER :: 1449-91-8

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C5-H9-O3-P

MOLECULAR WEIGHT :: 148.11

WISWESSER LINE NOTATION :: T66 A B AO EOPOTJ C1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 37500 ug/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands

REFERENCE :: EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 13,207,1978

HS Code	2902199090

77-85-0

~63%

1449-91-8

Literature: Cole, Jenine R.; Dellinger, Megan E.; Johnson, T. Jason; Reinecke, Bryn A.; Pike, Robert D.; Pennington, William T.; Krawiec, Mariusz; Rheingold, Arnold L. Journal of Chemical Crystallography, 2003 , vol. 33, # 5-6 p. 341 - 347

77-85-0

122-52-1

1449-91-8

Literature: Aroney, Manuel J.; Davies, Murray S.; Hambley, Trevor W.; Pierens, Raymond K. Journal of the Chemical Society, Dalton Transactions: Inorganic Chemistry (1972-1999), 1994 , # 1 p. 91 - 96

Precursor 2
77-85-0 122-52-1
DownStream 3
1449-89-4 78-40-0 3196-56-3

HS Code	2902199090
Summary	2902199090 other cyclanes, cyclenes and cyclotherpenes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

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