4-bromo-6-tert-butyl-3-hydroxy-6-methylpyran-2,5-dione

Modify Date: 2025-10-07 13:02:01

4-bromo-6-tert-butyl-3-hydroxy-6-methylpyran-2,5-dione structure	Common Name	4-bromo-6-tert-butyl-3-hydroxy-6-methylpyran-2,5-dione
	CAS Number	26687-80-9	Molecular Weight	277.11200
	Density	1.576g/cm3	Boiling Point	328.7ºC at 760mmHg
	Molecular Formula	C₁₀H₁₃BrO₄	Melting Point	N/A
	MSDS	N/A	Flash Point	152.6ºC

Name	4-bromo-6-tert-butyl-3-hydroxy-6-methylpyran-2,5-dione
Synonym	More Synonyms

Density	1.576g/cm3
Boiling Point	328.7ºC at 760mmHg
Molecular Formula	C₁₀H₁₃BrO₄
Molecular Weight	277.11200
Flash Point	152.6ºC
Exact Mass	276.00000
PSA	63.60000
LogP	2.08160
Vapour Pressure	1.39E-05mmHg at 25°C
Index of Refraction	1.558

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UP8500000

CHEMICAL NAME :: 2H-Pyran-2,5(6H)-dione, 4-bromo-6-tert-butyl-3-hydroxy-6-methyl-

CAS REGISTRY NUMBER :: 26687-80-9

LAST UPDATED :: 198612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C10-H13-Br-O4

MOLECULAR WEIGHT :: 277.14

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PHMGBN Pharmacology: International Journal of Experimental and Clinical Pharmacology. (S. Karger AG, Postfach CH-4009 Basel, Switzerland) V.1- 1968- Volume(issue)/page/year: 4,152,1970

4-Bromo-2-methyl-2-tert-butylketolactone

Substance 86

2-Methyl-2-tert-butyl-ketolactone

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