Product

2 H-1,3-BENZOXAZINE-2,4(3 H)-DIONE

CAS No.：2037-95-8

Other grades of this product :

2 H-1,3-BENZOXAZINE-2,4(3 H)-DIONE Basic information

Product Name:	2 H-1,3-BENZOXAZINE-2,4(3 H)-DIONE
Synonyms:	beaprine;carsalam;oxophenhydroxazine;ruhmal;TIMTEC-BB SBB003929;1,3-BENZOXAZINE-2,4-DIONE;2H-1,3-Benzoxazine-2,4(3H)-dione 98%;CAS:2037-95-8
CAS:	2037-95-8
MF:	C8H5NO3
MW:	163.13
EINECS:	606-541-4
Product Categories:	Benzoxazines;Building Blocks;Heterocyclic Building Blocks
Mol File:	2037-95-8.mol

2 H-1,3-BENZOXAZINE-2,4(3 H)-DIONE Chemical Properties

Melting point	228-232 °C(lit.)
density	1.402±0.06 g/cm3(Predicted)
vapor pressure	0.73-1.27Pa at 89.94-107.94℃
storage temp.	Sealed in dry,Room Temperature
form	Solid
pka	9.16±0.20(Predicted)
Merck	13,1879
LogP	0.78-0.88 at 20℃

Safety Information

Hazard Codes	Xn
Risk Statements	22
Safety Statements	36
WGK Germany	3
RTECS	DM3110000
HS Code	2934999090

MSDS Information

2 H-1,3-BENZOXAZINE-2,4(3 H)-DIONE Usage And Synthesis

Chemical Properties	Off-white to light brown crystalline powder
Uses	analgesic
General Description	Kinetic studies of the alkaline hydrolysis of 2H-1,3-benzoxazine-2,4(3H)-dione (carsalam) were conducted and reaction was found to be of fractional order with respect to [OH^-].

2 H-1,3-BENZOXAZINE-2,4(3 H)-DIONE Preparation Products And Raw materials

Raw materials

2H-1,3-Benzoxazin-2-one, 4-[(4-methylphenyl)amino]--->Ethyl chloroformate-->carbon monoxide-->2-Iodophenol-->1,1'-Carbonyldiimidazole-->Diethyl carbonate-->Salicylamide-->PHOSGENE-->Potassium cyanate-->Oxalyl chloride

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