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Name	7-(2-Hydroxyethyl)theophylline	EINECS	208-269-8
CAS No.	519-37-9	Density	1.51 g/cm³
PSA	82.05000	LogP	-1.57400
Solubility	2.991g/L(temperature not stated)	Melting Point	163 °C
Formula	C₉H₁₂N₄O₃	Boiling Point	495.5 °C at 760 mmHg
Molecular Weight	224.219	Flash Point	253.5 °C
Transport Information	N/A	Appearance	N/A
Safety	36-36/37-26	Risk Codes	22-36/37/38
Molecular Structure		Hazard Symbols	Xi,Xn
Synonyms	Theophylline,7-(2-hydroxyethyl)- (7CI,8CI);7-(2-Hydroxyethyl)-1,3-dimethylxanthine;7-(2-Hydroxyethyl)theophylline;7-(Hydroxyethyl)theophylline;7-(b-Hydroxyethyl)theophylline;7-Theophyllineethanol;Aethophyllinum;Ascorphylline;Bio-phylline;Cordalin;Corophyllin-N;Dilaphyllin;Etofylline;Etophyllin;Etophylline;Frekaphyllin;Hydroxyethyltheophylline;KT 200G;NSC 113373;Oxphylline;Oxyethophylline;Oxyethyltheophylline;Oxyphyllin;Oxyphylline;Oxytheonyl;Phyllocormin N;Soluphylline;	Article Data	15

7-(2-Hydroxyethyl)theophylline Chemical Properties

Chemistry informtion about Hydroxyethyltheophylline (CAS NO.519-37-9) is:
IUPAC Name: 7-(2-hydroxyethyl)-1,3-dimethylpurine-2,6-dione
Synonyms: Etofylline ; Beta-Hydroxyethyltheophylline ; Biophylline ; 7-(A-Hydroxyethyl)Theophylline ; 7-(Beta-Hydroxyethyl)Theophylline ; 7-(2-Hydroxyethyl)Theophylline ; 1,3-Dimethyl-7-(Beta-Hydroxyethyl)Xanthine ; 1,3-Dimethyl-7-[2-Hydroxyethyl]-Xanthine
MF: C₉H₁₂N₄O₃
MW: 224.22
EINECS: 208-269-8
Melting Point: 163°C
Density: 1.51 g/cm³
Flash Point: 253.5 °C Boiling Point: 495.5 °C at 760 mmHg
Vapour Pressure: 1.23E-10 mmHg at 25°C
Enthalpy of Vaporization: 80.36 kJ/mol
Merck: 3878
Following is the molecular structure of Hydroxyethyltheophylline (CAS NO.519-37-9) is:

7-(2-Hydroxyethyl)theophylline Uses

Hydroxyethyltheophylline (CAS NO.519-37-9) is useful synthetic intermediate in the preparation of 7-substituted xanthines.

7-(2-Hydroxyethyl)theophylline Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	400mg/kg (400mg/kg)		Arzneimittel-Forschung. Drug Research. Vol. 8, Pg. 190, 1958.
mouse	LD50	intravenous	344mg/kg (344mg/kg)		Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 230, Pg. 194, 1957.
mouse	LD50	oral	400mg/kg (400mg/kg)		Arzneimittel-Forschung. Drug Research. Vol. 27, Pg. 1173, 1977.
mouse	LD50	subcutaneous	400mg/kg (400mg/kg)	Behavioral: convulsions or effect on seizure threshold lungs, thorax, or respiration: respiratory stimulation skin and appendages (skin): sweating: other	Arzneimittel-Forschung. Drug Research. Vol. 4, Pg. 649, 1954.
rat	LD50	intravenous	486mg/kg (486mg/kg)		Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 230, Pg. 194, 1957.
rat	LD50	oral	710mg/kg (710mg/kg)	Liver: other changes	Arzneimittel-Forschung. Drug Research. Vol. 30, Pg. 2023, 1980.
rat	LD50	subcutaneous	176mg/kg (176mg/kg)		Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 230, Pg. 194, 1957.

7-(2-Hydroxyethyl)theophylline Safety Profile

Poison by ingestion, subcutaneous, intravenous and intraperitoneal routes. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of NO_x. See also THEOPHYLLINE.
Hazard Codes:
Xn: Harmful
Xi: Irritant
Risk Statements:
R22: Harmful if swallowed.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements:
S36: Wear suitable protective clothing.
S36/37: Wear suitable protective clothing and gloves.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 3
RTECS: XH5850000

7-(2-Hydroxyethyl)theophylline Specification

Hydroxyethyltheophylline (CAS NO.519-37-9) is a white solid.

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