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Name	Proxyphylline	EINECS	210-028-7
CAS No.	603-00-9	Density	1.46 g/cm³
PSA	82.05000	LogP	-1.18550
Solubility	285.7g/L(temperature not stated)	Melting Point	134-136°C
Formula	C10H14 N4 O3	Boiling Point	487.2ºC
Molecular Weight	238.246	Flash Point	248.5ºC
Transport Information	N/A	Appearance	N/A
Safety	Moderately toxic by ingestion, intraperitoneal, subcutaneous and intravenous routes. When heated to decomposition it emits toxic fumes of NO_x. See also THEOPHYLLINE.	Risk Codes	22
Molecular Structure		Hazard Symbols	Xn
Synonyms	Theophylline,7-(2-hydroxypropyl)- (6CI,7CI,8CI); (?à)-Proxyphyllin; 1,3-Dimethyl-7-(2-hydroxypropyl)xanthine;2,6-Dioxo-3,7-dihydro-7-(2-hydroxypropyl)-1,3-dimethylpurine;2-Hydroxypropyl-7-theophylline; 7-(2-Hydroxypropyl)theophylline; 7-(b-Hydroxypropyl)-1,3-dimethylxanthine;7-(b-Hydroxypropyl)theophylline;Brontyl; Hydroxypropyltheophylline; Monophylline; NSC 163343;Oxypropyltheophylline; Proxiphylline; Proxy-Retardoral; Proxyphylline;Purophyllin; Sanwaphyllin; Sigophyl; Spantin; Spasmolysin; Thean; Theoden;Theon; b-Hydroxypropyltheophylline	Article Data	12

Proxyphylline Chemical Properties

Chemical Name: Proxyphylline
IUPAC NAME: 7-(2-Hydroxypropyl)-1,3-dimethylpurine-2,6-dione
CAS No.: 603-00-9
EINECS: 210-028-7
RTECS: XH5907500
Molecular Formula: C₁₀H₁₄N₄O₃
Molecular Weight: 238.24 g/mol
Melting Point: 134-136°C
Density: 1.46 g/cm³
Flash Point: 248.5 °C
Boiling Point: 487.2 °C at 760 mmHg
Following is the structure of β-Hydroxypropyltheophylline (603-00-9):

The chemical synonymous of β-Hydroxypropyltheophylline (603-00-9) are 1,3-Dimethyl-7-(2-hydroxypropyl)xanthine ; 1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-7-(2-hydroxypropyl)- ; 1H-Purine-2,6-dione, 3,7-dihydro-7-(2-hydroxypropyl)-1,3-dimethyl- ; 2-Hydroxypropyl-7-theophylline ; 3,7-Dihydro-1,3-dimethyl-7-(2-hydroxypropyl)-1h-purine-6-dione ; 3,7-Dihydro-7-(2-hydroxypropyl)-1,3-dimethyl-1H-purine-2,6-dione ; 3,7-dihydro-7-(2-hydroxypropyl)-1,3-dimethyl-1h-purine-6-dione ; 7-(2-Hydroxypropyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione

Proxyphylline Toxicity Data With Reference

1.	orl-rat LD50:460 mg/kg	OYYAA2 Oyo Yakuri. Pharmacometrics. 19 (1980),845.
2.	ipr-rat LD50:445 mg/kg	NIIRDN “Drugs in Japan. Ethical Drugs, 6th Edition 1982“ Edited by Japan Pharmaceutical Information Center. 6 (1982),720.
3.	ivn-rat LD50:430 mg/kg	OYYAA2 Oyo Yakuri. Pharmacometrics. 19 (1980),845.
4.	orl-mus LD50:730 mg/kg	NIIRDN “Drugs in Japan. Ethical Drugs, 6th Edition 1982“ Edited by Japan Pharmaceutical Information Center. 6 (1982),720.
5.	ipr-mus LD50:505 mg/kg	ARZNAD Arzneimittel-Forschung. Drug Research. 27 (1977),14.
6.	scu-mus LD50:410 mg/kg	ARZNAD Arzneimittel-Forschung. Drug Research. 4 (1954),649.
7.	ivn-mus LD50:475 mg/kg	NIIRDN “Drugs in Japan. Ethical Drugs, 6th Edition 1982“ Edited by Japan Pharmaceutical Information Center. 6 (1982),720.

Proxyphylline Safety Profile

Moderately toxic by ingestion, intraperitoneal, subcutaneous and intravenous routes. When heated to decomposition it emits toxic fumes of NO_x. See also THEOPHYLLINE.
Hazard Codes:
Xn: Harmful
Risk Statements about β-Hydroxypropyltheophylline (603-00-9):
R22 Harmful if swallowed.
Safety Statements about β-Hydroxypropyltheophylline (603-00-9):
S36 Wear suitable protective clothing.

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