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Basic Information
CAS No.: 132-89-8
Name: chlorthenoxazine
Molecular Structure:
Molecular Structure of 132-89-8 (chlorthenoxazine)
Formula: C10H10 Cl N O2
Molecular Weight: 211.648
Synonyms: 2-(2-Chloroethyl)-2,3-dihydro-4H-1,3-benzoxazin-4-one;2-(2-Chloroethyl)-2H-1,3-benzoxazin-4(3H)-one;2-(2-Chloroethyl)-3,4-dihydro-2H-1,3-benzoxazin-4-one; 2-(b-Chloroethyl)-2,3-dihydro-4-oxo(benzo-1,3-oxazine);4-Oxo-2-(b-chloroethyl)-2,3-dihydrobenzo-1,3-oxazine;Ap 67; Apirazin; Chlorethylbenzmethoxazone; Chlorthenoxazine; NSC 525254;Ossapirina; Ossazone; Piroxina; Reumagrip; Valmorin; Valtorin
Density: 1.253g/cm3
Melting Point: 146-147° (dec)
Boiling Point: 449.8°Cat760mmHg
Flash Point: 225.8°C
Safety: Moderately toxic by intraperitoneal route. Mildly toxic by ingestion. When heated to decomposition it emits very toxic fumes of Cl− and NOx.
PSA: 38.33000
LogP: 2.09260
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Chemistry

IUPAC Name: 2-(2-Chloroethyl)-2,3-dihydro-1,3-benzoxazin-4-one 
Following is the structure of Chlorethylbenzmethoxazone (CAS NO.132-89-8):
               
Empirical Formula: C10H10ClNO2
Molecular Weight: 211.6449 g/mol
EINECS: 205-082-3
Density: 1.253 g/cm3
Flash Point: 225.8 °C
Index of Refraction: 1.541
Surface Tension: 39.5 dyne/cm
Enthalpy of Vaporization: 70.85 kJ/mol
Boiling Point: 449.8 °C at 760 mmHg
Vapour Pressure of Chlorethylbenzmethoxazone (CAS NO.132-89-8): 2.78E-08 mmHg at 25 °C
Canonical SMILES: C1=CC=C2C(=C1)C(=O)NC(O2)CCCl
InChI: InChI=1S/C10H10ClNO2/c11-6-5-9-12-10(13)7-3-1-2-4-8(7)14-9/h1-4,9H,5-6H2,(H,12,13)
InChIKey: YEKMWXFHPZBZLR-UHFFFAOYSA-N

Toxicity Data With Reference

1.    

ipr-rat LD50:730 mg/kg

     BMJOAE    British Medical Journal. 1 (1960),36.
2.    

orl-rat LD50:10 g/kg

     ARZNAD    Arzneimittel-Forschung. Drug Research. 7 (1957),651.

Safety Profile

 Moderately is toxic by intraperitoneal route. Mildly toxic by ingestion. When heated to decomposition, Chlorethylbenzmethoxazone (CAS NO.132-89-8) emits very toxic fumes of Cl− and NOx.

Specification

 Chlorethylbenzmethoxazone , its cas register number is 132-89-8. It also can be called 2-(2-Chloroethyl)-2,3-dihydro-4-oxo-1,3-benzoxazine ; 2-(2-Chloroethyl)-2,3-dihydro-4H-1,3-benzoxazin-4-one ; 2-(2-Chloroethyl)-3-aza-4-chromanone ; 2-(beta-Chloroethyl)-2,3-dihydro-4-oxo(benzo-1,3-oxazine) ; 4-27-00-02766 (Beilstein Handbook Reference) ; 4-Oxo-2-(beta-chloroethyl)-2,3-dihydrobenzo-1,3-oxazine ; Apirazin ; Chlorethylbenzmethoxazone ; Chlorthenoxazin ; Chlorthenoxazinum ; Clortenoxazina ; Ossazone ; Ossipirina ; Reugaril ; Reumagrip ; and Valmorin . Its classification code is Drug / Therapeutic Agent.