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113913-36-3

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CAS No.: 113913-36-3
Name: 2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide
Molecular Structure:
Molecular Structure of 113913-36-3 (2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide)
Formula: C12H13NO5S
Molecular Weight: 283.30
Synonyms: 1-Benzothiophen-3-ylboronic acid;
EINECS: 246-403-7
Density: 1.355 g/cm3
Melting Point: 140-144 °C(lit.)
Boiling Point: 390.207 °C at 760 mmHg
Flash Point: 189.791 °C
Hazard Symbols: ToxicT
Risk Codes: 23
Safety: 45
PSA: 92.29000
LogP: 2.12910
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Chemistry

Molecular Structure of 2H-1,2-Benzothiazine-3-carboxylicacid, 3,4-dihydro-4-hydroxy-2-methyl-, ethyl ester, 1,1-dioxide (CAS NO.113913-36-3):

Empirical Formula: C12H13NO5S
Molecular Weight: 283.3003
H bond acceptors: 6
H bond donors: 1
Freely Rotating Bonds: 4
Polar Surface Area: 92.29 Å2
Index of Refraction: 1.617
Molar Refractivity: 68.03 cm3
Molar Volume: 194.2 cm3
Surface Tension: 60.3 dyne/cm
Density: 1.458 g/cm3
Flash Point: 224.8 °C
Melting Point: 140-144 °C(lit.)
Enthalpy of Vaporization: 74.46 kJ/mol
Boiling Point: 448.1 °C at 760 mmHg
Vapour Pressure: 8.16E-09 mmHg at 25°C
EINECS: 246-403-7 
Product Categories: Intermediatesofmeloxican; (intermediate of piroxicam)

Safety Profile

Hazard Codes: ToxicT
Risk Statements: 23
R23 :Toxic by inhalation.
Safety Statements: 45
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 2811 6.1/PG 2
WGK Germany: 2
RTECS: DL0710425

Specification

  2H-1,2-Benzothiazine-3-carboxylicacid, 3,4-dihydro-4-hydroxy-2-methyl-, ethyl ester, 1,1-dioxide , with CAS number of 134792-45-3, can be called 4-Hydroxy-2-methyl-2h-1,2-benzothiazine-3-carboxylic acid ethyl ester-1,1-dioxide ; 2-methyl-4-hydroxy-2h-1,2-benzothiazine-1,1-dioxide-3-carboxylic acid ethyl ester ; 2-methyl-4-hydroxy-2h-1,2-benzothiazine-3-carboxylic acid ethyl ester-1,1-dioxide ; 2-methyl-4-hydroxy-2h-1,2-benzothiazine-3-carboxylic ethyl ester-1,1-dioxide ; 2-methyl-4-hydroxy-2h-1,2-benzothiaze-3-caproxylic acid-1,1-dioxide ethyl ester ; 2h-1,2-benzothiazine-3-carboxylic acid, 3,4-dihydro-4-hydroxy-2-methyl-, ethyl ester, 1,1-dioxide ; 2-methyl-4-hydroxy-2h-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxid ; 4-hydroxy-2-methyl-[2h]-1,2-benzothiazine 3-carboxylate-1,1-dioxide, ethyl ester .