Piroxicam Impurity D
[CAS# 6639-62-9]

Identification

• Name: Piroxicam Impurity D
• Synonyms: Methyl 3-oxo-2,3-dihydro-1,2-benzothiazole-2-acetate 1,1-dioxide
• Molecular Formula: C₁₀H₉NO₅S
• Molecular Weight: 255.25
• CAS Registry Number: 6639-62-9
• EC Number: 229-646-3

Properties

• Solubility: Very slightly soluble (0.89 g/L) (25 ºC), Calc.^*
• Density: 1.499±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 121-123 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Sanghavi, N. M.; Indian Journal of Technology 1989, V27(2), P93-5.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Eye irritation	Eye Irrit.	2	H319