1-Methyl-1H-benzotriazole-5-carboxaldehyde
[CAS# 499770-67-1]

Identification

• Name: 1-Methyl-1H-benzotriazole-5-carboxaldehyde
• Synonyms: 1-Methylbenzotriazole-5-carboxaldehyde
• Molecular Formula: C₈H₇N₃O
• Molecular Weight: 161.16
• CAS Registry Number: 499770-67-1
• EC Number: 821-428-1

Properties

• Solubility: Slightly soluble (2.1 g/L) (25 °C), Calc.^*
• Density: 1.33±0.1 g/cm³ (20 °C 760 Torr), Calc.^*

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

Safety Data

• Hazard Symbols: Xn
• Risk Statements: R22;R37/38;R41
• Safety Statements: S26;S39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2A	H319
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H332