4-Methyl-2-nitrobenzoic acid
[CAS# 27329-27-7]

Identification

• Classification: Organic raw materials >> Hydrocarbon compounds and their derivatives >> Hydrocarbon nitrite
• Name: 4-Methyl-2-nitrobenzoic acid
• Synonyms: 2-Nitro-4-methylbenzoic acid; 2-Nitro-p-toluic acid; NSC 80180
• Molecular Formula: C₈H₇NO₄
• Molecular Weight: 181.15
• CAS Registry Number: 27329-27-7
• EC Number: 627-464-2

Properties

• Solubility: Slightly soluble (1.2 g/L) (25 ºC), Calc.^*
• Density: 1.392±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 161-163 ºC^**

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

^** Burkett, Howard; Journal of Organic Chemistry 1960, V25, P276-8.

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R22;R43
• Safety Description: S37/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin sensitization	Skin Sens.	1	H317
Acute toxicity	Acute Tox.	4	H302
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319