2,5-Dinitrophenol
[CAS# 329-71-5]

Identification

• Classification: Biochemical >> Biochemical reagent >> Acid-base indicator
• Name: 2,5-Dinitrophenol
• Synonyms: 2,5-DNP; NSC 90441
• Molecular Formula: C₆H₄N₂O₅
• Molecular Weight: 184.11
• CAS Registry Number: 329-71-5
• EC Number: 206-348-1

Properties

• Solubility: Very slightly soluble (0.85 g/L) (25 °C), Calc.^*
• Density: 1.650±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 120-122 °C^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** Shevelev, Svyatoslav A.

Safety Data

• Hazard Symbols: GHS06;GHS08;GHS09 Danger
• Risk Statements: H331-H311-H301-H373-H411

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Acute toxicity	Acute Tox.	3	H331
Acute toxicity	Acute Tox.	3	H301
Acute toxicity	Acute Tox.	3	H311
Acute toxicity	Acute Tox.	2	H330
Flammable solids	Flam. Sol.	1	H228
Acute toxicity	Acute Tox.	2	H300
Acute toxicity	Acute Tox.	2	H310