4-(Dimethylamino)nitrosobenzene
[CAS# 138-89-6]

Identification

• Name: 4-(Dimethylamino)nitrosobenzene
• Synonyms: 4-Nitroso-N,N-dimethylaniline; Accelerine; N,N-Dimethyl-4-nitrosoaniline; N,N-Dimethyl-p-nitrosoaniline; NDMA; NSC 2775; Ultra Brilliant Blue P; p-(Dimethylamino)nitrosobenzene; p-(N,N-Dimethylamino)nitrosobenzene; p-NDMA; p-Nitroso-N,N-dimethylaniline
• Molecular Formula: C₈H₁₀N₂O
• Molecular Weight: 150.18
• CAS Registry Number: 138-89-6
• EC Number: 205-343-1

Properties

• Solubility: Very slightly soluble (0.54 g/L) (25 ºC), Calc.^*
• Density: 1.145 g/cm³ (20 ºC)^**
• Melting point: 94-95 ºC (ligroine )^***
• Boiling point: 258.7±23.0 ºC (760 Torr), Calc.^*
• Flash point: 110.3±22.6 ºC, Calc.^*

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

^** "Hazardous Substances Data Bank" data were obtained from the National Library of Medicine (US)

^*** Baliah, V.; Journal of Organic Chemistry 1960, V25, P1833-4.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Self-heating substances or mixtures	Self-heat.	1	H251
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	3	H301
Skin sensitization	Skin Sens.	1	H317
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H302