Introduction

p-nitrotoluene.

(p-methylnitrobenzene).

Synonyms: 4-Nitrotoluene; PNT; p-Nitrotoluene; 4-Methylnitrobenzene.

Formula: NO2C6H4CH3.

CAS: 99-99-0
EC No.: 202-808-0
Annex I Index No: 609-006-00-3
UN No: 1664

Properties: Yellow crystals. D 1.299 (0/4C), mp 51.7C, bp 238.3C, refr index 1.5382 (15C), flash p 223F (106C). Insoluble in water; soluble in alcohol, ether, and benzene. Combustible.

Derivation: From toluene by nitration and separation by fractional distillation.

Hazard: Toxic by inhalation, ingestion, skin absorption. TLV: 2 ppm.

Use: For production of toluidine, fuchsin, and various synthetic dyes.

Specification

PNT (Para Nitro Toluene) Specification – Valetime Group

Transport Information

UN No. 1664 : Nitrotoluenes, liquid (o-; m-; p-;) or Nitrotoluenes, solid (m-; or p-;)
IMO Hazard class 6.1. (Toxic substances)
Packing group II. (Medium Danger)

Safety information

Safety (MSDS) data for p-nitrotoluene

General

Synonyms: 4-nitrotoluene, 4-methylnitrobenzene, p-methylnitrobenzene
Molecular formula: CH3C6H4NO2
CAS No: 99-99-0
EC No:

Physical data

Appearance: light yellow crystals
Melting point: 53 C
Boiling point: 238 C
Vapour density: 4.72 (air = 1)
Vapour pressure: 0.12 mm Hg at 20 C
Density (g cm-3): 1.29
Flash point: 106 C (closed cup)
Explosion limits: 1.6% (lower)
Autoignition temperature:
Water solubility: negligible

Stability

May be shock sensitive. Incompatible with sulfuric acid, strong oxidizing agents.

Toxicology

May be fatal if swallowed or absorbed through the skin. Readily absorbed through the skin. Typical TLV/TWA 2 ppm.
Typical PEL 5 ppm.

Toxicity data

ORL-RAT LD50 2144 mg kg-1
IPR-RAT LD50 940 mg kg-1

Transport information

UN No 1664.

Personal protection

Safety glasses, gloves, good ventilation.