UN/NA Number Reference
DOT Class 6.1 Toxic Substance placard

UN 2730: Nitroanisoles, liquid

49 CFR 172.101 Hazardous Materials Table·ERG 2024

DOT Classification and Shipping

UN 2730 is assigned the proper shipping name Nitroanisoles, liquid in the U.S. DOT Hazardous Materials Table (49 CFR 172.101). It is classified as a Class 6.1 Toxic Substance material, Packing Group III. Required label(s): 6.1.

Packing group indicates the degree of danger within a hazard class: PG I is high danger, PG II medium, PG III low. The proper shipping name, hazard class, UN number, and packing group together form the basic shipping description that must appear on shipping papers and, where required, on the package and placard.

Emergency Response (ERG Guide 152)

Hazards: TOXIC. Combustible. May be ignited by heat, sparks. Toxic fumes when burned.

Fire: Small: dry chemical, CO2, water spray. Large: water spray, fog.

Spill: Do not touch. Eliminate ignition sources. Ventilate area. Use water spray.

Chemical and Physical Properties

Nitroanisole appears as a light red or amber-colored liquid or crystals. Insoluble in water and denser than water. Contact may irritate skin, eyes and mucous membranes. May be toxic by ingestion, inhalation or skin absorption. Used to make other chemicals.

CAS Number: 100-17-4
Molecular Formula: C7H7NO3
Molecular Weight: 153.14 g/mol
Boiling Point: 531 °F at 760 mmHg (NTP, 1992)
Melting Point: 48.9 °F (NTP, 1992)
Flash Point: greater than 230 °F (NTP, 1992)
Specific Gravity: 1.254 at 68 °F (NTP, 1992) - Denser than water; will sink
Vapor Pressure: 1 mmHg at 127 °F ; 18.5 mmHg at 167 °F; 30.0 mmHg at 194 °F (NTP, 1992)
Water Solubility: less than 1 mg/mL at 75 °F (NTP, 1992)

Special Provisions

49 CFR 172.102 special provision codes for this entry: IB3, T4, TP1. These codes modify the general requirements (packaging, quantity limits, exceptions) for this specific material. Look up each code in 49 CFR 172.102 for the full text.

Need the full interactive record? Open UN 2730 in the SpillNerd lookup tool for the live database entry with placard graphics, GHS pictograms, full segregation tables, and synonym search. For another material, use the UN number and chemical lookup.

Reference data compiled from the DOT Hazardous Materials Table (49 CFR 172.101), the 2024 Emergency Response Guidebook, and public chemical databases (PubChem, NIOSH, EPA). Always verify the correct shipping description against the current regulation and the manufacturer's SDS Section 14 before shipping.