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UN2045

ISOBUTYRALDEHYDE (ISOBUTYL ALDEHYDE)

Class 3 — Flammable LiquidsPacking Group II
Hazard Class
3
Flammable Liquids
Classification Code
F1
Packing Group
II
Medium danger
Hazard ID No.
33
Kemler code
Transport Category
2
For 1,000-point rule
Tunnel Code
(D/E)
Tunnel restriction
Hazard Labels Required
Label 3

These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.

Quantity Limits & Transport
Limited Quantity
1 L
Max per inner package for LQ relief
Excepted Quantity
E2
EQ code for excepted quantity relief
Transport Category
2
0=highest, 4=lowest restriction
Tunnel Restriction
(D/E)
Code governing tunnel passage
Check if UN 2045 qualifies for 1.1.3.6 exemption
Calculate small load points and check exemption thresholds
Open calculator →

Other Flammable Liquids (Class 3)

UN 1088
ACETAL
UN 1089
ACETALDEHYDE
UN 1090
ACETONE
UN 1091
ACETONE OILS
UN 1093
ACRYLONITRILE, STABILIZED
Use this data programmatically
GET /api/adr?un=2045
View API Docs →
📅Data: UNECE ADR 2025, licensed from Labeline.com. Last verified May 2026

ADR reference data only. Classification is the consignor's legal responsibility. Consult a DGSA for compliance decisions.

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