HazMat Tool — substance information

Sodium dinitro-o-cresolate, wetted with not less than 10% water, by mass

HMT 15 June 2026

UN / ID: UN 3369
Hazard class: 4.1
Packing group: I
ERG guide: ERG 113
Special provisions: SP 162, SP A8, SP A19, SP N41, SP N84, SP W31
Source: 49 CFR §172 (15 June 2026)

On this page

Sodium dinitro-o-cresolate, wetted with not less than 10% water, by mass

Sodium is a chemical element; it has symbol Na (from Neo-Latin natrium) and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable isotope is 23Na Wikipedia

Emergency Response Guide No. 113

Hazardous Materials Table

Source: 49 CFR §172 (15 June 2026)

(3) Hazard Class

4.1
Flammable solids

(4) Identification number

UN 3369

(5) Packing Group

(6) Labels

(7) Special Provisions (§172.102)

×Note:
Special provisions may be very complex. The extracts are taken from 49 CFR §172.102. Please be careful with the information, as necessary, additional conditions may be applied that are not written here. Please check the original source and report bugs.

162	This material may be transported under the provisions of Division 4.1 only if it is packed so that at no time during transport will the percentage of diluent fall below the percentage that is stated in the shipping description. Browse special provision 162
A8	For combination packagings, if glass inner packagings (including ampoules) are used, they must be packed with cushioning material in tightly closed metal receptacles before packing in outer packagings. Browse special provision A8
A19	Combination packagings consisting of outer fiber drums or plywood drums, with inner plastic packagings, are not authorized for transportation by aircraft. Browse special provision A19
N41	Metal construction materials are not authorized for any part of a packaging which is normally in contact with the hazardous material. Browse special provision N41
N84	The maximum quantity per package is 500 g (1.1 lbs.). Browse special provision N84
W31	Non-bulk packagings must be hermetically sealed. Browse special provision W31

(8) Packing Authorizations (§173.***)

(8A) Exceptions	None
(8B) Non-bulk	211	see 49 CFR §173.211
(8C) Bulk	None

(9) Quantity Limits

(9A) Passenger aircraft/rail	0.5 kg
(9B) Cargo aircraft only	0.5 kg

(10) Vessel stowage

(10A) Location

Stowage category “E” means the material may be stowed “on deck” or “under deck” on a cargo vessel or on a passenger vessel carrying a number of passengers limited to not more than the larger of 25 passengers, or one passenger per each 3 m of overall vessel length, but is prohibited from carriage on a passenger vessel in which the limiting number of passengers is exceeded.

Source: 49 CFR §172.101(k)

(10B) Other

28	see 49 CFR §176.84
36	see 49 CFR §176.84

Source: 49 CFR §176.84

Segregation chart for load, transport, and storage

This chart shows whether loading, transport, or storage with other hazard classes is permitted, prohibited, or restricted. Based on 49 CFR §177.848.

Hazard class	8	7	6.1	5.2	5.1	4.3	4.2	4.1	3	2.3B	2.3A	2.2	2.1	1.6	1.5	1.4	1.3	1.1/1.2
1.1/1.2
1.3
1.4
1.5
1.6
2.1
2.2
2.3A
2.3B
3
4.1
4.2
4.3
5.1
5.2
6.1
7
8

	Must not be loaded, transported, or stored together in the same vehicle or facility.
	May be loaded, transported, or stored together.
	May be loaded, transported, or stored together only with restrictions.

Similar substances

UN / ID	Proper shipping name	Hazard class
UN 0234	Sodium dinitro-o-cresolate, dry or wetted with less than 15 percent water, by mass	1.3C
UN 1348	Sodium dinitro-o-cresolate, wetted with not less than 15 percent water, by mass	4.1
UN 3424	Ammonium dinitro-o-cresolate solution	6.1
UN 1843	Ammonium dinitro-o-cresolate, solid	6.1