HazMat Tool — substance information

Chemical kit

HMT 15 June 2026

UN / ID: UN 3316
Hazard class: 9
Packing group: n/a (multiple — see tabs)
ERG guide: ERG 171
Special provisions: SP 15
Source: 49 CFR §172 (15 June 2026)

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Chemical kit

Emergency Response Guide No. 171

Hazardous Materials Table

Source: 49 CFR §172 (15 June 2026)

Packing group
Packing group

(3) Hazard Class

9
Miscellaneous hazardous materials

(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.

15	This entry applies to “Chemical kits” and “First aid kits” containing one or more compatible items of hazardous materials in boxes, cases, etc. that, for example, are used for medical, analytical, diagnostic, testing, or repair purposes. Kits that are carried on board transport vehicles for first aid or operating purposes are not subject to the requirements of this subchapter. Browse special provision 15

(8) Packing Authorizations (§173.***)

(8A) Exceptions	161	see 49 CFR §173.161
(8B) Non-bulk	161	see 49 CFR §173.161
(8C) Bulk	None

(9) Quantity Limits

(9A) Passenger aircraft/rail	10 kg
(9B) Cargo aircraft only	10 kg

(10) Vessel stowage

(10A) Location	A Stowage category “A” means the material may be stowed “on deck” or “under deck” on a cargo vessel or on a passenger vessel. Source: 49 CFR §172.101(k)
(10B) Other	n/a

(3) Hazard Class

9
Miscellaneous hazardous materials

(4) Identification number

UN 3316

(5) Packing Group

n/a

Comparison View of PG

(6) Labels

(7) Special Provisions (§172.102)

15	This entry applies to “Chemical kits” and “First aid kits” containing one or more compatible items of hazardous materials in boxes, cases, etc. that, for example, are used for medical, analytical, diagnostic, testing, or repair purposes. Kits that are carried on board transport vehicles for first aid or operating purposes are not subject to the requirements of this subchapter. Browse special provision 15

(8) Packing Authorizations (§173.***)

(8A) Exceptions	161	see 49 CFR §173.161
(8B) Non-bulk	161	see 49 CFR §173.161
(8C) Bulk	None

(9) Quantity Limits

(9A) Passenger aircraft/rail	10 kg
(9B) Cargo aircraft only	10 kg

(10) Vessel stowage

(10A) Location	A Stowage category “A” means the material may be stowed “on deck” or “under deck” on a cargo vessel or on a passenger vessel. Source: 49 CFR §172.101(k)
(10B) Other	n/a

Packing group comparison

Multiple packing groups apply to this entry. See assignment criteria in 49 CFR §173 Subpart D. Details are in the tabs above; differences are highlighted.

	PG n/a	PG n/a
1
2	Chemical kit	First aid kit
3	9	9
4	UN 3316	UN 3316
5	n/a	n/a
6	9	9
7	15	15
8A	161	161
8B	161	161
8C	None	None
9A	10 kg	10 kg
9B	10 kg	10 kg
10A	A	A
10B	n/a	n/a

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.

No compatibility information for class 9 in 49 CFR §177.848 included.

Scope & sources (important)Click to show CFR references

This check evaluates segregation per 49 CFR §177.848. Additional loading/unloading and handling requirements may still apply; see 49 CFR §177 Subpart B (Loading and Unloading):

§177.834 - General requirements
§177.835 - Class 1 materials
§177.837 - Class 3 materials
§177.838 - Class 4 (flammable solid) materials, Class 5 (oxidizing) materials, and Division 4.2 (pyroforic liquid) materials
§177.839 - Class 8 (corrosive) materials
§177.840 - Class 2 (gases) materials
§177.841 - Division 6.1 and Division 2.3 materials
§177.842 - Class 7 (radioactive) material
§177.843 - Contamination of vehicles