HazMat Tool — substance information

Hypochlorite solutions

HMT May 2026
UN / ID
UN 1791
Hazard class
8
Packing group
II (multiple — see tabs)
ERG guide
ERG 154
Special provisions
SP 148, SP A7, SP B2, SP B15, SP IB2, SP IP5, SP N34, SP T7, more…
Source
49 CFR §172 (2026/05)

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Hypochlorite solutions

Substance Data

Source: PubChem (HSDB, 30.11.2019)

CAS-Number

7681-52-9

Flash Point

n/a

Boiling Point

n/a

Emergency Response Guide No. 154

Hazardous Materials Table

Source: 49 CFR §172 (2026/05)

(3) Hazard Class

8
Corrosive liquids

(4) Identification number Help

UN 1791

(5) Packing Group Help

II

(6) Labels Help

Corrosive liquids (8)

(7) Special Provisions (§172.102) Help

×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.
148
A7
B2
B15
IB2
IP5
N34
T7
TP2
TP24

(8) Packing Authorizations (§173.***) Help

(8A) Exceptions154see 49 CFR §173.154
(8B) Non-bulk202see 49 CFR §173.202
(8C) Bulk242see 49 CFR §173.242

(9) Quantity Limits Help

(9A) Passenger aircraft/rail1 L
(9B) Cargo aircraft only30 L

(10) Vessel stowage Help

(10A) Location
(10B) Other

(3) Hazard Class

8
Corrosive liquids

(4) Identification number Help

UN 1791

(5) Packing Group Help

III

(6) Labels Help

Corrosive liquids (8)

(7) Special Provisions (§172.102) Help

×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.
386
IB3
N34
T4
TP2
TP24

(8) Packing Authorizations (§173.***) Help

(8A) Exceptions154see 49 CFR §173.154
(8B) Non-bulk203see 49 CFR §173.203
(8C) Bulk241see 49 CFR §173.241

(9) Quantity Limits Help

(9A) Passenger aircraft/rail5 L
(9B) Cargo aircraft only60 L

(10) Vessel stowage Help

(10A) Location
(10B) Other

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 II PG III
1
2Hypochlorite solutionsHypochlorite solutions
388
4UN 1791UN 1791
5IIIII
688
7148, A7, B2, B15, IB2, IP5, N34, T7, TP2, TP24386, IB3, N34, T4, TP2, TP24
8A154154
8B202203
8C242241
9A1 L5 L
9B30 L60 L
10ABB
10B2626, 53, 58

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.

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