HazMat Tool — substance information

Chlorate and borate mixtures

HMT May 2026
UN / ID
UN 1458
Hazard class
5.1
Packing group
II (multiple — see tabs)
ERG guide
ERG 140
Special provisions
SP A9, SP IB8, SP IP2, SP IP4, SP N34, SP T3, SP TP33
Source
49 CFR §172 (2026/05)

Spot an error in this entry?

Chlorate and borate mixtures

Emergency Response Guide No. 140

Hazardous Materials Table

Source: 49 CFR §172 (2026/05)

(3) Hazard Class

5.1
Oxidizers

(4) Identification number Help

UN 1458

(5) Packing Group Help

II

(6) Labels Help

Oxidizers (5.1)

(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.
A9
IB8
IP2
IP4
N34
T3
TP33

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

(8A) Exceptions152see 49 CFR §173.152
(8B) Non-bulk212see 49 CFR §173.212
(8C) Bulk240see 49 CFR §173.240

(9) Quantity Limits Help

(9A) Passenger aircraft/rail5 kg
(9B) Cargo aircraft only25 kg

(10) Vessel stowage Help

(10A) Location
(10B) Other

(3) Hazard Class

5.1
Oxidizers

(4) Identification number Help

UN 1458

(5) Packing Group Help

III

(6) Labels Help

Oxidizers (5.1)

(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.
A9
IB8
IP3
N34
T1
TP33

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

(8A) Exceptions152see 49 CFR §173.152
(8B) Non-bulk213see 49 CFR §173.213
(8C) Bulk240see 49 CFR §173.240

(9) Quantity Limits Help

(9A) Passenger aircraft/rail25 kg
(9B) Cargo aircraft only100 kg

(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
2Chlorate and borate mixturesChlorate and borate mixtures
35.15.1
4UN 1458UN 1458
5IIIII
65.15.1
7A9, IB8, IP2, IP4, N34, T3, TP33A9, IB8, IP3, N34, T1, TP33
8A152152
8B212213
8C240240
9A5 kg25 kg
9B25 kg100 kg
10AAA
10B56, 5856, 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.

Similar substances

UN / IDProper shipping nameHazard class
UN 3377Sodium perborate monohydrate5.1
UN 3247Sodium peroxoborate, anhydrous5.1