HazMat Tool — substance information

Calcium chlorate aqueous solution

HMT May 2026
UN / ID
UN 2429
Hazard class
5.1
Packing group
II (multiple — see tabs)
ERG guide
ERG 140
Special provisions
SP A2, SP IB2, SP N41, SP T4, SP TP1
Source
49 CFR §172 (2026/05)

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Calcium chlorate aqueous solution

Substance Data

Source: PubChem (HSDB, 13.12.2019)

CAS-Number

10137-74-3

Flash Point

n/a

Boiling Point

n/a

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 2429

(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.
A2
IB2
N41
T4
TP1

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

(8A) Exceptions152see 49 CFR §173.152
(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 only5 L

(10) Vessel stowage Help

(10A) Location
(10B) Other

(3) Hazard Class

5.1
Oxidizers

(4) Identification number Help

UN 2429

(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.
A2
IB2
N41
T4
TP1

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

(8A) Exceptions152see 49 CFR §173.152
(8B) Non-bulk203see 49 CFR §173.203
(8C) Bulk241see 49 CFR §173.241

(9) Quantity Limits Help

(9A) Passenger aircraft/rail2.5 L
(9B) Cargo aircraft only30 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
2Calcium chlorate aqueous solutionCalcium chlorate aqueous solution
35.15.1
4UN 2429UN 2429
5IIIII
65.15.1
7A2, IB2, N41, T4, TP1A2, IB2, N41, T4, TP1
8A152152
8B202203
8C242241
9A1 L2.5 L
9B5 L30 L
10ABB
10B56, 58, 13356, 68, 133

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.