Sodium arsenite, aqueous solutions


Sodium arsenite usually refers to the inorganic compound with the formula NaAsO2. Also called sodium meta-arsenite, it is the sodium salt of arsenous acid. Sodium ortho-arsenite is Na3AsO3. The compounds are colourless solids. Wikipedia

Substance Data

Source: TOXNET (HSDB, 25.05.2019)

CAS-Number

7784-46-5

Flash Point

n/a

Boiling Point

n/a

Emergency Response Guide No. 154

Data from the Hazardous Materials Table

Source: 49 CFR §172 (2018/07)

(3) Hazard Class

6.1
Poisonous Material

(4) Identification number Help

UN 1686

(5) Packing Group Help

II

(6) Labels Help

Poisonous liquids PG I Zone A (6.1)

(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.
IB2
T7
TP2

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

(8A) Exceptions153see 49 CFR §173.153
(8B) Non-bulk202see 49 CFR §173.202
(8C) Bulk243see 49 CFR §173.243

(9) Quantity Limits Help

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

(10) Vessel stowage Help

(10A) Location
(10B) Other n/a

(3) Hazard Class

6.1
Poisonous Material

(4) Identification number Help

UN 1686

(5) Packing Group Help

III

(6) Labels Help

Poisonous liquids PG I Zone A (6.1)

(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.
IB3
T4
TP2

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

(8A) Exceptions153see 49 CFR §173.153
(8B) Non-bulk203see 49 CFR §173.203
(8C) Bulk241see 49 CFR §173.241

(9) Quantity Limits Help

(9A) Passenger aircraft/rail60 L
(9B) Cargo aircraft only220 L

(10) Vessel stowage Help

(10A) Location
(10B) Other n/a

Comparison View of Different Packing Groups

More than one packing group is indicated for this entry. Criteria for assignment see 49 CFR §173 Subpart D. You can find specific details in the tabs above. Differences are highlighted.

PG II PG III
1
2Sodium arsenite, aqueous solutionsSodium arsenite, aqueous solutions
36.16.1
4UN 1686UN 1686
5IIIII
66.16.1
7IB2, T7, TP2IB3, T4, TP2
8A153153
8B202203
8C243241
9A5 L60 L
9B60 L220 L
10AAA
10B n/a n/a

Segregation Chart for Load, Transport, Storage

In this table a statement is contained for each hazard class whether the loading, transport or storage with other hazard classes is allowed, is not permitted or is restricted. The table is based on U.S.-Code 49 CFR §177.848.

There are no restrictions with hazardous materials, as pointed out in the instructions for using the Segregation Table (see 49 CFR §177.848(e)). But please, refer to following requirements in 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.