HazMat Tool — substance information Reference only — not a shipping paper, placard mandate, or CVI record.

Cymenes

HMT 15 June 2026

UN / ID: UN 2046
Hazard class: 3
Packing group: — (multiple — see tabs)
ERG guide: ERG 130
Special provisions: —
Source: 49 CFR §172 (15 June 2026)

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Cymenes

Substance Data

Source: PubChem (HSDB, 04.12.2019)

CAS-Number

99-87-6

Flash Point

—

Boiling Point

—

Emergency Response Guide No. 130

Hazardous Materials Table

Source: 49 CFR §172 (15 June 2026)

Packing group
Packing group

(3) Hazard class

3
Flammable liquids

(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.

—	see 49 CFR §172.102

(8) Packing Authorizations (§173.***)

(8A) Exceptions	—
(8B) Non-bulk	—
(8C) Bulk	—

(9) Quantity Limits

(9A) Passenger aircraft/rail	—
(9B) Cargo aircraft only	—

(10) Vessel stowage

(10A) Location	—
(10B) Other	—

(3) Hazard class

3
Flammable liquids

(4) Identification number

UN 2046

(5) Packing Group

III

Comparison View of PG

(6) Labels

(7) Special Provisions (§172.102)

If the material has a flash point at or above 38 °C (100 °F) and below 93 °C (200 °F), then the bulk packaging requirements of § 173.241 of this subchapter are applicable. If the material has a flash point of less than 38 °C (100 °F), then the bulk packaging requirements of § 173.242 of this subchapter are applicable.

Browse special provision B1

IB3

_{Authorized IBCs:} Metal (31A, 31B and 31N); Rigid plastics (31H1 and 31H2); Composite (31HZ1 and 31HA2, 31HB2, 31HN2, 31HD2 and 31HH2).
_{Additional Requirement:} Only liquids with a vapor pressure less than or equal to 110 kPa at 50 °C (1.1 bar at 122 °F), or 130 kPa at 55 °C (1.3 bar at 131 °F) are authorized, except for UN2672 (also see special provision IP8 in Table 2 for UN2672).

Browse special provision IB3

Minimum test pressure (bar)	1.5
Minimum shell thickness	§ 178.274(d)(2)
Pressure-relief requirements	Normal
Bottom opening requirements	§ 178.275(d)(3)

Browse special provision T2

TP1

The maximum degree of filling must not exceed the degree of filling determined by the following:
TP1

Where:
t_r is the maximum mean bulk temperature during transport, and t_f is the temperature in degrees celsius of the liquid during filling.

Browse special provision TP1

(8) Packing Authorizations (§173.***)

(8A) Exceptions	150	see 49 CFR §173.150
(8B) Non-bulk	203	see 49 CFR §173.203
(8C) Bulk	242	see 49 CFR §173.242

(9) Quantity Limits

(9A) Passenger aircraft/rail	60 L
(9B) Cargo aircraft only	220 L

(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	—

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 —	PG III
1
2	Cymenes	Cymenes
3	3	3
4	UN 2046	UN 2046
5	—	III
6	—	3
7	—	B1, IB3, T2, TP1
8A	—	150
8B	—	203
8C	—	242
9A	—	60 L
9B	—	220 L
10A	—	A
10B	—	—

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.

Hazard class	8	7	6.1	5.2	5.1	4.3	4.2	4.1	3	2.3B	2.3A	2.2	2.1	1.6	1.5	1.4	1.3	1.1/1.2
1.1/1.2
1.3
1.4
1.5
1.6
2.1
2.2
2.3A
2.3B
3
4.1
4.2
4.3
5.1
5.2
6.1
7
8

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