HazMat Tool — substance information

Ethyl formate

HMT 15 June 2026

UN / ID: UN 1190
Hazard class: 3
Packing group: II
ERG guide: ERG 129
Special provisions: SP IB2, SP T4, SP TP1
Source: 49 CFR §172 (15 June 2026)

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Ethyl formate

Ethyl formate is an ester formed when ethanol (an alcohol) reacts with formic acid (a carboxylic acid). Ethyl formate has the characteristic smell of rum and is partially responsible for the flavor of raspberries, occurring naturally in some plant oils, fruits, and juices Wikipedia

Substance Data

Source: PubChem (HSDB, 12.12.2019)

CAS-Number

109-94-4

Flash Point

n/a

Boiling Point

n/a

Emergency Response Guide No. 129

Hazardous Materials Table

Source: 49 CFR §172 (15 June 2026)

(3) Hazard Class

3
Flammable liquids

(4) Identification number

UN 1190

(5) Packing Group

(6) Labels

(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.

IB2

_{Authorized IBCs:} Metal (31A, 31B and 31N); Rigid plastics (31H1 and 31H2); Composite (31HZ1).
_{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.

Browse special provision IB2

Minimum test pressure (bar)	2.65
Minimum shell thickness	§ 178.274(d)(2)
Pressure-relief requirements	Normal
Bottom opening requirements	§ 178.275(d)(3)

Browse special provision T4

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	202	see 49 CFR §173.202
(8C) Bulk	242	see 49 CFR §173.242

(9) Quantity Limits

(9A) Passenger aircraft/rail	5 L
(9B) Cargo aircraft only	60 L

(10) Vessel stowage

(10A) Location	E Stowage category “E” means the material may be stowed “on deck” or “under deck” on a cargo vessel or on a passenger vessel carrying a number of passengers limited to not more than the larger of 25 passengers, or one passenger per each 3 m of overall vessel length, but is prohibited from carriage on a passenger vessel in which the limiting number of passengers is exceeded. Source: 49 CFR §172.101(k)
(10B) Other	n/a

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.

Similar substances

UN / ID	Proper shipping name	Hazard class
UN 1243	Methyl formate	3
UN 2742	Chloroformates, toxic, corrosive, flammable, n.o.s	6.1
UN 3277	Chloroformates, toxic, corrosive, n.o.s	6.1
UN 2748	2-Ethylhexyl chloroformate	6.1
UN 2745	Chloromethyl chloroformate	6.1
UN 1238	Methyl chloroformate	6.1
UN 1182	Ethyl chloroformate	6.1
UN 2826	Ethyl chlorothioformate	8
UN 2524	Ethyl orthoformate	3
UN 1722	Allyl chloroformate	6.1
UN 1109	Amyl formates	3
UN 1739	Benzyl chloroformate	8
UN 2744	Cyclobutyl chloroformate	6.1
UN 2407	Isopropyl chloroformate	6.1
UN 2743	n-Butyl chloroformate	6.1