Acetal


An acetal is a functional group with the connectivity R1R2C(OR')(OR''). Here, R1 and R2 are organic fragments or hydrogen, while R' and R'' can only be organic fragments. (If one of R' or R'' is H, the functional group is known as a hemiacetal, while if both are H, the functional group is a ketone or aldehyde hydrate.) The central carbon atom has four bonds to it, and is therefore saturated and has tetrahedral geometry. The R' and R'' groups can be equivalent to each other (a "symmetric acetal") or not (a "mixed acetal"). Wikipedia

Emergency Response Guide No. 127

Data from the Hazardous Materials Table

Source: 49 CFR §172 (2018/07)

(3) Hazard Class

3
Flammable liquids

(4) Identification number Help

UN 1088

(5) Packing Group Help

II

(6) Labels Help

Flammable liquids (3)

(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
T4
TP1

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

(8A) Exceptions150see 49 CFR §173.150
(8B) Non-bulk202see 49 CFR §173.202
(8C) Bulk242see 49 CFR §173.242

(9) Quantity Limits Help

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

(10) Vessel stowage Help

(10A) Location
(10B) Other 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.

red May not be loaded, transported, or stored together in the same transport vehicle or storage facility.
green Load, transport, storage together is not restricted.
yellow Load, transport, storage together is allowed under restrictions.

Substances with similar name

UN-NumberNameHazard Class
UN 1089Acetaldehyde3
UN 1841Acetaldehyde ammonia9
UN 2332Acetaldehyde oxime3
Ethyl aldehyde, see Acetaldehyde