C2H6O2
62.07 g/mol
Industrial ChemicalWarning
ETHYLENE GLYCOL
CAS107-21-1EC203-473-3
Category
Industrial Chemical
Compound Class
Alcohol
Primary Use
antifreeze and polyester fiber raw material
Ethylene glycol is an organic compound primarily used as a raw material in the production of polyester fibers and as an antifreeze agent. It is a colorless, odorless, flammable, viscous liquid with two alcohol functional groups.
raw material for polyester fiber manufacturingantifreeze formulations
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 107-21-1
Related Compounds
StrongSame Parent
Ethane-1,2-diol;2-hydroxyacetic acid
CAS39927-08-7
polyethylene glycol diacid precursor
ReferenceSame Category
Glyoxal
CAS107-22-2
Crosslinking agent for industrial polymers
ReferenceSame Category
Methyl vinyl ether
CAS107-25-5
Polymer and resin modifier
ReferenceSame Category
Chloromethyl methyl ether
CAS107-30-2
Chloromethylation reagent and alkylating agent
ReferenceSame Category
Methyl formate
CAS107-31-3
Solvent and fumigant
Referencestereoisomer of
(1,1,2,2-2H4)Ethane-1,2-(2H2)diol
CAS15054-86-1
research compound
Referencestereoisomer of
(1,1,3,3-²H₄)Propane-1,3-diol
CAS2219-51-4
deuterated solvent or reference standard
Safety Reference
Warning
H302Harmful if swallowed
H373May cause damage to organs through prolonged or repeated exposure
H315Causes skin irritation
H320Causes eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H336May cause drowsiness or dizziness
H370Causes damage to organs
H303May be harmful if swallowed
H316Causes mild skin irritation
H360May damage fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure
Regulatory Compliance1
- California Proposition 65USRegulation
Customs Tariff Classification
The international HS code for ETHYLENE GLYCOL (CAS 107-21-1) is 2905.31, 3815.90.
HS code (international, 6-digit)
2905.31, 3815.90
EU CN code (8-digit)
2905 31 00, 3815 90 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
ethane-1,2-diol
InChIKey
LYCAIKOWRPUZTN-UHFFFAOYSA-N
SMILES
C(CO)O
Synonyms (108)
- 146AR
- EDO
- GXT
- PEG
- Ethylene glycol, United States Pharmacopeia (USP)
- Hydroxyethyl Salicylate EP Impurity B
- Hydroxyethyl Salicylate Imp. B (EP); Ethylene Glycol; Propan-1,2-diol; Glycerol Impurity B; Hydroxyethyl Salicylate Impurity B
- Residual Solvent Class 2 - Ethylene Glycol, United States Pharmacopeia (USP)
- 1,2-Dihydroxyethane
- 1,2-ETHANEDIOL (GLYCOL)
- 1,2-Ethandiol
- 1,2-ethanediol
- 1,2-ethylene glycol
- 2-ethanediol
- 2-hydroxyethanol
- Aethylenglykol
- Aethylenglykol [German]
- Athylenglykol
- Caswell No. 441
- Dihydroxyethane
- Dowtherm 4000
- Dowtherm SR 1
- ETHYLENE GLYCOL
- ETHYLENE GLYCOL [MART.]
- Ethane-1,2-diol
- Ethylene alcohol
- Ethylene dihydrate
- Ethylene glycol, anhydrous
- Ethylene glycol, p.a.
- Fridex
- GLYCEROL IMPURITY B
- Glycol alcohol
- Glycol, Ethylene
- Glycol, Monoethylene
- Ilexan E
- Kollisolv PEG 300
- LOWENOL T-163A
- Lutrol E (TN)
- Lutrol-9
- M.e.g.
- MEG 100
- Macrogol
- Macrogol 20000 (JP17)
- Macrogol 400
- Macrogol 400 BPC
- Macrogola
- Macrogols
- Macrogols 1000
- NANOSILVER+EG
- Norkool
- PEG 1500
- PEG 200
- PEG 3000
- PEG 3600
- POLYETHYLENE GLYCOL 20000
- Poly(ethylene Glycol) ~1000
- Poly(ethylene Glycol) ~200
- Poly(ethylene Glycol) ~2000
- Poly(ethylene Glycol) ~30,000
- Poly(ethylene Glycol) ~3000
- Poly(ethylene Glycol) ~40,000
- Poly(ethylene Glycol) ~400
- Poly(ethylene Glycol) ~4000
- Poly(ethylene Glycol) ~6000
- Poly(ethylene Glycol) ~9000
- Poly(ethylene glycol)3350
- Ramp
- Tescol
- Ucar 17
- Zerex
- ehtylene glycol
- ethan-1,2-diol
- ethanediol
- ethylen glycol
- ethyleneglycole
- etylene glycol
- glycol
- monoethylene glycol