Ethylene glycol CAS NO.107-21-1

Ethylene glycol Basic information

Product Name:    Ethylene glycol
Synonyms:    2-Hydroxyethanol;Aliphatic diol;Athylenglykol;Dihydroxyethane;dowtherm;Dowtherm SR 1;dowthermsr1;ethane-1,
CAS:    107-21-1
MF:    C2H6O2
MW:    62.07
EINECS:    203-473-3
Product Categories:    
Mol File:    107-21-1.mol

Ethylene glycol Chemical Properties
Melting point     -13 °C (lit.)
Boiling point     195-198 °C
density     1.113 g/mL at 25 °C (lit.)
vapor density     2.1 (vs air)
vapor pressure     0.08 mm Hg ( 20 °C)
refractive index     n20/D 1.431(lit.)
Fp     230 °F
storage temp.     2-8°C
solubility     water: miscible
pka    14.22(at 25℃)
form     Viscous Liquid
color     blue
Relative polarity    0.79
Odor    Odorless
PH    6-7.5 (100g/l, H2O, 20℃)
explosive limit    3.2%(V)
Water Solubility     miscible
FreezingPoint     -11.5℃
Sensitive     Hygroscopic
λmax    λ: 260 nm Amax: ≤0.03
λ: 280 nm Amax: ≤0.01
Merck     14,3798
BRN     505945
Exposure limits    Ceiling limit in air for vapor and mist 50 ppm (~125 mg/m3) (ACGIH); TWA 10 mg/m3 (particulates) (MSHA).
CAS DataBase Reference    107-21-1(CAS DataBase Reference)
NIST Chemistry Reference    1,2-Ethanediol(107-21-1)
EPA Substance Registry System    Ethylene glycol (107-21-1)

Safety Information
Hazard Codes     Xn
Risk Statements     22-36-41
Safety Statements     26-39-36/37/39
RIDADR     UN 1219 3/PG 2
WGK Germany     3
RTECS     KW2975000
F     3
Autoignition Temperature    752 °F
TSCA     Yes
HS Code     29053100
Hazardous Substances Data    107-21-1(Hazardous Substances Data)
Toxicity    LD50 in rats, guinea pigs (g/kg): 8.54, 6.61 orally (Smyth); in mice (ml/kg): 13.79 orally (Bornmann)