Diethylene glycol CAS#111-46-6

CAS Number: 111-46-6
Chemical Formula:C4H10O3
Synonyms:

Diethyleneglyc
3-OxapentaMethylene-1,5-diol
Diethylene glycol, Bis(2-hydroxyethyl) ether

Appearance: Transperant Liquid

MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

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Diethylene glycol CAS#111-46-6

Diethylene glycol is a clear colorless, odorless and stable oily liquid. It is also slightly viscous, noncorrosive and nonvolatile. Because of its ether and alcohol group, diethylene glycol exhibits chemical properties characteristic of both primary alcohols and ethers. Its boiling point is considerably higher than that of ethylene glycol, and its solvent is greater. Diethylene glycol is miscible with water, ethers, lower aliphatic alcohols, aldehydes and ketones and is partially soluble in benzene, carbon tetrachloride, monobenzene, orthodichlorobenzene and toluene. It dissolves many dyes, resins, oils, nitrocellulose and many organic substances. Because of its solvent power, low volatility and hygroscopicity, it is used in textile lubricants, cutting oils, dry cleaning soap, printing inks, steam-set inks, and nongrain wood stains. In the textile industry diethylene glycol is used as a conditioning agent for wool, rayon, and cotton. As a solvent for dyes it makes a valuable assistant in dyeing and printing. The high hygroscopicity of diethylene glycol makes it an efficient softening agent for tobacco, paper, synthetic sponges, glues and casein. Diethylene glycol is especially useful in the dehydration of natural gas. A mixture of diethylene glycol and monoethanolamine will remove moisture, hydrogen sulfide and carbon dioxide from natural gas.

Diethylene glycol Chemical Properties

Melting point	−10 °C(lit.)
Boiling point	245 °C(lit.)
density	1.118 g/mL at 25 °C(lit.)
vapor density	2.14 (vs air)
vapor pressure	0.01 mm Hg ( 20 °C)
refractive index	n20/D 1.447(lit.)
Fp	143 °C
storage temp.	Keep in dark place,Sealed in dry,Room Temperature
solubility	H2O: 50 mg/mL at 20 °C, clear, colorless
pka	14.03±0.10(Predicted)
form	Oily Liquid
color	colorless
Odor	Practically odorless.
PH	5.5-7.0 (25℃, 50mg/mL in H2O)
Relative polarity	0.713
explosive limit	2-12.3%
Water Solubility	SOLUBLE
FreezingPoint	-10.45℃
λmax	λ: 260 nm Amax: ≤0.02 λ: 280 nm Amax: ≤0.01
Sensitive	Hygroscopic
Merck	14,3119
BRN	969209
Dielectric constant	31.7（20℃）
Stability:	Hygroscopic
Cosmetics Ingredients Functions	SOLVENT FRAGRANCE VISCOSITY CONTROLLING PERFUMING
InChI	1S/C4H10O3/c5-1-3-7-4-2-6/h5-6H,1-4H2
InChIKey	MTHSVFCYNBDYFN-UHFFFAOYSA-N
SMILES	OCCOCCO
LogP	-1.98 at 20℃
Surface tension	45.55mN/m at 293.15K
CAS DataBase Reference	111-46-6(CAS DataBase Reference)
NIST Chemistry Reference	Ethanol, 2,2'-oxybis-(111-46-6)
EPA Substance Registry System	Diethylene glycol (111-46-6)

Safety Information

Hazard Codes	Xn,T,Xi
Risk Statements	22
Safety Statements	46
WGK Germany	1
RTECS	ID5950000
F	10
Autoignition Temperature	442 °F
Hazard Note	Toxic/Irritant
TSCA	TSCA listed
HS Code	29094100
Storage Class	10 - Combustible liquids
Hazard Classifications	Acute Tox. 4 Oral
Hazardous Substances Data	111-46-6(Hazardous Substances Data)
Toxicity	LD50 in rats, guinea pigs (g/kg): 20.76, 13.21 orally (Smyth)

Product Application of Diethylene glycol CAS#111-46-6

Diethylene glycol has many industrial uses. It is a component of antifreeze, brake fluids, cosmetics, inks, and drying agents, and it is used as a plasticizer. In antifreeze solution for sprinkler systems, water seals for gas tanks, etc. (water with 40% diethylene glycol freezes at -18°; with 50% at -28°); as lubricating and finishing agent for wool, worsted, cotton, rayon, and silk; as solvent for vat dyes; in composition corks, glues, gelatin, casein, and pastes to prevent drying out.

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