Name: Poly(ethylene glycol)
SKU: 25322-68-3

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Basic Information

Molecular Structure:
CAS No.:	25322-68-3
Name:	Poly(ethylene glycol)

Formula:	C_2nH_4n+2O_n+1
Synonyms:	Glycols, polyethylene;Glycols,polyethylene (8CI);AlkoxE 130;Alkox E 30;Alkox E 30G;Alkox R 100;Alkox R 15;Alkox R 400;Alkox SW;AquaCalk TWB-P;Aquaffin;Badimol;Breox 20M;Breox PEG 300;CBP 20;Carbowax 14000;Carbowax 1450;Carbowax 1500;Carbowax 4500;Carbowax E 300;CarbowaxSentry NF;Cartaretin E;Cerasol 250A;Chemiox E20(C);Gligogum 4000;H 22;HM 500;HPEO 4250;IW;KPEG 6000;KleanPrep;L 6;Laprol 1001;Polyethylene glycol;
EINECS:	203-473-3
Density:	1.27 g/mL at 25 °C
Melting Point:	64-66 °C
Boiling Point:	>250 °C
Flash Point:	270 °C
Solubility:	Water soluble
Appearance:	White waxy crystalline flakes
Hazard Symbols:	Xi
Risk Codes:	36/38
Safety:	26-36-24/25
PSA:	40.46000
LogP:	-1.02900

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Specification

The Poly(ethylene oxide), with the CAS registry number 25322-68-3, is also known as 1,2-Ethanediol homopolymer. It belongs to the product categories of Polymers; Optimization Reagents; Protein Structural Analysis; X-Ray Crystallography; Cosmetic Ingredients & Chemicals; Gas Chromatography; Packed GC; Stationary Phases; Homobifunctional PEG; Poly(ethylene glycol) (PEG) and PEG Solutions; Poly(ethylene glycol) and Oligo(ethylene glycol); Essential Chemicals; Inorganic Salts; Materials Science; Poly(ethylene glycol) and Poly(ethylene oxide); Research Essentials; Solutions and Reagents. This chemical's molecular formula is C_2nH_4n+2O_n+1. This chemical is a polyether compound with many applications from industrial manufacturing to medicine.

Physical properties about Poly(ethylene oxide) are: (1)ACD/LogP: 0.046; (2)ACD/LogD (pH 5.5): -2.42; (3)ACD/LogD (pH 7.4): -2.48; (4)ACD/BCF (pH 5.5): 1.00 ; (5)ACD/BCF (pH 7.4): 1.00; (6)ACD/KOC (pH 5.5): 1.00; (7)ACD/KOC (pH 7.4): 1.00; (8)#H bond acceptors: 4; (9)#H bond donors: 3; (10)#Freely Rotating Bonds: 8; (11)Index of Refraction: 1.477; (12)Molar Refractivity: 48.833 cm³; (13)Molar Volume: 172.896 cm³; (14)Polarizability: 19.359 10-24cm³; (15)Surface Tension: 43.2919998168945 dyne/cm; (16)Density: 1.083 g/cm3; (17)Flash Point: 169.77 °C; (18)Enthalpy of Vaporization: 66.181 kJ/mol; (19)Boiling Point: 357.104 °C at 760 mmHg

Preparation of Poly(ethylene oxide): Poly(ethylene oxide) is produced by the interaction of ethylene oxide with water, ethylene glycol, or ethylene glycol oligomers.[5] The reaction is catalyzed by acidic or basic catalysts. Ethylene glycol and its oligomers are preferable as a starting material instead of water, because they allow the creation of polymers with a low polydispersity (narrow molecular weight distribution). Polymer chain length depends on the ratio of reactants.

HOCH₂CH₂OH + n(CH₂CH₂O) → HO(CH₂CH₂O)_n+1H

Uses of Poly(ethylene oxide): It is used as an excipient in many pharmaceutical products. Moreocer, it is used in conjunction with carbon black to form a conductive composite. This product should be sealed and stored in a cool, ventilated and dry place. Moreover, it is heat-stable and inert to many chemical agents and will not hydrolyze or deteriorate under normal conditions.

When you are using this chemical, please be cautious about it as the following: This chemical is irritating to eyes and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need wear suitable protective clothing and you must avoid contact with skin and eyes.

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
dog	LDLo	intravenous	3gm/kg (3000mg/kg)		Journal of Pharmacology and Experimental Therapeutics. Vol. 103, Pg. 293, 1951.
guinea pig	LD50	oral	15700mg/kg (15700mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
guinea pig	LD50	oral	17gm/kg (17000mg/kg)		"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 3847, 1982.
guinea pig	LD50	oral	19600mg/kg (19600mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
guinea pig	LD50	oral	22500mg/kg (22500mg/kg)		Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 39, Pg. 349, 1950.
guinea pig	LD50	oral	28gm/kg (28000mg/kg)		"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 3847, 1982.
guinea pig	LD50	oral	28900mg/kg (28900mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
guinea pig	LD50	oral	50gm/kg (50000mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
guinea pig	LD50	oral	50900mg/kg (50900mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
mouse	LD50	intraperitoneal	473mg/kg (473mg/kg)		Yaoxue Tongbao. Bulletin of Pharmacology. Vol. 21, Pg. 387, 1986.
mouse	LD50	intraperitoneal	2gm/kg (2000mg/kg)	LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION	Journal of Pharmacology and Experimental Therapeutics. Vol. 103, Pg. 293, 1951.
mouse	LD50	intraperitoneal	7500mg/kg (7500mg/kg)		National Technical Information Service. Vol. AD628-313,
mouse	LD50	intraperitoneal	8gm/kg (8000mg/kg)	LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION	Journal of Pharmacology and Experimental Therapeutics. Vol. 103, Pg. 293, 1951.
mouse	LD50	intravenous	7900ug/kg (7.9mg/kg)		Research Progress in Organic-Biological and Medicinal Chemistry. Vol. 2, Pg. 316, 1970.
mouse	LD50	intravenous	8550mg/kg (8550mg/kg)		Arzneimittel-Forschung. Drug Research. Vol. 26, Pg. 1581, 1976.
mouse	LD50	intravenous	16gm/kg (16000mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
mouse	LD50	oral	28915mg/kg (28915mg/kg)		Proceedings of the European Society of Toxicology. Vol. 17, Pg. 351, 1976.
mouse	LD50	oral	31gm/kg (31000mg/kg)		"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 3847, 1982.
mouse	LD50	oral	34gm/kg (34000mg/kg)		"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 3847, 1982.
mouse	LD50	oral	36gm/kg (36000mg/kg)		"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 3847, 1982.
mouse	LD50	subcutaneous	18gm/kg (18000mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rabbit	LD	skin	> 1gm/kg (1000mg/kg)		Union Carbide Data Sheet. Vol. 9/25/1969,
rabbit	LD50	intravenous	8gm/kg (8000mg/kg)	BLOOD: CHANGE IN CLOTTING FACTORS	Kriobiologiya i Kriomeditsina. Cryobiology and Cryomedicine. Vol. 4, Pg. 71, 1978.
rabbit	LD50	oral	14gm/kg (14000mg/kg)		"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 3847, 1982.
rabbit	LD50	oral	17300mg/kg (17300mg/kg)		International Journal of Toxicology. Vol. 18(Suppl,
rabbit	LD50	oral	17300mg/kg (17300mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rabbit	LD50	oral	19gm/kg (19000mg/kg)		"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 3847, 1982.
rabbit	LD50	oral	26800mg/kg (26800mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rabbit	LD50	oral	28900mg/kg (28900mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rabbit	LD50	oral	76gm/kg (76000mg/kg)		International Journal of Toxicology. Vol. 18(Suppl,
rabbit	LD50	oral	76gm/kg (76000mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rabbit	LD50	skin	> 20mL/kg (20mL/kg)		International Journal of Toxicology. Vol. 18(Suppl,
rabbit	LD50	skin	> 20gm/kg (20000mg/kg)		Dow Chemical Company Reports. Vol. MSD-1112,
rabbit	LD50	skin	> 20gm/kg (20000mg/kg)		Dow Chemical Company Reports. Vol. MSD-2202,
rabbit	LD50	skin	> 20gm/kg (20000mg/kg)		Dow Chemical Company Reports. Vol. MSD-96,
rabbit	LD50	skin	> 20gm/kg (20000mg/kg)		Dow Chemical Company Reports. Vol. MSD-2203,
rabbit	LD50	skin	> 20gm/kg (20000mg/kg)		Dow Chemical Company Reports. Vol. MSD-937,
rabbit	LD50	skin	> 20gm/kg (20000mg/kg)		Dow Chemical Company Reports. Vol. MSD-939,
rabbit	LD50	skin	> 20gm/kg (20000mg/kg)		Dow Chemical Company Reports. Vol. MSD-935,
rabbit	LD50	skin	> 20gm/kg (20000mg/kg)		Dow Chemical Company Reports. Vol. MSD-940,
rat	LD	oral	> 4gm/kg (4000mg/kg)		Union Carbide Data Sheet. Vol. 9/25/1969,
rat	LD50	intraperitoneal	6790mg/kg (6790mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rat	LD50	intraperitoneal	9gm/kg (9000mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rat	LD50	intraperitoneal	9700mg/kg (9700mg/kg)		"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 3849, 1982.
rat	LD50	intraperitoneal	9708mg/kg (9708mg/kg)		Proceedings of the European Society of Toxicology. Vol. 17, Pg. 351, 1976.
rat	LD50	intraperitoneal	12600mg/kg (12600mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rat	LD50	intraperitoneal	14100mg/kg (14100mg/kg)		"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 3849, 1982.
rat	LD50	intraperitoneal	15390mg/kg (15390mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rat	LD50	intraperitoneal	15570mg/kg (15570mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rat	LD50	intraperitoneal	16gm/kg (16000mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rat	LD50	intraperitoneal	17gm/kg (17000mg/kg)		Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 39, Pg. 349, 1950.
rat	LD50	intraperitoneal	17700mg/kg (17700mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rat	LD50	intravenous	7130mg/kg (7130mg/kg)		"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 3849, 1982.
rat	LD50	intravenous	7312mg/kg (7312mg/kg)		Arzneimittel-Forschung. Drug Research. Vol. 26, Pg. 1581, 1976.
rat	LD50	intravenous	7500mg/kg (7500mg/kg)		"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 3849, 1982.
rat	LD50	intravenous	13gm/kg (13000mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rat	LD50	oral	600mg/kg (600mg/kg)		Dow Chemical Company Reports. Vol. MSD-94,
rat	LD50	oral	1054mg/kg (1054mg/kg)		Dow Chemical Company Reports. Vol. MSD-95,
rat	LD50	oral	> 4gm/kg (4000mg/kg)		Dow Chemical Company Reports. Vol. MSD-938,
rat	LD50	oral	22gm/kg (22000mg/kg)		"Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969Vol. -, Pg. 747, 1969.
rat	LD50	oral	27500mg/kg (27500mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rat	LD50	oral	28gm/kg (28000mg/kg)		Dow Chemical Company Reports. Vol. MSD-1112,
rat	LD50	oral	30gm/kg (30000mg/kg)		Dow Chemical Company Reports. Vol. MSD-2203,
rat	LD50	oral	30200mg/kg (30200mg/kg)		Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 39, Pg. 349, 1950.
rat	LD50	oral	31600mg/kg (31600mg/kg)		"Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969Vol. -, Pg. 747, 1969.
rat	LD50	oral	31640mg/kg (31640mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rat	LD50	oral	32gm/kg (32000mg/kg)		Dow Chemical Company Reports. Vol. MSD-937,
rat	LD50	oral	44200mg/kg (44200mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rat	LD50	oral	45gm/kg (45000mg/kg)		"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 3847, 1982.
rat	LD50	oral	50gm/kg (50000mg/kg)		"Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969Vol. -, Pg. 747, 1969.
rat	LD50	oral	> 50gm/kg (50000mg/kg)		Dow Chemical Company Reports. Vol. MSD-935,
rat	LD50	oral	50gm/kg (50000mg/kg)		"Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969Vol. -, Pg. 747, 1969.
rat	LD50	oral	> 50gm/kg (50000mg/kg)		Dow Chemical Company Reports. Vol. MSD-940,
rat	LD50	oral	50gm/kg (50000mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rat	LD50	oral	51200mg/kg (51200mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rat	LD50	oral	51310mg/kg (51310mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rat	LD50	subcutaneous	16gm/kg (16000mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES	Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 451, 1953.
rat	LD50	unreported	7800mg/kg (7800mg/kg)		United States Patent Document. Vol. #4767763,
rat	LDLo	intravenous	3mg/kg (3mg/kg)		Toxicology and Applied Pharmacology. Vol. 16, Pg. 442, 1970.
rat	LDLo	intravenous	22gm/kg (22000mg/kg)	CARDIAC: ARRHYTHMIAS (INCLUDING CHANGES IN CONDUCTION) VASCULAR: BP LOWERING NOT CHARACTERIZED IN AUTONOMIC SECTION KIDNEY, URETER, AND BLADDER: HEMATURIA	Arzneimittel-Forschung. Drug Research. Vol. 23, Pg. 1087, 1973.

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Specification