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Substance Name: Oxirane, methyl, polymer and oxibane, butyl ether
RN: 9038-95-3

Note

  • A copolymer of ethylene oxide and propylene oxide.

Classification Codes

  • Skin / Eye Irritant
  • TSCA Flag XU (Exempt from Reporting under Chemical Data Reporting Rule)

Molecular Formula

  • C4-H10-O.(C3H6-O.C2-H4-O)x-

Molecular Weight

  • 176.254
 
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Regulatory Agencies (Superlist Locators)

Other Resources (Internet Locators)

Names and Synonyms

Name of Substance

  • Oxirane, methyl, polymer and oxibane, butyl ether
  • Polyoxyethylene (17) polyoxypropylene (17) monobutyl ether
  • Polyoxyethylene (27) polyoxypropylene (24) monobutyl ether
  • Polyoxyethylene (3) polyoxypropylene (2) monobutyl ether
  • Polyoxyethylene (35) polyoxypropylene (28) monobutyl ether
  • Polyoxyethylene (36) polyoxypropylene (36) monobutyl ether
  • Polyoxyethylene (45) polyoxypropylene (33) monobutyl ether
  • Polyoxyethylene (5) polyoxypropylene (3) monobutyl ether
  • Polyoxypropylene (17) polyoxyethylene (17) monobutyl ether
  • Polyoxypropylene (2) polyoxyethylene (3) monobutyl ether
  • Polyoxypropylene (24) polyoxyethylene (27) monobutyl ether
  • Polyoxypropylene (28) polyoxyethylene (35) monobutyl ether
  • Polyoxypropylene (3) polyoxyethylene (5) monobutyl ether
  • Polyoxypropylene (33) polyoxyethylene (45) monobutyl ether
  • Polyoxypropylene (36) polyoxyethylene (36) monobutyl ether
  • PPG-17-Buteth-17
  • PPG-2-Buteth-3
  • PPG-24-Buteth-27
  • PPG-28-Buteth-35
  • PPG-3-Buteth-5
  • PPG-33-Buteth-45
  • PPG-36-Buteth-36
  • Ucon 50-HB-5100

Synonyms

  • Methyloxirane polymer with oxirane monobutyl ester
  • Methyloxirane, polymer with oxirane, monobutyl ether
  • Propylene oxide ethylene oxide polymer monobutyl ether
  • Tergitol nonionic XD
  • Tergitol XD (nonionic)
  • U-2000
  • U-5100
  • U-660
  • Ucon 50-HB-2000
  • Ucon 50-HB-260
  • Ucon 50-HB-5100
  • Ucon fluid LB-285
  • Ucon sewing thread lubricant 1000
  • UNII-48TV88LCZC
  • UNII-5345E4238C
  • UNII-58CG7042J1
  • UNII-945Y09KFG4
  • UNII-DC08AL6V0T
  • UNII-GZ6R4MRR8S
  • UNII-M34J9WL56D
  • UNII-R3I00ON2WL
  • UNII-T66J9LZ44P
  • UNII-W435Z2KFIQ

Systematic Names

  • Glycols, polyethylenepolypropylene, monobutyl ether (nonionic)
  • Oxirane, 2-methyl-, polymer with oxirane, monobutyl ether
  • Oxirane, methyl-, polymer with oxirane, monobutyl ester
  • Oxirane, methyl-, polymer with oxirane, monobutyl ether
  • Ucon 50-HB-100
  • Ucon 50-HB-2000
  • Ucon 50-HB-260
  • Ucon 50-HB-280-X
  • Ucon 50-HB-3520
  • Ucon 50-HB-400
  • Ucon 50-HB-5100
  • Ucon 50-HB-55
  • Ucon 50-HB-660
  • Ucon LB-285 (fluid)

Superlist Names

  • Peg/ppg butyl ether
  • Polyethylene-polypropylene glycol, monobutyl ether

Registry Numbers

CAS Registry Number

  • 9038-95-3

FDA UNIIs

  • 48TV88LCZC
  • 5345E4238C
  • 58CG7042J1
  • 945Y09KFG4
  • DC08AL6V0T
  • GZ6R4MRR8S
  • M34J9WL56D
  • R3I00ON2WL
  • T66J9LZ44P
  • W435Z2KFIQ

Other Registry Numbers

  • 1033553-65-9
  • 1033554-47-0
  • 104443-90-5
  • 11120-10-8
  • 12612-72-5
  • 130391-51-4
  • 152231-98-6
  • 183505-71-7
  • 186100-07-2
  • 187413-70-3
  • 187547-83-7
  • 2108681-84-9
  • 2170584-34-4
  • 30322-14-6
  • 31303-65-8
  • 37297-14-6
  • 38893-95-7
  • 39422-13-4
  • 52232-08-3
  • 60202-63-3
  • 69073-08-1
  • 71496-80-5
  • 76416-50-7
  • 855517-64-5
  • 9007-05-0
  • 9010-48-4
  • 9045-61-8
  • 9053-47-8
  • 9053-48-9
  • 9067-42-9
  • 9072-47-3
  • 9081-22-5
  • 909802-81-9
  • 92881-23-7
  • 97502-89-1

System Generated Number

  • 0009038953

Molecular Formulas

Molecular Formula

  • C4-H10-O.(C3H6-O.C2-H4-O)x-

Molecular Formula Fragments

  • C2-H4-O
  • C3H6-O
  • C4-H10-O
  • COMPONENT

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
dog LC50 inhalation > 500mg/m3/4H (500mg/m3)   Drug and Chemical Toxicology. Vol. 14, Pg. 243, 1991.
guinea pig LC50 inhalation 293mg/m3/4H (293mg/m3) LUNGS, THORAX, OR RESPIRATION: DYSPNEA

MUSCULOSKELETAL: OTHER CHANGES

SENSE ORGANS AND SPECIAL SENSES: OTHER CHANGES: OLFACTION
Drug and Chemical Toxicology. Vol. 14, Pg. 243, 1991.
hamster LC50 inhalation 511mg/m3/4H (511mg/m3) MUSCULOSKELETAL: OTHER CHANGES

LUNGS, THORAX, OR RESPIRATION: DYSPNEA

SENSE ORGANS AND SPECIAL SENSES: OTHER CHANGES: OLFACTION
Drug and Chemical Toxicology. Vol. 14, Pg. 243, 1991.
mouse LC50 inhalation 174mg/m3/4H (174mg/m3) SENSE ORGANS AND SPECIAL SENSES: OTHER CHANGES: OLFACTION

LUNGS, THORAX, OR RESPIRATION: DYSPNEA

MUSCULOSKELETAL: OTHER CHANGES
Drug and Chemical Toxicology. Vol. 14, Pg. 243, 1991.
mouse LD50 oral 7460mg/kg (7460mg/kg)   Toxicology and Applied Pharmacology. Vol. 16, Pg. 657, 1970.
mouse LD50 oral 49gm/kg (49000mg/kg)   Toxicology and Applied Pharmacology. Vol. 16, Pg. 657, 1970.
rabbit LD50 oral 1770mg/kg (1770mg/kg)   Toxicology and Applied Pharmacology. Vol. 16, Pg. 675, 1970.
rabbit LD50 oral 16gm/kg (16000mg/kg)   Toxicology and Applied Pharmacology. Vol. 16, Pg. 657, 1970.
rabbit LD50 skin 14100uL/kg (14.1mL/kg)   Union Carbide Data Sheet. Vol. 12/12/1968,
rabbit LD50 skin > 20mL/kg (20mL/kg)   Union Carbide Data Sheet. Vol. 9/22/1964,
rabbit LD50 skin 20mL/kg (20mL/kg)   Union Carbide Data Sheet. Vol. 3/10/1970,
rabbit LD50 skin > 20mL/kg (20mL/kg)   Union Carbide Data Sheet. Vol. 3/20/1973,
rabbit LD50 skin > 20mL/kg (20mL/kg)   Union Carbide Data Sheet. Vol. 5/17/1968,
rabbit LD50 skin > 20mL/kg (20mL/kg)   Union Carbide Data Sheet. Vol. 3/30/1965,
rabbit LD50 skin > 20mL/kg (20mL/kg)   Union Carbide Data Sheet. Vol. 10/29/1968,
rabbit LD50 skin > 20mL/kg (20mL/kg)   Union Carbide Data Sheet. Vol. 4/17/1968,
rabbit LD50 skin > 20gm/kg (20000mg/kg)   Union Carbide Data Sheet. Vol. 3, Pg. 20, 1973.
rabbit LDLo skin 21gm/kg (21000mg/kg)   Fundamental and Applied Toxicology. Vol. 9, Pg. 773, 1987.
rabbit LDLo skin 21gm/kg (21000mg/kg)   Fundamental and Applied Toxicology. Vol. 9, Pg. 773, 1987.
rabbit LDLo skin 21gm/kg (21000mg/kg)   Fundamental and Applied Toxicology. Vol. 9, Pg. 773, 1987.
rat LC50 inhalation 147mg/m3/4H (147mg/m3) SENSE ORGANS AND SPECIAL SENSES: OTHER CHANGES: OLFACTION

LUNGS, THORAX, OR RESPIRATION: DYSPNEA

MUSCULOSKELETAL: OTHER CHANGES
Drug and Chemical Toxicology. Vol. 14, Pg. 243, 1991.
rat LC50 inhalation 330mg/m3/4H (330mg/m3)   Fundamental and Applied Toxicology. Vol. 9, Pg. 773, 1987.
rat LC50 inhalation 4670mg/m3/4H (4670mg/m3) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION
Fundamental and Applied Toxicology. Vol. 9, Pg. 773, 1987.
rat LC50 inhalation 4770mg/m3/4H (4770mg/m3)   Inhalation Toxicology. Vol. 5, Pg. 189, 1993.
rat LD50 intraperitoneal 2600mg/kg (2600mg/kg)   Fundamental and Applied Toxicology. Vol. 9, Pg. 773, 1987.
rat LD50 oral 4mL/kg (4mL/kg)   Union Carbide Data Sheet. Vol. 3/20/1973,
rat LD50 oral 8530uL/kg (8.53mL/kg)   Union Carbide Data Sheet. Vol. 3/10/1970,
rat LD50 oral 9170uL/kg (9.17mL/kg)   Union Carbide Data Sheet. Vol. 12/12/1968,
rat LD50 oral 12300uL/kg (12.3mL/kg)   Union Carbide Data Sheet. Vol. 9/22/1964,
rat LD50 oral 18300uL/kg (18.3mL/kg)   Union Carbide Data Sheet. Vol. 4/12/1965,
rat LD50 oral 20600uL/kg (20.6mL/kg)   Union Carbide Data Sheet.
rat LD50 oral 38400uL/kg (38.4mL/kg)   Union Carbide Data Sheet. Vol. 3/30/1965,
rat LD50 oral 5gm/kg (5000mg/kg)   Toxicology and Applied Pharmacology. Vol. 17, Pg. 498, 1970.
rat LD50 oral 5370mg/kg (5370mg/kg)   Union Carbide Data Sheet. Vol. 5/17/1968,
rat LD50 oral 6130mg/kg (6130mg/kg)   Union Carbide Data Sheet. Vol. 10/29/1968,
rat LD50 oral 9610mg/kg (9610mg/kg)   Union Carbide Data Sheet. Vol. 4/17/1968,
rat LD50 oral 45gm/kg (45000mg/kg)   Toxicology and Applied Pharmacology. Vol. 16, Pg. 657, 1970.
rat LDLo intratracheal 20uL/kg (0.02mL/kg) MUSCULOSKELETAL: OTHER CHANGES

LUNGS, THORAX, OR RESPIRATION: CHANGES IN LUNG WEIGHT

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
National Technical Information Service. Vol. OTS0534555,
rat LDLo intravenous 1750uL/kg (1.75mL/kg) LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES

LUNGS, THORAX, OR RESPIRATION: "FIBROSIS, FOCAL (PNEUMOCONIOSIS)"
National Technical Information Service. Vol. OTS0510576-18,