Butyl ethyl ether

Modify Date: 2025-08-22 19:07:18

Butyl ethyl ether Structure
Butyl ethyl ether structure
Common Name Butyl ethyl ether
CAS Number 628-81-9 Molecular Weight 102.17500
Density 0.75 g/mL at 25 °C(lit.) Boiling Point 91-92 °C(lit.)
Molecular Formula C6H14O Melting Point -124 °C
MSDS Chinese USA Flash Point 22 °F
Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Danger

 Names

Name 1-ethoxybutane
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.75 g/mL at 25 °C(lit.)
Boiling Point 91-92 °C(lit.)
Melting Point -124 °C
Molecular Formula C6H14O
Molecular Weight 102.17500
Flash Point 22 °F
Exact Mass 102.10400
PSA 9.23000
LogP 1.82300
Vapour Pressure 52 mm Hg ( 25 °C)
Index of Refraction n20/D 1.382(lit.)
Stability Stable, but may form peroxides in storage if in contact with air. Highly flammable. Incompatible with oxidizing agents.

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
KN4725000
CHEMICAL NAME :
Ether, butyl ethyl
CAS REGISTRY NUMBER :
628-81-9
LAST UPDATED :
199806
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C6-H14-O
MOLECULAR WEIGHT :
102.20
WISWESSER LINE NOTATION :
4O2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1870 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 4,119,1951
TYPE OF TEST :
LC - Lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>1000 ppm/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 4,119,1951
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
153 gm/m3/15M
TOXIC EFFECTS :
Behavioral - general anesthetic
REFERENCE :
ANESAV Anesthesiology. (Lippincott/Harper, Journal Fulfillment Dept., 2350 Virginia Ave., Hagerstown, MD 21740) V.1- 1940- Volume(issue)/page/year: 11,455,1950 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84606 No. of Facilities: 8 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 24 (estimated)

 Safety Information

Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Danger
Hazard Statements H225-H302
Precautionary Statements P210
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xn: Harmful;F: Flammable;
Risk Phrases R11
Safety Phrases S16-S23
RIDADR UN 1179 3/PG 2
WGK Germany 1
RTECS KN4725000
Packaging Group II
Hazard Class 3

 Synthetic Route

 Synonyms

ethyl n-butyl ether
ethoxy-n-butane
EINECS 211-055-7
2-n-butoxyethane
Ethyl butyl ether
UN1179
Butane,1-ethoxy
BUTYL ETHYL ETHER
n-Butyl ethyl ether
MFCD00009455
Ether,butyl ethyl
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