Showa Ether Co., Ltd.

Diethyl ether

General Information

  • Property: Clear colorless liquid, highly volatile and flammable.
  • Applications: Pharmaceuticals, Optical cleaning, Organic synthesis, Reagents.
  • Source: Obtained by the dehydration condensation reaction of ethanol catalyzed by acid.

Product Features

  • We are the only company in Japan that is licensed to manufacture and sell Diethyl ether as a pharmaceutical product based on the Japanese Pharmacopoeia.
  • We have 5 grades - industrial grade, reagent 1st grade, reagent special grade, anhydrous grade, and pharmaceutical grade.
  • We are increasing exports for reagent applications overseas.
Steel Drum 140kg

Steel drum of 140 kgs. net.

Steel Can20

Steel can of 20L net

Basic Information

CAS No.
60-29-7
Chemical formula
C2H5OC2H5
FW/MW
74.12
Specific gravity
0.7140
Flash point
-45 degree C. (SETA)
Boiling point
34.6 degree C.
Melting point
-116.3 degree C.
Solubility
60.4g/L (25 degree C.)
Appearance
Colorless clear liquid
Harmonized system (HS code)
2909.11
Country of origin
Japan
UN number
1155 (class 3/packing group I)

Specification

Industrial Grade

Purity (G.C.) 99.5% min.
Specific gravity (20/20 degree C.) 0.713 - 0.717
Evaporation residue 0.01% max.
Free acid 0.0005% max.
Peroxide Within limits
Aldehyde Within limits

Reagent 1st Grade

Purity (G.C.) 99.5% min.
Specific gravity (20/20 degree C.) 0.713 - 0.715
Moisture 0.10% max.
Alcohol content 0.05% max.
Non-volatile content 0.001% max.
Free acid 0.0005% max.
Peroxide Within limits
Aldehyde Within limits

Reagent Special Grade

Purity (G.C.) 99.5% min.
Specific gravity (20/20 degree C.) 0.713 - 0.715
Moisture 0.05% max.
Alcohol content 0.01% max.
Non-volatile content 0.001% max.
Free acid 0.0005% max.
Peroxide Within limits
Aldehyde Within limits

Anhydrous Grade

Purity (G.C.) 99.5% min.
Specific gravity (20/20 degree C.) 0.7135 - 0.7145
Moisture 0.01% max.
Alcohol content 0.01% max.
Non-volatile content 0.001% max.
Free acid 0.0005% max.
Peroxide Within limits
Aldehyde Within limits

Pharmaceutical Grade

Appearance Colorless and transparent, unique odor
Specific gravity (20/20 degree C.) 0.718 - 0.721
Offensive odor No offensive odor
Acid Within limits
Peroxide Within limits
Aldehyde Within limits
Evaporation residue 1.0mg/140ml max.

Main Applications

Pharmaceutical

  • Solvent for manufacturing intermediate
  • Solvent for purification of vaccine

Reagent manufacturing

  • Grignard reagent

Organic synthesis

  • Raw material for complex (complex salt)
  • Catalyst for polymerization (Ziegler-type catalyst)

Paint and ink

  • Solvent
  • Dispersant

Gunpowder and fuels

  • Solvent
  • Dispersant
  • Fuel additive

Fragrance

  • Solvent for extraction

Optical

  • Lens cleaner

Regulatory Approvals

ISO 9001
Certified
ISO 14001
N/A
REACH
N/A
Halal
N/A
Kosher
N/A
FDA
N/A
FSSC 22000
N/A
GMP
N/A
Japanese Industrial Standards
Certified
Japanese Pharmacopoeia
Certified

FAQ

To which countries has your export volume recently increased?
It has been increasing to countries throughout Asia.
Can any of your grades be used in the manufacture of electrical materials?
Yes; our anhydrous grade can be used for electrical materials.

End User Comments

Pharmaceutical manufacturer

“Showa Ether's Dietyl ether has acquired the Japanese Pharmacopoeia standard, so we can use it with confidence.”

Who manufactures Diethyl ether?

Showa Ether Co., Ltd.

Aerial Shoot

Introduction

  • We have been manufacturing ethers since 1933.
  • We are the only company in Japan that is licensed to manufacture and sell diethyl ether as a pharmaceutical product based on the Japanese Pharmacopoeia.
  • We manufacture high quality ethers for pharmaceuticals and electronic materials, and our export volumes have been increasing in recent years.

History

1933 Established in Kanagawa prefecture, Japan.
1948 Head office moved to Tokyo.
1986 Established Aikawa plant.
2005 Manufacture of ether, plasticizers and alcohol preparations ISO 9001:2000 certified.
2010 Manufacture of ether, plasticizers and alcohol preparations ISO 9001:2008 certified.

Company Overview (as of March 1, 2021)

Company name Showa Ether Co., Ltd.
Head office 2-4-3, Iwamoto-cho, Chiyoda-ku, Tokyo 101-0032, Japan
Date of establishment April 1933
Capital JPY 3,600 million
Number of employees 30
Location Head office:Tokyo
Plants: Kanagawa

Plants

Plant location map

Aikawa Plant

  • Ethers
  • Plasticizers
  • Alcohol formulations
  • Collodion