Shipped globally from the UK

Pricing There are 2 sizes for you to choose from

  • 125ml

  • £25

  • CAS: 96-48-0
  • Free Shipping
  • No Hidden Extras
  • Same day Despatch
  • 250ml

  • £45

  • CAS: 96-48-0
  • Free Shipping
  • No Hidden Extras
  • Same day Despatch

Shipping Is always FREE!

Average Delivery Times

European Union: 5 - 10 days
Rest of World: 7 - 14 days



Orders placed before 4:00pm are shipped same day, excluding weekends & holidays.


Airmail does not have tracking.
There are no tracking numbers.


Your order will be delivered to you by
your local postal service.

GBLUK is part of Airfox Networks.

The home of the hard to find.

Established in 1998, 17 years of getting it right.
The worlds #1 Gamma-Butyrolactone retailer!

Product Detailed Product Information


  • CAS Number 96-48-0
  • Formula C4H6O2
  • Molecular Weight: 86.1
  • Melting point, ca. -43°C
  • Boiling range, 201°C - 206°C
  • Density @ 20°C , g/cm3 1.13
  • Flash point, 104°C
  • MSDS Link


  • Assay 99.9% minimum
  • Water, maximum 0.02%
  • Color, APHA maximum 20
  • 1,4 Butanediol, ppm max. 2.0
  • Acid, wt, max 0.03%
  • Foreign matter none
  • THF, area % max. 0.05
  • Acetal, area ppm max. 50


  • Chloride, wt. 0.30 ppm max
  • Sulfate, wt. 1.00 ppm max
  • Nitrate, wt. 1.00 ppm max
  • Iron, wt. 0.05 ppm max
  • Copper, wt. 0.05 ppm max
  • Zinc, wt. 0.05 ppm max
  • Lead, wt. 0.05 ppm max
  • Sodium, wt. 0.05 ppm max

The bottle

Custom manufactured for us. It's so tough you can stand on a full bottle and it wont break or leak!


The seal

The welded seal is your assurance of the quality, which is locked into the bottle when we fill it.


The packaging

Specifically designed for its journey across the globe ensuring the successful arrival of your order.

Safety Important Information!

GBL Iritant


Harmful if swallowed.
May cause severe eye irritation.
Not expected to cause skin irritation.
Avoid contact with open wounds or sore,; effects comparable to lemon juice.

GBL Spillage


Small spillage: contain, allow to evaporate naturally.
Larger spillage: can be rinsed away with water.
When rinsed away will naturally biodegrade, not expected to bioaccumulate.
Avoid spillage by storing in sealed container.

GBL First Aid

First Aid

Eyes: Gently rinse with water, seek medical attention.
Skin: Wash off with water.
Ingestion: If concious give water and induce vomiting. Seek immediate medical attention.
Notes to Physician: None known.

The MSDS supplied with the product and the information given on this page are a composite of all MSDS available to us which we believe are reliable, plus the findings of our own experiences obtained by directly handling the product on a daily basis. However, the information is provided without any warranty, expressed or implied, regarding its correctness. Some information presented and conclusions drawn herein are from sources other than direct test data on the substance itself. The conditions or methods of handling, storage, use and disposal of the product are beyond our control and may be beyond our knowledge. For this and other reasons, we do not assume any responsibility and expressly disclaim liability for loss, damage, or expense arising out of or in any way connected with handling, storage, use, or disposal of this product. If the product is used as a component in another product, the MSDS information may not be applicable.


Contact Get in touch with us

Send Us a Message

Other methods

  • Airfox Networks Ltd
    PO Box 3140
    BN21 9LP
  • 01323 406506
  • cs 'at'