Lime (unslaked)


Greyish-white or white in colour.


Non-IMSBC Code information -  Dry in forms of either lumps, granules or powder, composing mainly of calcium oxide and traces of magnesia and trace elements. Soluble in water and glycerin but not in alcohol. Mp: 2570C, bp: 2850C. Is prepared by heating limestone. See cargo "limestone" for more information under this category. Used in various processes e.g. in (1) pyrometallurgical processes- fluxing and purification of metals, (2) aqueous processes - neutralisation of acids and (3) chemical processes - as causticising agent. Also used as a source of calcium for various chemical and building products and for soil stabilisation.

Trade Names (Synonyms)
Calcium oxide - Dolomitic quicklime - Quicklime - airlock - bell cml (E) - burnt lime - calcia - caloxol CP2 - caloxol W3 - calx - calxyl - CML 21 - CML 31- desical P- lime- lime,burned- lime, unslaked- oxyde de calcium (french) - rhenosorb C - rhenosorb F- wapniowy tlenek ( polish)-lime purified - fluxing lime - unhydrated lime - white rock.


If you are a member, please login using the orange button at the top of the page to view the full article, or register.

If you are unsure of your membership, wish to change your membership status, or wish to become a member please contact


Got a question or some feedback?

Contact Maritime Information

In order to ensure that the BIMCO cargo database contains updated information as far as possible, we welcome any feedback in the form of comments, response or current information or data regarding a specific cargo.

Email them

IMSBC Code webinar

BIMCO's Ai Cheng Foo presents the IMSBC Code, potential pitfalls and use.

IMSBC Code webinar

A one-hour long webinar session on the IMSBC Code, highlighting two very relevant issues for members; i.e. on “How to carry bulk cargoes safely – a shared risk?” and “ What is it – identifying cargo hazards under the IMSBC Code”.

Latest Related News

View All News


Chartering help & advice

This section contains a comprehensive source of information and guidance on chartering related matters. You will find invaluable information on many aspects of chartering distilled from our many years’ experience on advising members.