Heads Up 9th November 2016

HEADS UP

CLEAPSS Important information on chemical storage

FAO Headteachers/ Heads of Science in Secondary Schools & Special Schools


Please find below an important message from CLEAPSS regarding the storage of 2,4 DNP (Dinitrophenyl hydrazine) in chemical stores.

Please ensure any appropriate action is taken based on the information provided.


 

Do you have any 2,4-DNP in your chemical store?

CLEAPSS has become aware that many schools are holding stocks of 2,4 DNP that has not been stored correctly.

2,4-DNP (2,4-dinitrophenylhydrazine, technically called 2,4-DNPH) should be stored as perHazcard 30. If the chemical has been stored as per our guidance then this chemical is safe to use.


If your 2,4 DNP has not been stored in the correct manner ie: the reagent bottle has not been placed inside an additional container of water or the water in the outer container has dried out, you must assume that the 2,4 DNP has dried out

If this is the case, DO NOT open the reagent bottle.

Call the CLEAPSS Helpline, for further advice. Tel: 01895 251 496

Specific advice on 2,4-DNP can be found on the CLEAPSS website.

 

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