CMMAC Services, Department of Chemistry, National University of Singapore
Risk Assessment for Samples from HEDM Laboratory
This form must be submitted to the respective CMMAC facility for approval. The sample should be sent
only upon approval. All sections must be completed.
Name of Principal Investigator
Name and Status of Research Worker
Ref. No.
A.
Project Title - specify the project under which the compound has been synthesized
 Project 6/1. Preparation, purification and characterization of N 2O5
 Project 6/2. Selective nitration reactions using N 2O5 - Nitration of pentafluorohydroxybenzene to
produce the corresponding nitrate
 Project 6/2 Selective nitration reactions using N 2O5 - Nitration of pentafluorobenzene to produce
the nitro derivative
 Project 6/3 Preparation of ammonium dinitramide
 Project 6/4. To determine the cause of the anomalous behaviour of ADN at about 60°C and to find
a solution to this problem
 *Project 7/1. Curing of HTPB (hydroxy terminated polybutadiene) with isocyanate
 *Project 7/2. Curing of HTPB without isocyanate
 *Project 7/3. Curing of GAP (glycidyl azide polymer) with isocyanate
 *Project 7/4. Curing of GAP without isocyanate
 None of the above
Note: Report of the Visiting Panel, 20 December 2002
 All parts of this program were planned to be carried out in the HEDM laboratories at NUS.
* All aspects of this proposal were planned to be carried out in the HEDM laboratories.
B.
Compound to be analysed:
MSDS of compound must be attached.
Chemical name:
Chemical structure:
Formula:
CAS Registry No.
Purity:
Possible impurities:
Reagents used to prepare compound:
Properties
 Explosive under shock/heat/pressure/contact with metals/others (specify)
 Carcinogenic
 Teratogenic
 Toxic
 Mutagenic
 Corrosive
 Flammable
 Others, specify
Physical and chemical properties
Appearance
Boiling point
Melting point
Vapour pressure
Odour
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Stability and Reactivity
Stability
Incompatibilities
Hazardous combustion or decomposition products
Hazardous polymerization
Toxicological Information – irritation to skin, eye, mucous membranes and upper respiratory tract
or harmful if inhaled
Handling requirements
All analysed samples are to be returned and disposed by HEDM.
C.
Known or expected risks associated with the handling and analysis of this substance. Latest risk
assessment on the required analysis by HEDM Lab must be submitted.
D.
For carcinogens (known/suspect)
Does it have an Occupational Exposure Standard or Maximum Exposure Limit ?
E.
If any of the above hazards in Section B are expected, indicate which safety resources within the
Department of Chemistry are to be used to deal with these hazards.
F.
If no such safety resources exist within the Department of Chemistry, indicate how the expected
hazards are to be dealt with.
G.
Emergency action if:
Spill:
Fire:
Signature of Research Worker
Date
Signature of Principal Investigator
Date
Append separate sheets for any section of the form if necessary.
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This portion to be filled in by Lab-in-charge together with Lab Manager. If in doubt, consult the Director of
CMMAC / Departmental Safety Committee
Based on the submission above, can the sample be safely analysed in your laboratory ?
 Yes
 No
Reasons:
Signature of Lab-in-Charge
Date:
Signature of Lab Manager/Director, CMMAC
Date:
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