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Date of Issue : Dec 2001 1. IDENTIFICATION
General Product Name : HEXAMETHYLENETETRAMINE Other Names : HEXAMINE; METHENAMINE; HMTA; AMINOFORM ; ERRONEOUSLY "HEXAMETHYLENEAMINE" ; CYSTOGEN UN No. : 1328 Dangerous Goods Class : 4.1 Subsidiary Risk : None Allocated Hazchem Code : 1[Z] Pack Group : III EPG : 20 Poisons Schedule : N/A Uses : Curing of phenolformaldehyde and resorcinolformaldehyde resins, rubber-to- textile adhesives, protein modifier, organic synthesis, pharmaceuticals, ingredient of high explosive cyclonite, fuel tablets, rubber accelerator, fungicide, corrosion inhibitor, shrink-proofing textiles, antibacterial, catalyst for phenolic resins, ingredient in water-gel explosive formulations.
1.1 Physical Description / Properties
Appearance : White powder with slight odour of amine. Formula : C6H12N4 Boiling Point : >230 deg C Melting Point : 280 deg C Vapour Pressure : 4.9 mm Hg (1 atmosphere) Specific Gravity : 1.33 (water = 1) Flash Point : Closed Cup 250 pH : 8 - 9 () Solubility in water : Solub g/l (25 deg C) Flammability Limits (as percentage volume in air) Lower Explosion Limit : N/A Upper Explosion Limit : N/A 1.2 Other Properties
Boiling range : 230 - 270 deg C Ignition temperature : 390 deg C Solubility : soluble in water. Bulk density : 700 - 800 Kg/m3 Vapour density @ 20 deg C : 0.0035 mbar 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
Pure hexamethylenetetramine may be taken internally in small amounts and has been used in medicines as a urinary antiseptic. When swallowed inflammation of the urogenital tracts may happen. Eye
Contact with eyes causes irritation in the eyes. Skin
Contact with the skin causes skin rash. Inhaled
Low hazard for usual industrial handling. 2.2 Health Effects - Chronic
Hexamethylenetetramine is a mild poison by subcutaneous route. It is moderately toxic and a questionable carcinogen.
2.3 First Aid
Swallowed
If taken orally, make the victim drink large quantities of liquid 'Diamox'. Contact a Doctor or the immediately.
Eye
Immediately flush eyes with plenty of water for at least 15 minutes and get medical attention.
Skin
Immediately flush skin with plenty of water for at least 15 minutes. Get medical attention if symptoms remain present after washing.
Inhaled
Remove from contaminated area immediately; avoid becoming casualty. If NOT breathing apply artificial resuscitation. Experienced person may administer oxygen if breathing is difficult. Immediately transport to a hospital or doctor.
First Aid Facilities
Ensure an eye bath and safety shower is readily available.
2.5 Advice to Doctor
Treat symptomatically and supportively.
2.6 Toxicity Data
No information available.
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
No data available
3.2 Engineering Controls
General ventilation should be used to control airborne levels. A dust mask should be worn.
3.3 Personal Protection
Respiratory protection - wear suitable respiratory protcetion, if dusts are generated. Hand protection - wear chemical resistant gloves. Eye protection - wear goggles or face shield. Other protection - wear chemical resistant footwear and protective overalls.
3.4 Flammability
Flammable solid. SAFE HANDLING INFORMATION
4.1 Storage / Transport
Keep containers sealed. Store in a cool fire resistant area. NO SMOKING in storage area. Avoid contact with skin, eyes and clothing. Do not eat or drink during handling. Avoid direct heat and naked flames. Ensure equipment is earthed to prevent static charge build-up. Product sensitive to moisture and should be stored in an atmosphere at relative humidity less than 60%.
4.2 Packaging / Labelling UN No. 1328 Class 4.1 Sub Risk None Allocated Hazchem Code 1[Z] Pack Group III EPG No. 20 Shipping Name HEXAMETHYLENETETRAMINE Hazard FLAMMABLE HARMFUL
Risk Phrases R11 Highly flammable. R42/43 May cause sensitisation by inhalation and skin contact.
Safety Phrases S16 Keep away from sources of ignition. S22 Do not breathe dust. S24 Avoid contact with skin. S37 Wear suitable gloves.
4.3 Spills and Disposal
Spills
Eliminate all ignition sources (NO SMOKING). Use non-sparking tools. Wear full protective gear such as dust mask, protective overalls, safety goggles and chemical resistant gloves. Prevent material from entering into drains, water courses or sewers. If the substance enters into drains, water course or sewer, inform the Police, Fire Brigade and Local Health Authority immediately.
Collect the spilled material for disposal into suitable containers. If spill is large, cover with acid sodium sulphate, and water spray. Avoid contact with skin.
Disposal
Any waste or contaminated spills should be collected and disposed of in accordance with local and statutory regulations using a registered waste disposal contractor.
4.4 FIRE AND EXPLOSION HAZARD Fire / Explosion
Flammable solid. Product decomposes when heated above 200 deg C releasing ammonia and hydrocyanic acid vapours. Tthe substance sublimates between 230 deg C and 270 deg C without melting and with partial decomposition. Avoid contact with direct heat and naked flames. Ensure that equipment is earthed to prevent static charge build-up. Product is sensitive to moisture and should be stored in an atmosphere at relative humidity less than 60%.
Extinguishing Media
Use water spray, foam, chemical dry powder and carbon dioxide. Keep containers cool by spraying with water. Fire fighters should wear self-contained breathing apparatus and protective clothing. 5 OTHER INFORMATION
Other Information
Avoid contamination of waterways. Ecological information - Mobility = soluble in water. Resistance and degradability = Not readily biodegradable in soil and water. Aquatic toxicity = The substance causes disturbances of equilibrium in fish (disturbance threshold 5 g/L)
5.1 Contact Points
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The information above is believed to be accurate and represents the best information currently available to us. However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use.
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