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LC3951 Methenamine

for analysis Reag. Ph Eur


Order number Packaging Quantity Price €
AC30951 Plastic bottle  100 g 15.48
AC30951 Plastic bottle  500 g 21.15


Product information
Grade Reag. Ph Eur
Synonyms Hexamethylenetetramine, Hexamine, Formin®, Urotropin
Hill Formula C6H12N4
HS Code 2933 69 40
EC number 202-905-8
Molar mass 140.19 g/mol
EC indexnumber 612-101-00-2
CAS number 100-97-0


Chemical and physical data
Ignition temperature 390 °C
Solubility 895 g/l (20 °C)
Molar mass 140.19 g/mol
Density 1.33 g/cm3 (20 °C)
Bulk density 600 kg/m3
pH value 7.0 – 9.0 (100 g/l, H2O, 20 °C)
Vapor pressure (20 °C)
Flash point 250 °C


Safety information according to GHS
Hazard Statement(s) H228: Flammable solid.
H317: May cause an allergic skin reaction.
Precautionary Statement(s) P280: Wear protective gloves.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
Signal Word Warning
Hazard Pictogram(s)
Storage class 4.1B Flammable solids
WGK WGK 1 slightly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C


Safety information
R Phrase R 11-43
Highly flammable.May cause sensitization by skin contact.
S Phrase S 24-37
Avoid contact with skin.Wear suitable gloves.
Categoriesofdanger highly flammable, sensitizing
Hazard Symbol Irritant


Transport information
Declaration (transport by sea) IMDG-Code UN 1328 HEXAMETHYLENETETRAMINE, 4.1, III
Declaration (transport by air) IATA-DGR UN 1328 HEXAMETHYLENETETRAMINE, 4.1, III


Toxicological data
LD 50 oral LD50 rat 9200 mg/kg


Assay (perchloric acid titration) ≥ 99.5 %
Identity (IR-spectrum) passes test
Appearance Colorless or white to almost white crystalline powder.
pH (100 g/l, water) 7.0 – 9.0
Chloride (Cl) ≤ 0.002 %
Sulfate (SO4) ≤ 0.005 %
Heavy metals (as Pb) ≤ 0.0001 %
NH4 (Ammonium) ≤ 0.01 %
Sulfated ash (800 °C) ≤ 0.05 %


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