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Merck

1.04343

Methenamine

GR for analysis Reag. Ph Eur

Synonym(s):

Methenamine, Hexamethylenetetramine, Hexamine, Formin, Urotropin

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About This Item

Empirical Formula (Hill Notation):
C6H12N4
CAS Number:
Molecular Weight:
140.19
UNSPSC Code:
12352005
EC Index Number:
202-905-8
NACRES:
NA.21
MDL number:
Assay:
≥99.5% (perchloric acid titration)
Vapor pressure:
<0.01 hPa ( 20 °C)
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agency

reag. Ph. Eur.

Quality Level

vapor pressure

<0.01 hPa ( 20 °C)

assay

≥99.5% (perchloric acid titration)

form

solid

autoignition temp.

390 °C

potency

9200 mg/kg LD50, oral (Rat)

dilution

(for analytical testing)

pH

7-10 (20 °C, 100 g/L in H2O)

transition temp

flash point 250 °C

density

1.33 g/cm3 at 20 °C

bulk density

600 kg/m3

storage temp.

15-25°C

SMILES string

N21CN3CN(C2)CN(C1)C3

InChI

1S/C6H12N4/c1-7-2-9-4-8(1)5-10(3-7)6-9/h1-6H2

InChI key

VKYKSIONXSXAKP-UHFFFAOYSA-N

Application


  • New phosphotetradecavanadate hybrids: crystal structure, DFT analysis, stability and binding interactions with bio-macromolecules.: This article discusses the synthesis and structural analysis of new hybrids involving methenamine, offering potential applications in catalysis and material science (Pessoa JC, 2022).

Analysis Note

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 - 10.0
Chloride (Cl): ≤ 20 ppm
Sulphate (SO₄): ≤ 50 ppm
Heavy metals (as Pb): ≤ 10 ppm
NH₄ (Ammonium): ≤ 100 ppm
Sulfated ash (800 °C): ≤ 0.05 %


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pictograms

FlameExclamation mark

signalword

Warning

Hazard Classifications

Flam. Sol. 2 - Skin Sens. 1B

Storage Class

4.1B - Flammable solid hazardous materials

wgk

WGK 1

flash_point_f

482.0 °F - closed cup

flash_point_c

250 °C - closed cup



Certificates of Analysis (COA)

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