Dytek® A 2-Methylpentamethylenediamine (MPMD)

Product Information

Molecular Structure
IUPAC Name	2-methylpentane-1,5-diamine
CAS Number	15520-10-2
Other Names	2-METHYLPENTAMETHYLENEDIAMINE 2-Methylpentane-1,5-diamine 1,5-Diamino-2-methylpentane 2-Methyl-1,5-pentanediamine 1,5-Pentanediamine, 2-methyl- Dytek® A
Molecular Formula	C₆H₁₆N₂
Molecular Weight	116.208 g/mol
Description	Clear low viscosity liquid, free of suspended materials
Typical Composition (wt %)	2-Methylpentamethylenediamine 99.0 Methylcyclopentanediamine 0.6 2-Ethyltetramethylenediamine 0.3 Water 0.02

Property Name	Value
Boiling Point, °C(°F)	192 (378)
Freezing Range, °C(°F)	–50-–60 (-58-–76)
Flash Point, (CC), °C(°F)	83 (181)
Specific Gravity, 25°C (77°F)	0.86
Viscosity, cP, 25°C (77°F)	2.63
Refractive Index, nD, 25°C (77°F)	1.4588
Surface Tension, dyn/cm, 24°C (77°F)	34.9
Partition Coefficient, Kow	0.8
Solubility in Water	Miscible
Hansen Solubility Parameters	Overall δ 10.4 Nonpolar δD 8.2 Polar δp 3.1 H-Bonding δH 5.5
pH, 5% Aqueous Solution, 25°C	12.1
pKa1, 25°C (77°F)	11.2
pKa2, 25°C (77°F)	10.0
Amine Value, mg KOH/g	967
Amine Equivalent Weight	58
H-Equivalent Weight	29
Heat of Vaporization, ΔHv, 193°C, cal/g	92.8
Heat of Combustion, ΔHc, cal/g	9100
Critical Properties: Tc, °C	383
Critical Properties: Vc, mL/ mol	424
Critical Properties: Pc, atm	35.3

DYTEK® A
15520-10-2

Diethyl Maleate
141-05-9

N,N'-(2-methyl-1,5-pentanediyl)bis-, 1,1',4,4'-tetraethyl ester
168253-59-6

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