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Name	3-Methylamino-1,2-Propanediol	EINECS	254-809-0
CAS No.	40137-22-2	Density	1.064 g/cm³
PSA	52.49000	LogP	-1.05010
Solubility	miscible with water	Melting Point	69°C (estimate)
Formula	C₄H₁₁NO₂	Boiling Point	245.8 °C at 760 mmHg
Molecular Weight	105.137	Flash Point	142.7 °C
Transport Information	UN 2735	Appearance	clear colorless to pale yellow viscous liquid
Safety	26-36-37/39	Risk Codes	36/37/38
Molecular Structure		Hazard Symbols	Xi
Synonyms	(2,3-Dihydroxypropyl)methylamine;1-(Methylamino)-2,3-propanediol;1-(N-Methylamino)propane-2,3-diol;2,3-Dihydroxy-N-methylpropylamine;3-(Methylamino)-1,2-propanediol;Methyl(2,3-dihydroxypropyl)amine;N-Methyl-2,3-dihydroxy-1-propanamine;N-Methyl-2,3-dihydroxypropylamine;N-Methyl-N-(2,3-dihydroxypropyl)amine;N-Methyl-b,g-dihydroxypropylamine;N-Methylglycerylamine;	Article Data	19

3-Methylamino-1,2-Propanediol Synthetic route

: 556-52-5
oxiranyl-methanol

: 74-89-5
methylamine

: 40137-22-2
3-methylamino-propane-1,2-diol

Conditions

Conditions	Yield
at 55℃; under 225.023 - 31503.2 Torr; for 0.666667h; Pressure; Autoclave; Green chemistry;	98.99%
In water at 30℃; for 4 - 5h;	92.7%
unter Kuehlung;

: potassium N-(1,2-dihydroxypropyl)-N-methylamidosulfonate

: 40137-22-2
3-methylamino-propane-1,2-diol

Conditions

Conditions	Yield
With sulfuric acid; water at 100℃; for 8h; Hydrolysis;	95%

: 96-24-2
3-monochloro-1,2-propanediol

: 74-89-5
methylamine

: 40137-22-2
3-methylamino-propane-1,2-diol

Conditions

Conditions	Yield
With sodium hydroxide In water at 17 - 42℃; for 0.270167h;	82.4%
With sodium hydrogencarbonate; sodium hydroxide In water at 50 - 65℃; under 1125.11 Torr; for 4.33333h; Product distribution / selectivity;

: 556-52-5
oxiranyl-methanol

: 74-89-5
methylamine

A: 40137-22-2
3-methylamino-propane-1,2-diol

B: 77697-86-0
2-(methylamino)-1,3-propanediol

: 60278-98-0
3-(N-Benzyl-N-methylamino)-1,2-propanediol

: 40137-22-2
3-methylamino-propane-1,2-diol

Conditions

Conditions	Yield
With hydrogen
With hydrogen; palladium on activated charcoal In methanol under 2585.7 Torr; for 18h;

: 193483-80-6
N,N'-bis(2,3-dihydroxypropyl)-5-{2-[(2,3-dihydroxypropyl)methylamino]-2-oxoethoxy}-1,3-benzenedicarboxamide

A: 40137-22-2
3-methylamino-propane-1,2-diol

B: [3,5-Bis-(2,3-dihydroxy-propylcarbamoyl)-phenoxy]-acetic acid

Conditions

Conditions	Yield
With water at 95℃; Rate constant;

: 556-52-5
oxiranyl-methanol

: 40137-22-2
3-methylamino-propane-1,2-diol

Conditions

Conditions	Yield
In water; methylamine
With methylamine In water	25.6g (76%)

: 1-(2,2-dimethyl-1,3-dioxolan-4-yl)-N-methylmethanamine

: 40137-22-2
3-methylamino-propane-1,2-diol

Conditions

Conditions	Yield
With carbon dioxide; water at 140℃; under 22502.3 Torr; for 12h; Autoclave;

: 40137-22-2
3-methylamino-propane-1,2-diol

: 1067884-35-8
(2′Z-3′E)-6-bromoindirubin-3′-[O-(2-bromoethyl)oxime]

: 1067884-44-9
(2'Z-3'E)-6-bromoindirubin-3'-(O-{2-[N-methyl,N-(2,3-dihydroxypropyl)amino]ethyl}oxime)

Conditions

Conditions	Yield
In N,N-dimethyl-formamide at 50℃;	100%
In N,N-dimethyl-formamide at 90℃; for 0.666667h; Inert atmosphere; Microwave irradiation;

: 40137-22-2
3-methylamino-propane-1,2-diol

: sodium 1-(N-methyl-N-2,3-dihydroxypropyl)diazen-1-ium-1,2-diolate

Conditions

Conditions	Yield
With nitrogen(II) oxide; sodium methylate In methanol; diethyl ether at 20℃; under 4654.46 Torr;	98.9%
With nitrogen(II) oxide; sodium methylate In methanol; diethyl ether

3-Methylamino-1,2-Propanediol Chemical Properties

3-Methylamino-1,2-Propanediol(40137-22-2) is also named as N-METHYL-3-AMINO-1,2-PROPANEDIOL;3-(AMINOMETHYL)-1,2-PROPANEDIOL;2,3-Dihydroxy-N-methylpropylamine;3-Methylamino-1,2-Propandiol;N-Methyl-2,3-dihydroxypropylamine;1,2-Propanediol, 3-(methylamino)-;ZINC04283843;CID7167892,and so on.3-Methylamino-1,2-Propanediol(40137-22-2) at room temperature is usually a colorless to light yellow liquid.

CAS: 40137-22-2
Molecular Formula: C₄H₁₁NO₂
Molecular Weight: 105.14
Molecular structure:
EINECS: 254-809-0
Water Solubility: miscible
BRN: 1733341
ACD/LogD (pH 5.5): -4.63
ACD/LogD (pH 7.4): -3.6
ACD/BCF (pH 5.5): 1
ACD/BCF (pH 7.4): 1
ACD/KOC (pH 5.5): 1
ACD/KOC (pH 7.4): 1
H bond acceptors: 3
H bond donors: 3
Freely Rotating Bonds: 5
Index of Refraction: 1.463
Molar Refractivity: 27.2 cm³
Molar Volume: 98.7 cm³
Polarizability: 10.78 10^-24cm³
Surface Tension: 41.1 dyne/cm
Density: 1.064 g/cm³
Flash Point: 142.7 °C
Enthalpy of Vaporization: 56.11 kJ/mol
Boiling Point: 245.8 °C at 760 mmHg
Vapour Pressure: 0.00467 mmHg at 25°C

3-Methylamino-1,2-Propanediol Uses

3-Methylamino-1,2-Propanediol(40137-22-2) is mainly used for the production of non-ionic contrast agent iopromide.

3-Methylamino-1,2-Propanediol Safety Profile

Hazard Codes: Xi

Risk Statements: 36/37/38 (36/37/38: Irritating to eyes, respiratory system and skin)
Safety Statements: 26-36-37/39 (26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 36: Wear suitable protective clothing 37/39: Wear suitable gloves and eye/face protection)
RIDADR: 2735
WGK Germany: 3
F: 3-10-34
HazardClass: 8
PackingGroup: II
HS Code: 29221980

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