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N-Methyl-1,3-propanediamine

N-Methyl-1,3-propanediamine structure

CAS No.: 6291-84-5

Chemical Name:: N-Methyl-1,3-propanediamine

Synonyms: MAPA;N1-Methylpropane-1,3-diaMine;N-METHYL-1,3-DIAMINOPROPANE;3-(METHYLAMINO)PROPYLAMINE;N-Methyl-1,3-diaminopropane,3-(Methylamino)propylamine, N-Methyl-1,3-propanediamine;UNQ6169;PRO20174;FENTAMINE MAPA;RARECHEM AL BW 0071;-1,3-diaminopropane

CBNumber:: CB5401750

Molecular Formula:: C4H12N2

Molecular Weight:: 88.15

MDL Number:: MFCD00008209

MOL File:: 6291-84-5.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-10-27 18:05:29

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N-Methyl-1,3-propanediamine Properties

Melting point	-72 °C
Boiling point	143 °C
Density	0.86
vapor pressure	13.331hPa at 39.37℃
refractive index	1.45
Flash point	36 °C
storage temp.	2-8°C
solubility	Completely miscible in water
pka	10.60±0.10(Predicted)
form	clear liquid
color	Colorless to Almost colorless
PH	13.5 (100g/l, H2O, 20℃)
explosive limit	1.8-12.8%(V)
Water Solubility	1000g/L at 25℃
BRN	878143
Henry's Law Constant	1.4×10³ mol/(m³Pa) at 25℃, Nguyen (2013)
InChI	1S/C4H12N2/c1-6-4-2-3-5/h6H,2-5H2,1H3
InChIKey	QHJABUZHRJTCAR-UHFFFAOYSA-N
SMILES	CNCCCN
LogP	-0.66
CAS DataBase Reference	6291-84-5(CAS DataBase Reference)
FDA UNII	4YP367238K
EPA Substance Registry System	N-Methyl-1,3-propanediamine (6291-84-5)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS02,GHS05,GHS07

Signal word

Danger

Hazard statements

H226-H302+H312+H332-H314

Precautionary statements

P210-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338

PPE

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Hazard Codes

F,C,Xi

Risk Statements

10-20/21/22-34

Safety Statements

16-26-36/37-45

RIDADR

UN 2734 8/PG 2

WGK Germany

RTECS

TX8242500

TSCA

TSCA listed

HazardClass

PackingGroup

HS Code

29212900

Storage Class

3 - Flammable liquids

Hazard Classifications

Acute Tox. 4 Dermal
Acute Tox. 4 Inhalation
Acute Tox. 4 Oral
Eye Dam. 1
Flam. Liq. 3
Skin Corr. 1A

REACH Registrations

Active

Limited Quantities

1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid)

Excepted Quantities

Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)

NFPA 704

	2
4		0

N-Methyl-1,3-propanediamine price More Price(30)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	127027	N-Methyl-1,3-diaminopropane 98%	6291-84-5	25g	$49.6	2026-04-30	Buy
Sigma-Aldrich	127027	N-Methyl-1,3-diaminopropane 98%	6291-84-5	100g	$166	2026-04-30	Buy
TCI Chemical	M0599	N-Methyl-1,3-diaminopropane >98.0%(GC)	6291-84-5	25mL	$62	2026-04-30	Buy
TCI Chemical	M0599	N-Methyl-1,3-diaminopropane >98.0%(GC)	6291-84-5	100mL	$143	2026-04-30	Buy
Biosynth	GAA29184	N-Methyl-1,3-propanediamine	6291-84-5	50g	$900	2026-06-04	Buy

Product number	Packaging	Price	Buy
127027	25g	$49.6	Buy
127027	100g	$166	Buy
M0599	25mL	$62	Buy
M0599	100mL	$143	Buy
GAA29184	50g	$900	Buy

N-Methyl-1,3-propanediamine Chemical Properties, Uses, Production

Chemical Properties

clear liquid

Uses

N-Methyl-1,3-diaminopropane (MeDAP) has been used as a structure directing molecule in the synthesis of two crystalline aluminophosphates. It has also been used in the synthesis of an intermediate of alfuzosin and lapyrium chloride with lipases as catalysts.

General Description

Dark amber liquid.

Air & Water Reactions

Highly flammable. Water soluble.

Reactivity Profile

N-METHYL-1,3-PROPANEDIAMINE neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.

Health Hazard

ACUTE/CHRONIC HAZARDS: N-METHYL-1,3-PROPANEDIAMINE is flammable and corrosive.

Fire Hazard

N-METHYL-1,3-PROPANEDIAMINE is flammable.

Flammability and Explosibility

Flammable

N-Methyl-1,3-propanediamine Preparation Products And Raw materials

Raw materials

Preparation Products

tetrahydro-1-methyl-1H-pyrimidine-2-thione

N-Methyl-1,3-propanediamine Suppliers

Global Suppliers ( 246)

Supplier	Tel	Email	Country	ProdList	Advantage
Changzhou Runteng Pharmaceutical Technology Co., Ltd	18094409333	3234573@qq.com	China	8	58
Changzhou DongChen Pharmaceutical Co., Ltd.	0519-88995800 13815038136;13815038136	gjf@dcpharmtech.com	China	62	55
Watson Chemistry (Changzhou) Co.,Ltd.	0519-86627600 13775194445	xwz@eastfine.net	China	18	58
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44567	61
Beijing Ouhe Technology Co., Ltd	13552068683 13522913783	2355560935@qq.com	China	11774	60
Shanghai Longsheng chemical Co.,Ltd.	58099637 13585536065	sales@shlschem.com	China	9880	59
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64

Supplier	Advantage
Changzhou Runteng Pharmaceutical Technology Co., Ltd	58
Changzhou DongChen Pharmaceutical Co., Ltd.	55
Watson Chemistry (Changzhou) Co.,Ltd.	58
J & K SCIENTIFIC LTD.	76
Alfa Aesar	84
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Beijing Ouhe Technology Co., Ltd	60
Shanghai Longsheng chemical Co.,Ltd.	59
Shanghai Hanhong Scientific Co.,Ltd.	64

View Latest Price from N-Methyl-1,3-propanediamine manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-08-20	N-METHYL-1,3-PROPANEDIAMINE 6291-84-5	$1.10	1g	99.00%	100 Tons Min	Dideu Industries Group Limited
2024-04-12	N-METHYL-1,3-PROPANEDIAMINE 6291-84-5		1kg	99%	2000ton	Shaanxi Haibo Biotechnology Co., Ltd
2023-10-22	3-Aminopropylmethylamine 6291-84-5		1drums	99%min.	10tons	Shanghai Xinchem Co., Ltd.

N-METHYL-1,3-PROPANEDIAMINE
6291-84-5
$1.10
99.00%
Dideu Industries Group Limited

N-METHYL-1,3-PROPANEDIAMINE
6291-84-5
$0.00
99%
Shaanxi Haibo Biotechnology Co., Ltd

3-Aminopropylmethylamine
6291-84-5
99%min.
Shanghai Xinchem Co., Ltd.

N-Methyl-1,3-propanediamine Spectrum

N-METHYL-1,3-PROPANEDIAMINE(6291-84-5)MS N-METHYL-1,3-PROPANEDIAMINE(6291-84-5)¹HNMR N-METHYL-1,3-PROPANEDIAMINE(6291-84-5)¹³CNMR N-METHYL-1,3-PROPANEDIAMINE(6291-84-5)IR1 N-METHYL-1,3-PROPANEDIAMINE(6291-84-5)Raman

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N-METHYL-1,3-PROPANE FENTAMINE MAPA N-Methyl-1,3-propanediaMine, 99% 250ML N-Methyl-1,3-diaMinop N-Methyl-1,3-diaMinopropane 98% 3-(Methylamino)propylamine technical, >=97.0% (GC) N1-METHYLPROPAN-1,3-DIAMINE N-methylpropanediamine METHYLAMINO PROPYLAMINE (3-Aminopropyl)methylamine 1-Amino-3-(methylamino)propane 3-Amino-1-(methylamino)propane 3-N-METHYLAMINO PROPYLAMINE 3-METHYLAMINO-1-PROPYLAMINE N-METHYLTRIMETHYLENEDIAMINE N-METHYL-PROPANE-1,3-DIAMINE N-METHYL-1,2-PROPANEDIAMINE RARECHEM AL BW 0071 N-Methyl-1,3-propylenediamine n-methyl-3-propanediamine N1-Methyl-1,3-propanediamine 1,3-Propanediamine,N1-methyl- 3-(Methylamino)propylamine, N-Methyl-1,3-propanediamine γ-(Methylamino)propan-1-amine .gamma.-(Methylamino) propylamine N-Methyl-1,3-propanediamine,99% N-Methyl-1,3-diaminopropane> -1,3-diaminopropane (R)-4-((2R,3S)-3-(((tert-butyldimethylsilyl)oxy)methyl)-4-oxoazetidin-2-yl)-3-oxopentanoic 4-nitrobenzoic anhydride N-METHYL-1,3-PROPANEDIAMINE ISO 9001：2015 REACH 3- Methyl Amino Propyl Amine [MAPA] N-Methyl-1,3-diaminopropane PRO20174 UNQ6169 3-(METHYLAMINO)PROPYLAMINE MAPA N1-Methylpropane-1,3-diaMine N-METHYL-1,3-DIAMINOPROPANE N-Methyl-1,3-diaminopropane,3-(Methylamino)propylamine, N-Methyl-1,3-propanediamine 3-Methyl Propyl Amine N-Methyl-1,3-propanediamine 6291-84-5 CH3NHCH23NH2 Building Blocks Nitrogen Compounds Organic Building Blocks Polyamines pharmacetical