ChemicalBook >> CAS DataBase List >>1,3-Bis(3-aminopropyl)tetramethyldisiloxane

1,3-Bis(3-aminopropyl)tetramethyldisiloxane

1,3-Bis(3-aminopropyl)tetramethyldisiloxane structure

CAS No.: 2469-55-8

Chemical Name:: 1,3-Bis(3-aminopropyl)tetramethyldisiloxane

Synonyms: 1,3-BIS(3-AMINOPROPYL)-1,1,3,3-TETRAMETHYLDISILOXANE;BIS(3-AMINOPROPYL)TETRAMETHYLDISILOXANE;1,3-BIS(AMINOPROPYL)TETRAMETHYLDISILOXANE;1,3-Bis(3-aminopropyl)-1,1,3,3-tetramethyldislloxane;b1710;DK236;DK694;ar96447;DKSI067;DKFELEX0177

CBNumber:: CB2364269

Molecular Formula:: C10H28N2OSi2

Molecular Weight:: 248.51

MDL Number:: MFCD00039786

MOL File:: 2469-55-8.mol

MSDS File:: SDS

Last updated:2026-05-28 00:24:05

Product description	Number	Pack Size	Price
1,3-Bis(3-aminopropyl)tetramethyldisiloxane [Monomer for silicon modified polyamides] >83.0%(GC)	B1552	5g	$23
1,3-Bis(3-aminopropyl)tetramethyldisiloxane [Monomer for silicon modified polyamides] >83.0%(GC)	B1552	25g	$60
1,3-Bis(aminopropyl)tetramethyldisiloxane	202407	100.00g	$216
1,3-Bis(aminopropyl)tetramethyldisiloxane	202407	250.00g	$454
1,3-Bis(aminopropyl)tetramethyldisiloxane 83%	B53372	5g	$28
More product size

Request For Quotation

1,3-Bis(3-aminopropyl)tetramethyldisiloxane Properties

Boiling point	132 °C11 mm Hg(lit.)
Density	0.901 g/mL at 20 °C(lit.)
vapor pressure	0.27Pa at 20℃
refractive index	n20/D 1.451
Flash point	91°C
storage temp.	Inert atmosphere,2-8°C
form	clear liquid
pka	10.96±0.10(Predicted)
Specific Gravity	0.897
color	Colorless to Light yellow to Light orange
Viscosity	4.7mm2/s
Water Solubility	Slightly soluble in water.
Sensitive	Air Sensitive
Hydrolytic Sensitivity	4: no reaction with water under neutral conditions
BRN	1760876
InChIKey	GPXCORHXFPYJEH-UHFFFAOYSA-N
LogP	1.3 at 20℃
CAS DataBase Reference	2469-55-8(CAS DataBase Reference)
EPA Substance Registry System	1-Propanamine, 3,3'-(1,1,3,3-tetramethyl-1,3-disiloxanediyl)bis- (2469-55-8)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS05

Signal word

Danger

Hazard statements

H227-H314

Precautionary statements

P210-P260-P264-P280-P301+P330+P331+P310-P303+P361+P353+P310+P363-P304+P340+P310-P305+P351+P338+P310-P370+P378-P403+P235-P405-P501-P210e-P260h-P303+P361+P353-P305+P351+P338-P501a

Hazard Codes

Risk Statements

Safety Statements

26-28-36/37/39-45-36/37/38

RIDADR

UN 3267 8/PG 2

WGK Germany

RTECS

JM9235000

10-21

TSCA

TSCA listed

HazardClass

PackingGroup

III

HS Code

29319090

Toxicity

LD50 ipr-mus: 80 mg/kg RCRVAB 38,975,69

REACH Registrations

Active

Limited Quantities

5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)

Excepted Quantities

Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)

NFPA 704

	2
3		0

1,3-Bis(3-aminopropyl)tetramethyldisiloxane price More Price(31)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	B1552	1,3-Bis(3-aminopropyl)tetramethyldisiloxane [Monomer for silicon modified polyamides] >83.0%(GC)	2469-55-8	5g	$23	2026-04-30	Buy
TCI Chemical	B1552	1,3-Bis(3-aminopropyl)tetramethyldisiloxane [Monomer for silicon modified polyamides] >83.0%(GC)	2469-55-8	25g	$60	2026-04-30	Buy
Matrix Scientific	202407	1,3-Bis(aminopropyl)tetramethyldisiloxane	2469-55-8	100.00g	$216	2026-05-18	Buy
Matrix Scientific	202407	1,3-Bis(aminopropyl)tetramethyldisiloxane	2469-55-8	250.00g	$454	2026-05-18	Buy
Synthonix	B53372	1,3-Bis(aminopropyl)tetramethyldisiloxane 83%	2469-55-8	5g	$28	2026-05-06	Buy

Product number	Packaging	Price	Buy
B1552	5g	$23	Buy
B1552	25g	$60	Buy
202407	100.00g	$216	Buy
202407	250.00g	$454	Buy
B53372	5g	$28	Buy

1,3-Bis(3-aminopropyl)tetramethyldisiloxane Chemical Properties,Uses,Production

Description

1,3-Bis(3-aminopropyl)tetramethyldisiloxane is a valuable diamino-functional siloxane monomer and modifier. Its unique combination of flexible siloxane backbone and reactive amine groups makes it essential for creating flexible, tough silicones, modifying epoxy resins, synthesizing siloxane-containing polymers (polyamides, polyimides), and enhancing adhesion in various materials applications. Its moisture sensitivity requires careful handling and storage.

Chemical Properties

Clear colorless to pale yellow liquid

Uses

1,3-Bis(3-aminopropyl)tetramethyldisiloxane is an endcapper for the synthesis of aminopropyl-terminated silicone fluids and for the production of silicone-epoxy and silicone polyimide copolymers especially useful in electronics applications. A unique manufacturing process insures that It has only gamma - aminopropyl substitution and none of the beta isomer. This is expected to give better reactivity in copolymer synthesis and improved heat stability.
1,3-Bis(3-aminopropyl)tetramethyldisiloxane is an alkaline material due to its amine reactive groups. Care should be exercised in handling it to prevent contact with skin and eyes. Wear safety glasses with side shields and rubber gloves when handling.

Uses

1,3-Bis(aminopropyl)tetramethyldisiloxane is used as a curing agent for epoxy molding compounds, which is utilized for high-reliability semiconductor devices. It is also used to prepare siloxane- urea copymers from 4,4-diphenylmethane diisocyanate.

Production Methods

A glass flask with a stirrer, reflux condenser, thermometer, and dropping funnel was charged with N, N-bis(trimethylsilyl)allylamine. A 4% isopropyl alcohol solution of H2 PtCl6.6H2 O. From the funnel, dimethyl ethoxy silane was added dropwise to the flask at 70° C. over 3 hours for hydrosilylation reaction. The reaction solution was ripened for one hour at the temperature. After adding ethanol and dodecylbenzenesulfonic acidd, the reaction solution was refluxed for 6 hours, completing the desilylation reaction. The reaction solution was transferred to a distillation apparatus where the ethanol and trimethyl ethoxy silane were distilled under atmospheric pressure. Water was added to the remainder, which was refluxed for 2 hours. Vacuum distillation was then carried out to collect 1,3-Bis(3-aminopropyl)tetramethyldisiloxane.

Reactivity Profile

1,3-Bis(3-aminopropyl)tetramethyldisiloxane participate in typical amine reactions: epoxy curing (forming crosslinks), isocyanate reactions (forming ureas), salt formation, Michael additions, condensation reactions, etc. The siloxane Si-O bonds can hydrolyze under acidic or basic conditions.

Flammability and Explosibility

Non flammable

Safety Profile

Poison by intraperitoneal route. When heated to decomposition it emits toxic vapors of NOx.

1,3-Bis(3-aminopropyl)tetramethyldisiloxane Preparation Products And Raw materials

Raw materials

DIMETHYLETHOXYSILANE Ethanol N-ALLYL-N N-BIS(TRIMETHYLSILYL)AMINE

Preparation Products

1,3-Bis(3-aminopropyl)tetramethyldisiloxane Suppliers

Global( 278)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shanghai Daken Advanced Materials Co.,Ltd	+86-2158073036	info@dakenam.com	China	14026	58
Hubei Changfu Chemical Co., Ltd.	+86-02784396550 +86-17721064038	sales@cfsilanes.com	China	480	58
Dongguan City Betterly New Materials co.,Ltd	+86-13713468294	sadie@betely.com	China	39	58
Shanghai Zhuangming Biopharma Co., Ltd.		inquiry@zmsilane.com	China	725	58
Nanjing Paron Technology Co., Ltd	+86-13770590702 +86-13770590702	arthur@parontek.com	China	235	58
Hebei Chuanghai Biotechnology Co., Ltd	+8615531151365	mina@chuanghaibio.com	China	18126	58
Hebei Zhuanglai Chemical Trading Co Ltd	+86-16264648883	niki@zlchemi.com	China	7245	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21585	55
Shanghai Time Chemicals CO., Ltd.	+86-021-57951555 +8617317452075	jack.li@time-chemicals.com	China	1803	55
Nanjing ChemLin Chemical Industry Co., Ltd.	025-83697070	product@chemlin.com.cn	CHINA	3009	60

Supplier	Advantage
Shanghai Daken Advanced Materials Co.,Ltd	58
Hubei Changfu Chemical Co., Ltd.	58
Dongguan City Betterly New Materials co.,Ltd	58
Shanghai Zhuangming Biopharma Co., Ltd.	58
Nanjing Paron Technology Co., Ltd	58
Hebei Chuanghai Biotechnology Co., Ltd	58
Hebei Zhuanglai Chemical Trading Co Ltd	58
Henan Tianfu Chemical Co.,Ltd.	55
Shanghai Time Chemicals CO., Ltd.	55
Nanjing ChemLin Chemical Industry Co., Ltd.	60

View Lastest Price from 1,3-Bis(3-aminopropyl)tetramethyldisiloxane manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-07-17	1,3-Bis(3-aminopropyl)-1,1,3,3-tetramethyldisiloxane 2469-55-8			98%	500tons	Hubei Changfu Chemical Co., Ltd.
2026-07-17	1,3-Bis(3-aminopropyl)-1,1,3,3-tetramethyldisiloxane 2469-55-8	$5.00	1KG	99%	200mt/year	Jinan Finer Chemical Co., Ltd
2025-06-27	1,3-Bis(3-aminopropyl)tetramethyldisiloxane 2469-55-8	$10.00-30.00	50KG	99%	500000kg	Hebei Chuanghai Biotechnology Co., Ltd

1,3-Bis(3-aminopropyl)-1,1,3,3-tetramethyldisiloxane
2469-55-8
98%
Hubei Changfu Chemical Co., Ltd.

1,3-Bis(3-aminopropyl)-1,1,3,3-tetramethyldisiloxane
2469-55-8
$5.00
99%
Jinan Finer Chemical Co., Ltd

1,3-Bis(3-aminopropyl)tetramethyldisiloxane
2469-55-8
$10.00-30.00
99%
Hebei Chuanghai Biotechnology Co., Ltd

1,3-Bis(3-aminopropyl)tetramethyldisiloxane Spectrum

1,3-Bis(3-aminopropyl)tetramethyldisiloxane(2469-55-8)MS 1,3-Bis(3-aminopropyl)tetramethyldisiloxane(2469-55-8)¹HNMR 1,3-Bis(3-aminopropyl)tetramethyldisiloxane(2469-55-8)IR1

2469-55-8(1,3-Bis(3-aminopropyl)tetramethyldisiloxane)Related Search:

1,3-BIS[(ACRYLOXYMETHYL)PHENETHYL]TETRAMETHYLDISILOXANE 1,3-BIS(CHLORODIMETHYLSILYL)PROPANE 1,3-BIS(3-CHLOROPROPYL)TETRAMETHYLDISILOXANE 1,3-Bis(chloromethyl)-1,1,3,3-tetramethyldisiloxane 1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane

1,3-BIS(METHACRYLOXY)-2-TRIMETHYLSILOXYPROPANE 1,3-BIS(DICHLOROMETHYL)-1,1,3,3-TETRAMETHYLDISILOXANE 1,3-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE 1,3-BIS(CHLOROMETHYL)-1,1,3,3-TETRAKIS(TRIMETHYLSILOXY)DISILOXANE 1,3-BIS(TRICHLOROSILYL)PROPANE

BIS(TRIDECAFLUORO-1,1,2,2-TETRAHYDROOCTYL)TETRAMETHYLDISILOXANE 1,4-Bis(aminomethyl)benzene 1,1,3,3-Tetramethyldisiloxane Pentamethyldisiloxane 1,3-BIS(3-AMINOPROPYL)TETRAMETHYLDISILOXANE

Hexamethyldisiloxane 3-AMINOPROPYLPENTAMETHYLDISILOXANE 1,3-DIETHYLTETRAMETHYLDISILOXANE

1of4

1,3-BIS(3-AMINOPROPYL)TETRAMETHYLDISILOXANE BIS(AMINOPROPYL)TETRAMETHYLDISILOXANE TETRAMETHYL-1,3-BIS(3-AMINOPROPYL)DISILOXANE 1-Propanamine,3,3’-(1,1,3,3-tetramethyl-1,3-disiloxanediyl)bis- 3,3’-(1,1,3,3-tetramethyl-1,3-disiloxanediyl)bis-1-propanamin 3,3’-(1,1,3,3-tetramethyl-1,3-disiloxanediyl)bis-1-Propanamine 9-diamine,4,4,6,6-tetramethyl-5-oxa-6-disilanonane-1 ar96447 b1710 bis(.gamma.-Aminopropyl)tetramethyldisiloxane oxybis((3-aminopropyl)dimethyl-silan 1,3-bis(3-aminopropyl)-1,1,3,3-tetramethyl-disiloxan 1,3-bis(3-aminopropyl)tetramethyldislloxane 1,9-diamino-4,4,6,6-tetramethyl-5-oxa-4,6-disilanonane 4,4,6,6-tetramethyl-5-oxa-4,6-disila-nonanediyldiamine 1,3-Bis(3-aminopropyl)-1,1,3,3-tetramethyldislloxane oxybis((3-aminopropyl)dimethylsilane) 3,3'-(1,1,3,3-tetramethyldisiloxane-1,3-diyl)bispropylamine 1,3-BIS(3-AMINOPROPYL)-1,1,3,3-TETRAMETH 1,3-BIS(3-AMINOPROPYL)-1,1,3,3-TETRAMETH YLDISILOXA 1,3-Bis(3-aminopropyl)tetramethyldisiloxane [Monomer for silicon modified polyamides] 1,1,3,3-Tetramethyl-1,3-bis(3-aminopropyl)propanedisiloxane 1,1,3,3-Tetramethylpropanedisiloxane-1,3-di(propane-1-amine) 1,3-Bis(3-aminopropyl)-1,1,3,3-tetramethylpropanedisiloxane 4,4,6,6-Tetramethyl-4,6-disila-5-oxanonane-1,9-diamine Bis[(3-aminopropyl)dimethylsilyl] ether Bis[dimethyl(3-aminopropyl)silyl] ether 1,3-Bis(3-aminopropyl)tetramethyldisiloxane ,97% 3-[[3-aminopropyl(dimethyl)silyl]oxy-dimethylsilyl]propan-1-amine 1,3-Bis(3-aminopropyl)tetrameyldisiloxane BIS(AMINOPROPYL)TETRA 1,3-Bis(3-aminopropyl)tetramethyldisiloxane [Monomer for silicon modified polyamides]> Amino Capper DK236 DK694 3,3'-(1,1,3,3-Tetramethyl-1,3-disiloxanediyl)bis[1-propanamine 3,3'-(1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(propan-1-amine) DKFELEX0177 DKSI067 1,3-BIS(3-AMINOPROPYL)TETRAMETHYLDISILOXANE 97% 3,3'-(1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(propan-1-amine) 1,3-bis(3-aminopropyl)-1,1,3,3-tetramethyldisiliconoxyalkane 1,3-BIS(3-AMINOPROPYL)-1,1,3,3-TETRAMETHYLDISILOXANE 1,3-BIS(AMINOPROPYL)TETRAMETHYLDISILOXANE BIS(3-AMINOPROPYL)TETRAMETHYLDISILOXANE 2469-55-8 C10H28N2O1Si2 C10H28N2OSi2 Siloxanes Si-O Compounds Si (Classes of Silicon Compounds) Organosilicon Organometallic Reagents Si (Classes of Silicon Compounds) Siloxanes Si-O Compounds