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412406

Sigma-Aldrich

PAMAM dendrimer, ethylenediamine core, generation 2.0 solution

20 wt. % in methanol

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Synonym(s):
PAMAM, PAMAM-G 2
Linear Formula:
[NH2(CH2)2NH2]:(G=2);dendri PAMAM(NH2)16
CAS Number:
93376-66-0
Molecular Weight:
3256.18
MDL number:
MFCD00197936
UNSPSC Code:
12162002
NACRES:
NA.23

description

amino surface groups

Quality Level

100

form

liquid

mol wt

generation 2

feature

core type ethylenediamine core (2-carbon core)

concentration

20 wt. % in methanol

no. Surface Groups

16

refractive index

n20/D 1.362

bp

64.7 °C

density

0.86 g/mL at 25 °C

storage temp.

2-8°C

InChI

1S/C142H288N58O28/c143-29-45-159-115(201)1-73-187(74-2-116(202)160-46-30-144)101-61-175-131(217)17-89-195(90-18-132(218)176-62-102-188(75-3-117(203)161-47-31-145)76-4-118(204)162-48-32-146)109-69-183-139(225)25-97-199(98-26-140(226)184-70-110-196(91-19-133(219)177-63-103-189(77-5-119(205)163-49-33-147)78-6-120(206)164-50-34-148)92-20-134(220)178-64-104-190(79-7-121(207)165-51-35-149)80-8-122(208)166-52-36-150)113-114-200(99-27-141(227)185-71-111-197(93-21-135(221)179-65-105-191(81-9-123(209)167-53-37-151)82-10-124(210)168-54-38-152)94-22-136(222)180-66-106-192(83-11-125(211)169-55-39-153)84-12-126(212)170-56-40-154)100-28-142(228)186-72-112-198(95-23-137(223)181-67-107-193(85-13-127(213)171-57-41-155)86-14-128(214)172-58-42-156)96-24-138(224)182-68-108-194(87-15-129(215)173-59-43-157)88-16-130(216)174-60-44-158/h1-114,143-158H2,(H,159,201)(H,160,202)(H,161,203)(H,162,204)(H,163,205)(H,164,206)(H,165,207)(H,166,208)(H,167,209)(H,168,210)(H,169,211)(H,170,212)(H,171,213)(H,172,214)(H,173,215)(H,174,216)(H,175,217)(H,176,218)(H,177,219)(H,178,220)(H,179,221)(H,180,222)(H,181,223)(H,182,224)(H,183,225)(H,184,226)(H,185,227)(H,186,228)

InChI key

QYMWEDAKQRTCGD-UHFFFAOYSA-N

Related Categories

Application

Used in MRI contrast agents. Used in the condensation formation of silica nanospheres.

Physical form

Contains 16 surface primary amino groups

Legal Information

Manufactured by Dendritech®, Inc.
Dendritech is a registered trademark of Dendritech, Inc.

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1

Target Organs

Eyes

WGK

WGK 3

Flash Point(F)

49.5 °F

Flash Point(C)

9.7 °C

Regulatory Information

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Marc R Knecht et al.
Langmuir : the ACS journal of surfaces and colloids, 20(11), 4728-4732 (2005-06-23)
In diatoms, silica synthesis occurs by use of complex posttranslationally modified peptides, termed silaffins, and highly complex biological polyamine structures. Silaffin peptides have lysine residues that are modified to long-chain polyamine moieties of N-methyl derivatives of polypropylenimine to drive silica
Kobayashi, H., et al.
Magn. Reson. in Med., 50, 758-758 (2003)

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