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245801

Sigma-Aldrich

N-(Hydroxymethyl)acrylamide solution

48 wt. % in H2O

Synonym(s):

Monomethylolacrylamide, N-(Hydroxymethyl)acrylamide, N-Methanolacrylamide

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About This Item

Linear Formula:
CH2=CHCONHCH2OH
CAS Number:
924-42-5
Molecular Weight:
101.10
Beilstein:
506646
MDL number:
MFCD00004597
UNSPSC Code:
12162002
PubChem Substance ID:
24854759
NACRES:
NA.23
Pricing and availability is not currently available.

form

liquid

contains

30 ppm monomethyl ether hydroquinone as inhibitor

concentration

48 wt. % in H2O

refractive index

n20/D 1.413

density

1.074 g/mL at 25 °C

SMILES string

OCNC(=O)C=C

InChI

1S/C4H7NO2/c1-2-4(7)5-3-6/h2,6H,1,3H2,(H,5,7)

InChI key

CNCOEDDPFOAUMB-UHFFFAOYSA-N

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General description

N-(Hydroxymethyl)acrylamide (NHMA) is a bifunctional monomer with both a reactive vinyl group and a hydroxymethyl group, making it significant in polymer chemistry. It is known for forming hydrophilic, cross-linked networks, with applications in biomedical fields such as drug delivery systems, contact lenses, and tissue engineering, as well as in industrial UV-curable resins. NHMA is commonly used in hydrogel formulations for drug delivery and wound dressings. Additionally, it can be applied in creating bioadhesives or sealants for medical purposes, such as sealing wounds or attaching medical devices to tissues.[1][2][3]

Application

N-(Hydroxymethyl)acrylamide can be used as:
  • A monomer in the development of polymer gel dosimeters specifically designed for radiation therapy applications. The incorporation of NHMA enhances the sensitivity of the dosimeter to radiation doses.
  • A monomer in the development of thermo-responsive polymeric gates, which exhibits thermo-responsive behavior. The incorporation of NHMA enhances the overall properties of the polymer, allowing for better control over the release mechanisms in response to temperature changes.
  • A key monomer in the synthesis of double-hydrophilic and amphiphilic block glycopolymers, contributing to their self-assembly properties, biocompatibility, and functionalization potential. These characteristics make NHMA-based glycopolymers valuable for various biomedical applications, including drug delivery systems, biosensors, and tissue engineering.

Pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Oral - Carc. 1B - Muta. 1B - Repr. 2 - Skin Sens. 1 - STOT RE 1 - STOT RE 2 Oral

Target Organs

Peripheral nervous system

Storage Class Code

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV6687
MKCH6850
MKCH4199
MKCB2394V
MKCB2392V

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J R Bucher et al.
Journal of toxicology and environmental health, 31(3), 161-177 (1990-11-01)
Toxicology and carcinogenicity studies of N-methylolacrylamide were conducted by administering the chemical by gavage in water to both sexes of F344/N rats and B6C3F1 mice 5 times per week for 16 d, 13 wk, or 2 yr. In 16-d studies
Birgit Paulsson et al.
Mutation research, 516(1-2), 101-111 (2002-04-12)
The reactive industrial chemicals acrylamide (AA) and N-methylolacrylamide (MAA) are neurotoxic and carcinogenic in animals, MAA showing a lower potency than AA. The causative agent in AA-induced carcinogenesis is assumed to be the epoxy metabolite, glycidamide (GA), which in contrast
Lars Ole Goffeng et al.
Neurotoxicology and teratology, 30(3), 186-194 (2008-03-21)
The study examines possible persisting effects on the peripheral nervous system and visual system in tunnel workers previously exposed to acrylamide and N-methylolacrylamide during grouting work. We compared neurophysiological function in 44 tunnel workers previously exposed during grouting operations (2-10
H Tanii et al.
Toxicology letters, 58(2), 209-213 (1991-10-01)
Acrylamide and 6 derivatives inhibited neurite growth from rat dorsal root ganglion in culture. The half-maximum inhibition concentration (I50) varied among test compounds, ranging from 0.8 mM for acrylamide and N-hydroxymethylacrylamide to 30 mM for methacrylamide. The value correlated well
Helge Kjuus et al.
Scandinavian journal of work, environment & health, 31(4), 300-306 (2005-09-16)
The aim of this study was to examine chromosome aberrations in 25 tunnel workers exposed to acrylamide-containing grout in injection work. Blood samples were collected from 25 exposed and 25 unexposed tunnel workers matched for age, gender, and smoking habits.
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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

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    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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