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Chemistry

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Also known as: 79-06-1, 2-propenamide, Prop-2-enamide, Propenamide, Acrylic amide, Ethylenecarboxamide
Molecular Formula
C3H5NO
Molecular Weight
71.08  g/mol
InChI Key
HRPVXLWXLXDGHG-UHFFFAOYSA-N
FDA UNII
20R035KLCI

Acrylamide
A colorless, odorless, highly water soluble vinyl monomer formed from the hydration of acrylonitrile. It is primarily used in research laboratories for electrophoresis, chromatography, and electron microscopy and in the sewage and wastewater treatment industries.
1 2D Structure

Acrylamide

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
prop-2-enamide
2.1.2 InChI
InChI=1S/C3H5NO/c1-2-3(4)5/h2H,1H2,(H2,4,5)
2.1.3 InChI Key
HRPVXLWXLXDGHG-UHFFFAOYSA-N
2.1.4 Canonical SMILES
C=CC(=O)N
2.2 Other Identifiers
2.2.1 UNII
20R035KLCI
2.3 Synonyms
2.3.1 Depositor-Supplied Synonyms

1. 79-06-1

2. 2-propenamide

3. Prop-2-enamide

4. Propenamide

5. Acrylic Amide

6. Ethylenecarboxamide

7. Acrylic Acid Amide

8. Vinyl Amide

9. Akrylamid

10. Polyacrylamide

11. 2-propeneamide

12. Propeneamide

13. Acrylagel

14. Optimum

15. Poly(acrylamide)

16. Amresco Acryl-40

17. Propenoic Acid Amide

18. 9003-05-8

19. Akrylamid [czech]

20. Ethylene Carboxamide

21. Rcra Waste Number U007

22. Amid Kyseliny Akrylove

23. Acrylamide Polymer

24. Acrylamide Monomer

25. Acrylamide Solution

26. Amide Propenoic Acid

27. Polystolon

28. Polystoron

29. Porisutoron

30. Amid Kyseliny Akrylove [czech]

31. Acryl Amide

32. Flokonit E

33. Aminogen Pa

34. Acrylamide Monome

35. Flygtol Gb

36. Stipix Ad

37. Nsc 7785

38. Superfloc 84

39. Cytame 5

40. Polyhall 27

41. Sursolan P 5

42. Polyacrylamide Resin

43. Solvitose 433

44. Sumitex A 1

45. Superfloc 900

46. Cyanamer P 35

47. Gelamide 250

48. Nacolyte 673

49. Polyhall 402

50. Versicol W 11

51. Magnafloc R 292

52. Sumirez A 17

53. Sumirez A 27

54. Aerofloc 3453

55. Cyanamer P 250

56. Praestol 2800

57. Himoloc Ss 200

58. Sanpoly A 520

59. Chebi:28619

60. Stokopol D 2624

61. Bio-gel P 2

62. Reten 420

63. American Cyanamid Kpam

64. Biogel P-100

65. K-pam

66. Acrylamide Solution (50% Or Less)

67. American Cyanamid P-250

68. Dow Et 597

69. Taloflote

70. Pamid

71. 20r035klci

72. Acrylamide, Electrophoresis Grade

73. Nsc7785

74. Acrylamide Polymers

75. Acrylamide [un2074] [poison]

76. Acrylamide, Polymer

77. Nsc-7785

78. Pam (polymer)

79. Acrylamide, Polymers

80. Mfcd00008032

81. Acrylamide Homopolymer

82. Aam

83. Himoloc Ok 507

84. Percol 720

85. Paa 1 (homopolymer)

86. J 100 (polymer)

87. P 250 (polymer)

88. Dsstox_cid_27

89. K 4 (acrylic Polymer)

90. Paark 123sh

91. 2-propenamide, Homopolymer

92. Dsstox_rid_75328

93. Paa-1

94. Dow J 100

95. Dsstox_gsid_20027

96. Paa 70l

97. Pam-50

98. Q 41f

99. Tryptone

100. Ap 273

101. Et 597

102. Ccris 7

103. Acrylamide 1000 Microg/ml In Methanol

104. Cas-79-06-1

105. Hsdb 191

106. J 100

107. P 250

108. P 300

109. Propenoic Acid, Amide

110. Einecs 201-173-7

111. Un2074

112. Rcra Waste No. U007

113. Acrylarnide

114. Brn 0605349

115. Unii-20r035klci

116. Poly(acrylamide) Macromolecule

117. Ai3-04119

118. Amide Propenoate

119. Acryloic Acid Amide

120. 1hc

121. Acrylamide, 97%

122. Bio Gel P2

123. Polyacrylamide Solution

124. Acylamide-

125. Bio Gel P-2

126. Bio-gel P-2

127. Acrylamide (ultrapure)

128. Acrylamide [mi]

129. Ch2chconh2

130. Acrylamide [hsdb]

131. Acrylamide [iarc]

132. Acrylamide [inci]

133. Acrylamide, 53% Aqueous

134. Bmse000392

135. Acrylamide Solution, 40%

136. Acrylamide, >=98.0%

137. Acrylamide, >=99.9%

138. Ec 201-173-7

139. Acrylamide [mart.]

140. Wln: Zv1u1

141. Acrylamide-1,2,3-13c3

142. Acrylamide_ramanathangurudeeban

143. Bidd:er0629

144. Acrylamide, Analytical Standard

145. Chembl348107

146. Gtpl4553

147. Dtxsid5020027

148. Acrylamide, For Synthesis, 99%

149. Zinc901075

150. Bcp25183

151. Tox21_201526

152. Tox21_300145

153. Bdbm50226193

154. Nsc116573

155. Nsc116574

156. Nsc116575

157. Nsc118185

158. Stl282727

159. Acrylamide 100 Microg/ml In Methanol

160. Akos000120965

161. Acrylamide, Purum, >=98.0% (gc)

162. Nsc-116573

163. Nsc-116574

164. Nsc-116575

165. Nsc-118185

166. Un 2074

167. Acrylamide Monomer (ca. 50% In Water)

168. Acrylamide Monomer [for Electrophoresis]

169. Ncgc00090736-01

170. Ncgc00090736-02

171. Ncgc00090736-03

172. Ncgc00090736-04

173. Ncgc00090736-05

174. Ncgc00253932-01

175. Ncgc00259076-01

176. Acrylamide Monomer, [for Electrophoresis]

177. Acrylamide, Saj First Grade, >=98.0%

178. Db-124507

179. A0139

180. Acrylamide, Ultrapure, Electrophoresis Grade

181. Ft-0661414

182. Ft-0688081

183. Acrylamide, 30% Solution, Bisacrylamide Free

184. Acrylamide, 40% Solution, Bisacrylamide Free

185. C01659

186. Acrylamide, Suitable For Electrophoresis, >=99%

187. A839565

188. Acrylamide, For Electrophoresis, >=99.0% (gc)

189. Q342939

190. Acrylamide, For Molecular Biology, >=99% (hplc)

191. J-200356

192. J-510287

193. Acrylamide Solution, 40% In H2o, For Molecular Biology

194. Acrylamide, Certified Reference Material, Tracecert(r)

195. Acrylamide, For Electrophoresis, >=99% (hplc), Powder

196. Bc269f2e-d242-48e1-87e4-e51db86ff0a8

197. F8880-6341

198. Acrylamide Solution, 40%, For Electrophoresis, Sterile-filtered

199. Acrylamide, For Northern And Southern Blotting, Powder Blend

200. Acrylamide, Vetec(tm) Reagent Grade, Suitable For Electrophoresis

2.4 Create Date
2004-09-16
3 Chemical and Physical Properties
Molecular Weight 71.08 g/mol
Molecular Formula C3H5NO
XLogP3-0.7
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count1
Rotatable Bond Count1
Exact Mass71.037113783 g/mol
Monoisotopic Mass71.037113783 g/mol
Topological Polar Surface Area43.1 Ų
Heavy Atom Count5
Formal Charge0
Complexity57.9
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1
4 Pharmacology and Biochemistry
4.1 Absorption, Distribution and Excretion

Acrylamide is well absorbed after oral, dermal, inhalational, and parenteral exposure, including through intact skin and mucous membranes. Efficient absorption of this compound is demonstrated by the observation that peak blood concentrations occur at approximately 1 hour after exposure. It is estimated that human elimination rates of acrylamide are only one-fifth that seen in rats.

Dart, R.C. (ed). Medical Toxicology. Third Edition, Lippincott Williams & Wilkins. Philadelphia, PA. 2004., p. 1363


Acrylamide is primarily (90 to 95%) excreted in the urine as conjugated metabolite with less then 2% parent compound appearing in the urine. Smaller amounts of metabolites are also present in feces, bile, and other biological matrices, still with only small amounts being eliminated as unchanged parent. Acrylamide elimination is biphasic with an alpha half-life of less than 5 hours and a beta half-life of 6 to 8 days.

Dart, R.C. (ed). Medical Toxicology. Third Edition, Lippincott Williams & Wilkins. Philadelphia, PA. 2004., p. 1364


In rats given 0.5-100 mg/kg bw of either (1-14(C))- or (2,3-14(C))acrylamide intravenously or orally, radioactivity was distributed rapidly throughout the body, with no selective accumulation in any tissue. Radioactivity was also distributed evenly among tissues of beagle dogs and miniature pigs

IARC. Monographs on the Evaluation of the Carcinogenic Risk of Chemicals to Humans. Geneva: World Health Organization, International Agency for Research on Cancer, 1972-PRESENT. (Multivolume work). Available at: https://monographs.iarc.fr/ENG/Classification/index.php, p. V60 403 (1994)


... Can be absorbed through ... mucous membranes and lungs as well as the GI tract.

Grant, W.M. Toxicology of the Eye. 3rd ed. Springfield, IL: Charles C. Thomas Publisher, 1986., p. 50


For more Absorption, Distribution and Excretion (Complete) data for ACRYLAMIDE (14 total), please visit the HSDB record page.


MICROSPHERES OF (14)C-LABELED POLYACRYLAMIDE WERE MAINLY (APPROX 80%) FOUND IN LIVER & SPLEEN BOTH AFTER IV & IP INJECTION IN MOUSE & RAT, ALSO DETECTED EARLY (1 HR AFTER IV INJECTION) IN BONE MARROW, & PARTICLE AGGREGATES WERE ALSO INITIALLY FOUND IN LUNGS.

SJOEHOLM I, EDMAN P; J PHARMACOL EXP THER 211(3) 656 (1979)


4.2 Metabolism/Metabolites

Acrylamide is primarily (90 to 95%) excreted in the urine as conjugated metabolite with less then 2% parent compound appearing in the urine. Smaller amounts of metabolites are also present in feces, bile, and other biological matrices, still with only small amounts being eliminated as unchanged parent. Acrylamide elimination is biphasic with an alpha half-life of less than 5 hours and a beta half-life of 6 to 8 days.

Dart, R.C. (ed). Medical Toxicology. Third Edition, Lippincott Williams & Wilkins. Philadelphia, PA. 2004., p. 1364


Urinary metabolites among acrylamide-exposed animals were identified as N-acetyl-S- (3-amino-3-oxopropyl) cysteine (the N-acetyl-cysteine conjugate of acrylamide, following glutathione conjugation accounting for 67% of the total urinary metabolites found in rats, 41% of the total found in mice), N-acetyl-S- (3-amino-2-hydroxy-3-oxopropyl) cysteine (16% in rats, 21% in mice), N-acetyl-S- (1-carbamoyl-2-hydroxyethyl) cysteine (9% in rats, 12% in mice), glycidamide (6% in rats, 17% in mice), 2,3-dihydroxy-propionamide (2% in rats, 5% in mice), and a small amount of the parent compound (which was not possible to quantify).

European Chemicals Agency (ECHA); Registered Substances, Acrylamide (CAS Number: 79-06-1) (EC Number: 201-173-7) (Last updated: May 25, 2016). Available from, as of August 25, 2016: https://echa.europa.eu/


... In the present study, a low-dose of acrylamide (ACR; 18 mg/kg) was administered to male Wistar rats for 40 days. Ultra performance liquid chromatography/time of flight mass spectrometry (UPLC-Q-TOF MS) was used to examine urine samples from ACR-dosed and control animals. Multiple statistical analyses with principal component analysis (PCA) were used to investigate metabolite profile changes in urine samples, and to screen for potential neurotoxicity biomarkers. PCA showed differences between the ACR-dosed and control groups 20 days after the start of dosing; a bigger separation between the two groups was seen after dosing for 40 days. Levels of 4-guanidinobutanoic acid and 2-oxoarginine were significantly higher in urine from the ACR-dosed group than in urine from the control group after 10 days (p<0.05). Receiver operator characteristic (ROC) curve analysis suggested that 4-guanidinobutanoic acid and 2-oxoarginine were the major metabolites. Our results suggest that high levels of 4-guanidinobutanoic acid and 2-oxoarginine may be related to ACR neurotoxicity. These metabolites could, therefore, act as sensitive biomarkers for ACR exposure and be useful for investigating toxic mechanisms. They may also provide a scientific foundation for assessing the effects of chronic low-dose ACR exposure on human health.

PMID:25687561 Wang SY et al; Mol Biosyst 11 (4): 1146-55 (2015)


To study the toxic effect of chronic exposure to acrylamide (AA) at low-dose levels, we applied a metabolomics approach based on ultra-performance liquid chromatography/mass spectrometry (UPLC-MS). A total of 40 male Wistar rats were randomly assigned to different groups: control, low-dose AA (0.2 mg/kg bw), middle-dose AA (1 mg/kg bw) and high-dose AA (5 mg/kg bw). The rats continuously received AA via drinking water for 16 weeks. Rat urine samples were collected at different time points for measurement of metabolomic profiles. Thirteen metabolites, including the biomarkers of AA exposure (AAMA, GAMA and iso-GAMA), were identified from the metabolomic profiles of rat urine. Compared with the control group, the treated groups showed significantly increased intensities of GAMA, AAMA, iso-GAMA, vinylacetylglycine, 1-salicylate glucuronide, PE (20:1(11Z)/14:0), cysteic acid, L-cysteine, p-cresol sulfate and 7-ketodeoxycholic acid, as well as decreased intensities of 3-acetamidobutanal, 2-indolecarboxylic acid and kynurenic acid in rat urine. Notably, three new candidate biomarkers (p-cresol sulfate, 7-ketodeoxycholic acid and 1-salicylate glucuronide) in rat urine exposed to AA have been found in this study. The results indicate exposure to AA disrupts the metabolism of lipids and amino acids, induces oxidative stress.

PMID:27347750 Shi H et al; Xenobiotica 1-11 (2016) (Epub ahead of print)


For more Metabolism/Metabolites (Complete) data for ACRYLAMIDE (8 total), please visit the HSDB record page.


4.3 Biological Half-Life

Plasma (animal studies): 2 days; whole body (animal studies): 6-18 days; [TDR, p. 40]

TDR - Ryan RP, Terry CE, Leffingwell SS (eds). Toxicology Desk Reference: The Toxic Exposure and Medical Monitoring Index, 5th Ed. Washington DC: Taylor & Francis, 1999., p. 40


Acrylamide elimination is biphasic with an alpha half-life of less than 5 hours and a beta half-life of 6 to 8 days.

Dart, R.C. (ed). Medical Toxicology. Third Edition, Lippincott Williams & Wilkins. Philadelphia, PA. 2004., p. 1364


The distribution and metabolism of 2,3-(14)C-labeled acrylamide were studied in male rats. Three dose levels of acrylamide (1.0, 10, or 100 mg/kg) were administered orally. ... Elimination of the radiolabel from most tissues was biphasic with a terminal half-life of approx 8 days. The amount of (14)C in blood remained constant at 12% of the dose for about 7 days. However, (14)C in plasma was eliminated readily. The concn-time curve of parent acrylamide in tissues and blood fit a monoexponential curve with a half-life of approx 2 hr.

Miller MJ et al; Toxicol Appl Pharmacol 63 (1): 36-44 (1982)


Elimination from the tissues occurs in two phases: in the first phase its half-life is 5 hr, and in the second (delayed) phase, 8 days or less.

Rom, W.N. (ed.). Environmental and Occupational Medicine. 2nd ed. Boston, MA: Little, Brown and Company, 1992., p. 947


The excretion half-life of parent acrylamide in rat urine was 7.8 hr. Using [1-14C]-acrylamide, ... /it was reported/ that approx 6% of the dose was exhaled as /carbon dioxide/. In an extensive study of the kinetics of both orally and iv admin [2,3-14C]-acrylamide, it was shown that the rate of elimination of the radiolabel in urine was independent of the route of admin. Within 24 hr, about 2/3 of the dose was excreted in the urine and 3/4 in 7 days. Fecal excretion was small (4.8% in 24 hr and 6% by 7 days). Since 15% of the dose appeared in the bile within 6 hr, acrylamide or its derivatives must undergo enterohepatic circulation. Thus, approx 80% of the radiolabel was excreted within 7 days and, of this, a very large proportion (90%) was in the form of metabolites.

WHO; Environ Health Criteria 49: Acrylamide p.41 (1985)


MICROSPHERES OF (14)C-LABELED POLYACRYLAMIDE WERE USED TO FOLLOW DISTRIBUTION & FATE IN MOUSE & RAT AFTER IV & IP INJECTION. PARTICLES WERE RAPIDLY CLEARED FROM CIRCULATION (T/2 IN RAT APPROX 40 MIN) BY MACROPHAGES OF RETICULOENDOTHELIAL SYSTEM.

SJOEHOLM I, EDMAN P; J PHARMACOL EXP THER 211(3) 656 (1979)


4.4 Mechanism of Action

... In this study, we first investigated the effects of acrylamide (ACR) on slow axonal transport of neurofilaments in cultured rat dorsal root ganglia (DRG) neurons through live-cell imaging approach. Then for the underlying mechanisms exploration, the protein level of neurofilament subunits, motor proteins kinesin and dynein, and dynamitin subunit of dynactin in DRG neurons were assessed by western blotting and the concentrations of ATP was detected using the ATP Assay Kit. The results showed that ACR treatment results in a dose-dependent decrease of slow axonal transport of neurofilaments. Furthermore, ACR intoxication significantly increases the protein levels of the three neurofilament subunits (NF-L, NF-M, NF-H), kinesin, dynein, and dynamitin subunit of dynactin in DRG neurons. In addition, ATP level decreased significantly in ACR-treated DRG neurons. Our findings indicate that ACR exposure retards slow axonal transport of NF-M, and suggest that the increase of neurofilament cargoes, motor proteins, dynamitin of dynactin, and the inadequate ATP supply contribute to the ACR-induced retardation of slow axonal transport.

PMID:26721510 An L et al; Neurochem Res 41 (5): 1000-9 (2016)


Acrylamide produces a central-peripheral distal axonopathy when administered chronically. This is characterized functionally by decreases in the monosynaptic reflex and dorsal root potential and alterations in the characteristics of the dorsal root reflex. Acute administration of acrylamide inhibits the oxidative enzyme complex nicotinamide adenine dinucleotide (reduced form)-tetrazolium reductase and slows retrograde axoplasmic transport. This study was carried out to determine if the spinal cord reflexes are also affected following acute administration of acrylamide. Dose response studies revealed a dose-dependent increase in both the monosynaptic reflex and dorsal root reflex. A single injection of 50 mg/kg acrylamide caused an increase in both the monosynaptic reflex and dorsal root reflex within 15 min and continued for over 3 hr. These data are paradoxical since chronic administration of acrylamide results in decreased function. Two possible mechanisms are proposed. First, calcium ion regulation may be involved in both the acute and chronic effects of acrylamide on spinal cord reflexes. Second, a depolarization of the neurons is occurring just prior to cell injury or death.

PMID:3715927 Goldstein BD, Fincher DR; Toxicol Lett 31 (2): 93-100 (1986)


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