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2D Structure
Also known as: 7173-51-5, Didecyl dimethyl ammonium chloride, N-decyl-n,n-dimethyldecan-1-aminium chloride, Ddac, Quaternium 12, Quaternium-12
Molecular Formula
C22H48ClN
Molecular Weight
362.1  g/mol
InChI Key
RUPBZQFQVRMKDG-UHFFFAOYSA-M
FDA UNII
JXN40O9Y9B

1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
didecyl(dimethyl)azanium;chloride
2.1.2 InChI
InChI=1S/C22H48N.ClH/c1-5-7-9-11-13-15-17-19-21-23(3,4)22-20-18-16-14-12-10-8-6-2;/h5-22H2,1-4H3;1H/q+1;/p-1
2.1.3 InChI Key
RUPBZQFQVRMKDG-UHFFFAOYSA-M
2.1.4 Canonical SMILES
CCCCCCCCCC[N+](C)(C)CCCCCCCCCC.[Cl-]
2.2 Other Identifiers
2.2.1 UNII
JXN40O9Y9B
2.3 Synonyms
2.3.1 MeSH Synonyms

1. Bardac 22

2. Deciquam 222

3. Didecyldimethylammonium

4. Didecyldimethylammonium Bromide

2.3.2 Depositor-Supplied Synonyms

1. 7173-51-5

2. Didecyl Dimethyl Ammonium Chloride

3. N-decyl-n,n-dimethyldecan-1-aminium Chloride

4. Ddac

5. Quaternium 12

6. Quaternium-12

7. Arquad 10

8. Bardac 22

9. Didecyl(dimethyl)azanium;chloride

10. Bardac 2250

11. 1-decanaminium, N-decyl-n,n-dimethyl-, Chloride

12. Didecyl Dimethylammonium Chloride

13. N-decyl-n,n-dimethyl-1-decanaminium Chloride

14. Didecyldimonium Chloride

15. Jxn40o9y9b

16. Chebi:79935

17. Astop

18. Didecyl Dimethyl Ammonium Chloride, 80% Aqueous Solution

19. 1-decanaminium, N-decyl-n,n-dimethyl-, Chloride (1:1)

20. Britewood Q

21. Dimethyldidecylammonium Chloride

22. Bio-dac

23. N-decyl-n,n-dimethyldecan-1-aminium (chloride)

24. Odex Q

25. Quartamin D 10e

26. Quartamin D 10p

27. Nissan Cation 2db

28. Timbercote 2000

29. Slaoff 91

30. Aliquat 203

31. Querton 210cl

32. Dodigen 1881

33. Bardac 2270e

34. Calgon H 130

35. Caswell No. 331a

36. Maquat 4480e

37. Acticide

38. Bardac 2280

39. Sporekill

40. Kleengrow

41. H 130 (molluscicide)

42. Arquad 210-50

43. Bio-dac 50-22

44. Britewood Xl

45. Acticide Ddq

46. Catiogen Ddm

47. Tret-o-lite Xc 507

48. Cation Ddc

49. Catiogen Ddm-pg

50. Asepas 3

51. Didecyldimethylammoniumchloride

52. Septapav Khs 70

53. Acticide Ddq 40

54. Microbiocide B 74

55. Btc 99

56. Ddc 80

57. Stenquat 1010

58. Arquad 210

59. Cation Ddc 50

60. Cation Ddc-80

61. Macrotrol Mt 200

62. Microbiocide N 750

63. Btco 1010

64. New Des 50

65. Bardac 2240

66. Kamin Rm 2d50a

67. D 10p

68. K-sanit Bp 80

69. Btc 1010

70. Arquad 210-50e

71. Arquad 210-80e

72. Arquad 210-85e

73. Fentacare 1021-80

74. Ammonium, Didecyldimethyl-, Chloride

75. Einecs 230-525-2

76. Arquad 210-80

77. Nissan Cation 2db500e

78. Nissan Cation 2db800e

79. Unii-jxn40o9y9b

80. Epa Pesticide Chemical Code 069149

81. Dairyland Brand Chg Teat Dip

82. Didecyldimethylammounium Chloride

83. Didecyl(dimethyl)azanium Chloride

84. Hsdb 7611

85. 2db500e

86. Didecyl(dimethyl)ammonium Chloride

87. Btc 2250

88. Aq 210

89. Bardac-22

90. Alfa Bergamon (tn)

91. Calgon H130

92. Querton 2100l

93. Didecyl(dimethyl)ammonium

94. H 130

95. Ec 230-525-2

96. Dsstox_cid_12537

97. Dsstox_rid_78974

98. Dsstox_gsid_32537

99. M 21080

100. N,n-didecyl-n,n-dimethylammonium Chloride

101. Schembl20265

102. Maquat 4450-e

103. Chembl224987

104. Dicapryldimonium Chloride

105. Dtxsid9032537

106. Tox21_300598

107. Didecyldimethylammonium Chlorid

108. Mfcd00066262

109. Akos015901447

110. Cs-w022921

111. Didecyldimonium Chloride [inci]

112. Hy-w042181

113. Didecyldimethyl Ammonium Chloride

114. Ncgc00254240-01

115. Da-17489

116. Cas-7173-51-5

117. N-decyl-n,n-dimethyldecan-1-aminiumchloride

118. Didecyldimethylammonium Chloride [mi]

119. Ft-0629457

120. N-decyl-n,n-dimethyl 1-decanaminium Chloride

121. 1-decanaminium,n-decyl-n,n-dimethyl-,chloride

122. D07822

123. Didecyldimethylammonium Chlorid [who-dd]

124. Didecyldimethylammonium Chloride [mart.]

125. N-decyl-n,n-dimethyldecan-1-ammonium Chloride

126. Didecyl Dimethyl Ammonium Chloride [hsdb]

127. A837307

128. Q418930

129. Didecyldimethylammonium Chloride, Analytical Standard

130. W-104509

131. Didecyldimethylammonium Chloride 100 Microg/ml In Acetonitrile

2.4 Create Date
2005-08-01
3 Chemical and Physical Properties
Molecular Weight 362.1 g/mol
Molecular Formula C22H48ClN
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count18
Exact Mass361.3475282 g/mol
Monoisotopic Mass361.3475282 g/mol
Topological Polar Surface Area0 Ų
Heavy Atom Count24
Formal Charge0
Complexity200
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count2
4 Drug and Medication Information
4.1 Therapeutic Uses

EXPL THER A double blind trial with 2 concentrations of the combination didecyl dimethyl ammonium chloride (Hoe S-2922, Bardac-22) with prednicarbate for the treatment of impetiginized eczema in 30 hospitalized patients is described. The study did not reveal any significant differences in effectiveness, although a trend in favor of the higher concentration was apparent.

Wolbling RH, Schafer V; Arzneim. Forsch.; 37 (2): 218-220 (1987)


5 Pharmacology and Biochemistry
5.1 ATC Code

D - Dermatologicals

D08 - Antiseptics and disinfectants

D08A - Antiseptics and disinfectants

D08AJ - Quaternary ammonium compounds

D08AJ06 - Didecyldimethylammonium chloride


5.2 Absorption, Distribution and Excretion

DDAC (40% aqueous in both radiolabled (14C) and nonradiolabled form), used in a definitive pharmacokinetic study to determine absorption, distribution and excretion and was administered orally (single dose), by gavage, to Charles River CD Rats (Crl CD(SD)Br--5/sex/group) in 3 dose regimens: 1) A single low dose (5 mg/kg), 2) a repeated low dose in diet containing 34 ppm "cold" in the feed daily for 14 days, followed by a 5 mg/kg dose of (14C)]-DDCA (9.01 mCi/mmole, and 99% radiochemical purity) or 3) a single high dose of 50 mg/kg. Excretion of radioactivity was shown to occur primarily in the feces (89-99%), some in urine (<2.5%), and an insignificant amount was expired. Highly ionic DDAC is not readily absorbed from the GI tract...

California Environmental Protection Agency/Department of Pesticide Regulation; Toxicology Data Review Summaries: on Didecyldimethylammoniumchlorid. Available from, as of July 4, 2008: https://www.cdpr.ca.gov/docs/risk/toxsums/toxsumlist.htm


5.3 Metabolism/Metabolites

DDAC (40% aqueous in both radiolabled (14C) and nonradiolabled form), used in a definitive pharmacokinetic study to determine absorption, distribution and excretion and was administered orally (single dose), by gavage, to Charles River CD (Crl CD(SD)Br--5/sex/group) ... . In the addendum the metabolic profile was determined in a 2 step experiment. First, another group of rats (10 male Charles River CD (Crl CD(SD)Br) were treated with (14C)-DDAC at 50 mg/kg in order to obtain enough (14C) residues to use as standards. The (14C) metabolites were characterized by TLC, HPLC and MS. The second part of the experiment involved using the "standard" metabolic profiles to analyze the metabolites from feces samples obtained in the initial study. It was shown that metabolism tends to be sex specific. Females metabolize the parent compound more so than males. Metabolism, which may be microbial in nature, involved the oxidation of the 2 decyl side chains to form hydroxy and hydroxyketo derivatives. Modification of methyl substituents was not evident.

California Environmental Protection Agency/Department of Pesticide Regulation; Toxicology Data Review Summaries. Available from: https://www.cdpr.ca.gov/docs/risk/toxsums/toxsumlist.htm on Didecyldimethylammoniumchloride as of July 4, 2008.