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Substance Name: Stearic acid [JAN:NF]
RN: 57-11-4
UNII: 4ELV7Z65AP
InChIKey: QIQXTHQIDYTFRH-UHFFFAOYSA-N

Classification Codes

  • Mutation Data
  • Pharmaceutic Aid (Emulsion Adjunct)
  • Pharmaceutic Aid (Tablet and/or Capsule Lubricant)
  • Pharmaceutic Aid (Tablet Andor Capsule Lubricant)
  • Skin / Eye Irritant
  • Tumor Data

Molecular Formula

  • C18-H36-O2

Molecular Weight

  • 284.4804
 

Names and Synonyms

Name of Substance

  • n-Octadecanoic acid
  • Stearic acid
  • Stearic acid [JAN:NF]

Synonyms

  • 1-Heptadecanecarboxylic acid
  • 4-02-00-01206 (Beilstein Handbook Reference)
  • Acidum stearinicul
  • AI3-00909
  • BRN 0608585
  • Caswell No. 801D
  • CCRIS 2305
  • Century 1240
  • Cetylacetic acid
  • Dar-chem 14
  • EC 200-313-4
  • EINECS 200-313-4
  • Emersol 120
  • Emersol 132
  • Emersol 150
  • EPA Pesticide Chemical Code 079082
  • FEMA No. 3035
  • Formula 300
  • Glycon DP
  • Glycon S-70
  • Glycon S-80
  • Glycon S-90
  • Glycon TP
  • Groco 54
  • Groco 55
  • Groco 55L
  • Groco 58
  • Groco 59
  • HSDB 2000
  • Humko Industrene R
  • HY-Phi 1199
  • HY-Phi 1205
  • HY-Phi 1303
  • HY-Phi 1401
  • Hydrofol 1895
  • Hydrofol acid 150
  • Hydrofol Acid 150 (VAN)
  • Hydrofol acid 1655
  • Hydrofol acid 1855
  • Hystrene 4516
  • Hystrene 5016
  • Hystrene 7018
  • Hystrene 80
  • Hystrene 9718
  • Hystrene S-97
  • Hystrene T-70
  • Industrene 5016
  • Industrene 8718
  • Industrene 9018
  • Industrene R
  • KAM 1000
  • KAM 2000
  • KAM 3000
  • n-Octadecanoic acid
  • NAA 173
  • Neo-fat 18
  • Neo-fat 18-53
  • Neo-fat 18-54
  • Neo-fat 18-55
  • Neo-fat 18-59
  • Neo-fat 18-61
  • Neo-fat 18-S
  • NSC 25956
  • Octadecanoic acid
  • Octadecansaeure
  • PD 185
  • Pearl stearic
  • Stearex beads
  • Stearic acid
  • Stearinsaeure
  • Stearophanic acid
  • Tegostearic 254
  • Tegostearic 255
  • Tegostearic 272
  • UNII-4ELV7Z65AP
  • Vanicol

Systematic Names

  • Octadecanoic acid
  • Stearic acid
  • Stearic acid, pure

Superlist Name

  • Stearic acid

Registry Numbers

CAS Registry Number

  • 57-11-4

FDA UNII

  • 4ELV7Z65AP

Other Registry Numbers

  • 1245726-94-6
  • 134503-33-6
  • 197923-10-7
  • 294203-07-9
  • 294203-15-9
  • 39390-61-9
  • 58392-66-8
  • 8013-28-3
  • 8023-06-1
  • 8037-40-9
  • 8037-83-0
  • 8039-51-8
  • 8039-52-9
  • 8039-53-0
  • 8039-54-1
  • 82497-27-6

System Generated Number

  • 0000057114

Structure Descriptors

InChI

1S/C18H36O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h2-17H2,1H3,(H,19,20)

InChIKey

QIQXTHQIDYTFRH-UHFFFAOYSA-N

Smiles

C(CCCCCCCCCCC)CCCCCC(=O)O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intravenous 23mg/kg (23mg/kg) LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Acta Pharmacologica et Toxicologica. Vol. 18, Pg. 141, 1961.
rabbit LD50 skin > 5gm/kg (5000mg/kg)   Food and Cosmetics Toxicology. Vol. 17, Pg. 383, 1979.
rat LD50 intravenous 21500ug/kg (21.5mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES
Acta Pharmacologica et Toxicologica. Vol. 18, Pg. 141, 1961.
rat LDLo oral 4640mg/kg (4640mg/kg)   Journal of the American College of Toxicology. Vol. 6(3), Pg. 321, 1987.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 68.8 deg C   EXP
Boiling Point 383 deg C   EXP
log P (octanol-water) 8.23 (none)   EXP
Water Solubility 0.597 mg/L 25 EXP
Henry's Law Constant 4.76E-07 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.25E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.